Class PdfViewerBase

Represents the methods of PDF Viewer component.

Inheritance
System.Object
BaseComponent
PdfViewerBase
SfPdfViewer
Inherited Members
Namespace: Syncfusion.Blazor.PdfViewer
Assembly: Syncfusion.Blazor.dll
Syntax
public class PdfViewerBase : BaseComponent, IBaseInit

Constructors

PdfViewerBase()

Declaration
public PdfViewerBase()

Properties

AjaxRequestSettings

Customize the AJAX request header.

Declaration
public PdfViewerAjaxRequestSettings AjaxRequestSettings { get; set; }
Property Value
Type Description
PdfViewerAjaxRequestSettings
Remarks

AjaxRequestSettings is applicable for Web assembly blazor alone.

AnnotationSettings

Defines the annotation settings for PDF Viewer. It used to customize the author, max/min width and height of the annotations.

Declaration
public PdfViewerAnnotationSettings AnnotationSettings { get; set; }
Property Value
Type Description
PdfViewerAnnotationSettings

AreaSettings

Defines the settings of area annotation. It used to customize the area annotation properties.

Declaration
public PdfViewerAreaSettings AreaSettings { get; set; }
Property Value
Type Description
PdfViewerAreaSettings

ArrowSettings

Defines the settings of arrow annotation. It used to customize the arrow annotation properties.

Declaration
public PdfViewerArrowSettings ArrowSettings { get; set; }
Property Value
Type Description
PdfViewerArrowSettings

ChildContent

ChildContent used to define child elements for the root component.

Declaration
public RenderFragment ChildContent { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.RenderFragment

CircleSettings

Defines the settings of circle annotation. It used to customize circle annotation properties.

Declaration
public PdfViewerCircleSettings CircleSettings { get; set; }
Property Value
Type Description
PdfViewerCircleSettings

ContextMenuSettings

Defines the settings of context menu for the PDF Viewer. It used to customize the context menu options to visibles in the PDF Viewer.

Declaration
public PdfViewerContextMenuSettings ContextMenuSettings { get; set; }
Property Value
Type Description
PdfViewerContextMenuSettings

CssClass

Defines single or multiple classes (separated by space) to be used for customization styles of viewer.

Declaration
public string CssClass { get; set; }
Property Value
Type Description
System.String

CurrentPageNumber

Gets or sets the current page number of the PDF Viewer.

Declaration
public int CurrentPageNumber { get; set; }
Property Value
Type Description
System.Int32

CurrentPageNumberChanged

Gets the event callback for CurrentPageNumber.

Declaration
public EventCallback<int> CurrentPageNumberChanged { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<System.Int32>

CurrentPageNumberExpression

Gets the expression for CurrentPageNumber.

Declaration
public Expression<Func<int>> CurrentPageNumberExpression { get; set; }
Property Value
Type Description
System.Linq.Expressions.Expression<System.Func<System.Int32>>

CustomStampSettings

Defines the settings of customStamp annotation. It use to customize the custom annoation support for the PDF Viewer.

Declaration
public PdfViewerCustomStampSettings CustomStampSettings { get; set; }
Property Value
Type Description
PdfViewerCustomStampSettings

DistanceSettings

Defines the settings of distance annotation. It used to customize distance annotation properties.

Declaration
public PdfViewerDistanceSettings DistanceSettings { get; set; }
Property Value
Type Description
PdfViewerDistanceSettings

DocumentPath

Sets the PDF document path for initial loading.

Declaration
public string DocumentPath { get; set; }
Property Value
Type Description
System.String

DownloadFileName

Sets the name of the file to be downloaded.

Declaration
public string DownloadFileName { get; set; }
Property Value
Type Description
System.String

EnableAnnotation

If it is set as false, then the annotation support in the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableAnnotation { get; set; }
Property Value
Type Description
System.Boolean

EnableAnnotationToolbar

If it is set as false, then the edit annotation option in the toolbar will be disabled. By default it is true.

Declaration
public bool EnableAnnotationToolbar { get; set; }
Property Value
Type Description
System.Boolean

EnableAutoComplete

If it is set as false, auto complete behavior of form fields will be disabled. Be default it is true.

Declaration
public bool EnableAutoComplete { get; set; }
Property Value
Type Description
System.Boolean

EnableBookmarkPanel

If it is set as false, the bookmark panel on the left side of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableBookmarkPanel { get; set; }
Property Value
Type Description
System.Boolean

EnableCommentPanel

If it is set as false, then text selection in the PDF Viewer will be disabled, By default it is true.

Declaration
public bool EnableCommentPanel { get; set; }
Property Value
Type Description
System.Boolean

EnableDesktopMode

Gets or sets a boolean value to show or hide desktop toolbar in mobile devices. FALSE by default.

Declaration
public bool EnableDesktopMode { get; set; }
Property Value
Type Description
System.Boolean

EnableDownload

If it is set as false, then the download option in the toolbar of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableDownload { get; set; }
Property Value
Type Description
System.Boolean

EnableErrorDialog

If it is set as false, then error dialogue display in PDF Viewer will be disabled, By default it is true.

Declaration
public bool EnableErrorDialog { get; set; }
Property Value
Type Description
System.Boolean

EnableFormFields

If it is set as false, form fields in the PDF document can't be interacted or edited. By default it is true.

Declaration
public bool EnableFormFields { get; set; }
Property Value
Type Description
System.Boolean

EnableFormFieldsValidation

If it is set as true, validate form fields will be triggered. By default it is false.

Declaration
public bool EnableFormFieldsValidation { get; set; }
Property Value
Type Description
System.Boolean

EnableFreeText

If it is set as false, then the free text annotation tool in the annotation toolbar of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableFreeText { get; set; }
Property Value
Type Description
System.Boolean

EnableHandwrittenSignature

if it is set as false, then the handwritten signature tool in the annotation toolbar of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableHandwrittenSignature { get; set; }
Property Value
Type Description
System.Boolean

If it is set as false, then hyperlink in the PDF Viewer will be disabled, By default it is true.

Declaration
public bool EnableHyperlink { get; set; }
Property Value
Type Description
System.Boolean

EnableImportAnnotationMeasurement

Enable or disables the customization of measure values in PdfViewer.

Declaration
public bool EnableImportAnnotationMeasurement { get; set; }
Property Value
Type Description
System.Boolean

EnableInkAnnotation

If it is set as false, then the ink annotation support in the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableInkAnnotation { get; set; }
Property Value
Type Description
System.Boolean

EnableMagnification

If it is set as false, then all the zoom operations in the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableMagnification { get; set; }
Property Value
Type Description
System.Boolean

EnableMeasureAnnotation

If it is set as false, then the measurement annotation tool in the annotation toolbar of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableMeasureAnnotation { get; set; }
Property Value
Type Description
System.Boolean

EnableNavigation

If it is set as false, then page navigation of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableNavigation { get; set; }
Property Value
Type Description
System.Boolean

EnableNavigationToolbar

If it is set as false, then left side toolbar(bookmark, thumbnail navigation toolbar) will not be visible. By default it is true and visible.

Declaration
public bool EnableNavigationToolbar { get; set; }
Property Value
Type Description
System.Boolean

EnablePinchZoom

If it is set as false, then pinch zoom of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnablePinchZoom { get; set; }
Property Value
Type Description
System.Boolean

EnablePrint

If it is set as false, then the print option in the toolbar of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnablePrint { get; set; }
Property Value
Type Description
System.Boolean

EnablePrintRotation

If it is set as FALSE, will suppress the page rotation of Landscape document on print action. By default it is TRUE.

Declaration
public bool EnablePrintRotation { get; set; }
Property Value
Type Description
System.Boolean

EnableRtl

If it is set as true, then PDF Viewer will render in right to left direction. By default it will render in left to right direction.

Declaration
public bool EnableRtl { get; set; }
Property Value
Type Description
System.Boolean

EnableShapeAnnotation

If it is set as false, then the shape annotation tool in the annotation toolbar of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableShapeAnnotation { get; set; }
Property Value
Type Description
System.Boolean

EnableShapeLabel

If it is set as true, label for shape and measure annotations can be added. It used to display the text content about the shape or measure annotation.

Declaration
public bool EnableShapeLabel { get; set; }
Property Value
Type Description
System.Boolean

EnableStampAnnotations

If it is set as false, then the stamp annotation tool in the annotation toolbar of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableStampAnnotations { get; set; }
Property Value
Type Description
System.Boolean

EnableStickyNotesAnnotation

If it is set as false, then the sticky notes annotation tool in the toolbar of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableStickyNotesAnnotation { get; set; }
Property Value
Type Description
System.Boolean

EnableTextMarkupAnnotation

If it is set as false, then the textmarkup tools (highlight, strikethrough, and underline) are disabled in annotation toolbar. By default it is true.

Declaration
public bool EnableTextMarkupAnnotation { get; set; }
Property Value
Type Description
System.Boolean

EnableTextSearch

If it is set as false, then text search support in the PDF Viewer will be disabled, By default it is true.

Declaration
public bool EnableTextSearch { get; set; }
Property Value
Type Description
System.Boolean

EnableTextSelection

If it is set as false, then text selection in the PDF Viewer will be disabled, By default it is true.

Declaration
public bool EnableTextSelection { get; set; }
Property Value
Type Description
System.Boolean

EnableThumbnailPanel

If it is set as false, the thumbnail panel on the left side of the PDF Viewer will be disabled. By default it is true.

Declaration
public bool EnableThumbnailPanel { get; set; }
Property Value
Type Description
System.Boolean

EnableToolbar

If it is set as false, then toolbar of the PDF Viewer will not be visible. By default it is true and visible.

Declaration
public bool EnableToolbar { get; set; }
Property Value
Type Description
System.Boolean

EnableZoomOptimization

If it is set as false, then page image will be fetched for each zoom percentage values. Otherwise, page image will be fetched only when the zoom percentages are 100 %,200 %,300 %, and 400 %. By default it is true.

Declaration
public bool EnableZoomOptimization { get; set; }
Property Value
Type Description
System.Boolean

ExportAnnotationFileName

Gets or sets the file name of annotations to be exported.

Declaration
public string ExportAnnotationFileName { get; set; }
Property Value
Type Description
System.String

FreeTextSettings

Defines the settings of free text annotation. It used to customize the free text annotation properties.

Declaration
public PdfViewerFreeTextSettings FreeTextSettings { get; set; }
Property Value
Type Description
PdfViewerFreeTextSettings

HandwrittenSignatureSettings

Defines the settings of handwritten signature annotation. It used to customize the handwritten signature annotation properties.

Declaration
public PdfViewerHandwrittenSignatureSettings HandwrittenSignatureSettings { get; set; }
Property Value
Type Description
PdfViewerHandwrittenSignatureSettings

Height

Gets or sets the scrollable height of the PDF Viewer.

Declaration
public string Height { get; set; }
Property Value
Type Description
System.String

HighlightSettings

Defines the settings of highlight annotation. It used to customize the highlight annotation properties.

Declaration
public PdfViewerHighlightSettings HighlightSettings { get; set; }
Property Value
Type Description
PdfViewerHighlightSettings

HyperlinkOpenState

Indicates whether the URL is opened in current tab, new tab, new window . By default it is current tab.

Declaration
public LinkTarget HyperlinkOpenState { get; set; }
Property Value
Type Description
LinkTarget

ID

Gets or sets the ID for the PDF Viewer parent DOM elemet div.

Declaration
public override string ID { get; set; }
Property Value
Type Description
System.String
Overrides
Syncfusion.Blazor.BaseComponent.ID

InkAnnotationSettings

Defines the ink annotation settings for PDF Viewer.It used to customize the strokeColor, thickness, opacity of the ink annotation.

Declaration
public PdfViewerInkAnnotationSettings InkAnnotationSettings { get; set; }
Property Value
Type Description
PdfViewerInkAnnotationSettings

InteractionMode

Indicates whether the interaction is in selection(select tool) or pan mode. By default it it selection.

Declaration
public InteractionMode InteractionMode { get; set; }
Property Value
Type Description
InteractionMode

IsAnnotationToolbarVisible

Gets the boolean value to identify whether the annotation Toolbar is visible or not. FALSE by default.

Declaration
public bool IsAnnotationToolbarVisible { get; }
Property Value
Type Description
System.Boolean

IsCommentPanelOpen

Indicates whether the comment panel is in expanded or collapsed state. If it set as true, then the thumbnail panel will be expanded or open state. By default it is false.

Declaration
public bool IsCommentPanelOpen { get; set; }
Property Value
Type Description
System.Boolean

IsDocumentEdited

Gets the value to check whether the document has been edited or not. By default it is false. If the document edited, it returns true.

Declaration
public bool IsDocumentEdited { get; set; }
Property Value
Type Description
System.Boolean

IsExtractText

If it is set as true, the PDF Viewer will extract the text from the document asynchronously after the initial loading. Once the extraction process completed then ExtractTextCompleted event will be triggered. The extracted text can be accessed from event args of the ExtractTextCompleted event. By default it is false and text won't be extracted.

Declaration
public bool IsExtractText { get; set; }
Property Value
Type Description
System.Boolean

IsFormFieldDocument

Gets the value to check whether the loaded document have the form fields or not. By default it is false. If the document contains any form field it returns true.

Declaration
public bool IsFormFieldDocument { get; set; }
Property Value
Type Description
System.Boolean

IsSignatureEditable

If it is set as true, the signature included in the PDF Viewer will saved as ink annotation on download action in the PDF Viewer. Otherwise the signature will be flattened on downloading or saving. By default it is false.

Declaration
public bool IsSignatureEditable { get; set; }
Property Value
Type Description
System.Boolean

IsThumbnailPanelOpen

Indicates whether the thumbnail panel is in expanded or collapsed state. If it set as true, then the thumbnail panel will be expanded or open state . By default it is false.

Declaration
public bool IsThumbnailPanelOpen { get; set; }
Property Value
Type Description
System.Boolean

jsProperty

Declaration
protected override string jsProperty { get; set; }
Property Value
Type Description
System.String
Overrides

LineSettings

Defines the settings of line annotation. It used to customize the line annotation properties.

Declaration
public PdfViewerLineSettings LineSettings { get; set; }
Property Value
Type Description
PdfViewerLineSettings

Locale

Overrides the global culture and localization value for this component. Default global culture is 'en-US'.

Declaration
public string Locale { get; set; }
Property Value
Type Description
System.String

MeasurementSettings

Defines the settings of measurement annotation. It used to customize the measurement annotation properties.

Declaration
public PdfViewerMeasurementSettings MeasurementSettings { get; set; }
Property Value
Type Description
PdfViewerMeasurementSettings

nameSpace

Declaration
protected override string nameSpace { get; set; }
Property Value
Type Description
System.String
Overrides

PageCount

Gets the total page count of the loaded PDF document.

Declaration
public int PageCount { get; set; }
Property Value
Type Description
System.Int32

PageCountChanged

Gets the event callback for PageCount.

Declaration
public EventCallback<int> PageCountChanged { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<System.Int32>

PageCountExpression

Gets the expression for PageCount.

Declaration
public Expression<Func<int>> PageCountExpression { get; set; }
Property Value
Type Description
System.Linq.Expressions.Expression<System.Func<System.Int32>>

PerimeterSettings

Defines the settings of perimeter annotation. It used to customize the perimeter annotation properties.

Declaration
public PdfViewerPerimeterSettings PerimeterSettings { get; set; }
Property Value
Type Description
PdfViewerPerimeterSettings

PolygonSettings

Defines the settings of polygon annotation. It used to customize the polygon annotation properties.

Declaration
public PdfViewerPolygonSettings PolygonSettings { get; set; }
Property Value
Type Description
PdfViewerPolygonSettings

PrintMode

Specifies the print mode in the PDF Viewer.

Declaration
public PrintMode PrintMode { get; set; }
Property Value
Type Description
PrintMode

RadiusSettings

Defines the settings of radius annotation. It used to customize the radius annotation properties.

Declaration
public PdfViewerRadiusSettings RadiusSettings { get; set; }
Property Value
Type Description
PdfViewerRadiusSettings

RectangleSettings

Defines the settings of rectangle annotation. It used to customize the rectangle annotation properties.

Declaration
public PdfViewerRectangleSettings RectangleSettings { get; set; }
Property Value
Type Description
PdfViewerRectangleSettings

RestrictZoomRequest

If it is set as true, then page image will be fetched only when the zoom percentage is 100. Otherwise, mutliple page image fetched for different zoom percentages on performing zoom operation. By default it is false.

Declaration
public bool RestrictZoomRequest { get; set; }
Property Value
Type Description
System.Boolean

RetryCount

Gets or sets the retry count for PDF Viewer service call. By default retrycount is 1.

Declaration
public double RetryCount { get; set; }
Property Value
Type Description
System.Double
Remarks

This RetryCount is only applicable for Web Assembly projects alone.

ScrollSettings

Define the tile rendering settings. Tile rendering will render the PDF pages into mutiple tiles.

Declaration
public PdfViewerScrollSettings ScrollSettings { get; set; }
Property Value
Type Description
PdfViewerScrollSettings

ServerActionSettings

Defines the settings of the PdfViewer service. It is used to map the server action method name for service calls.

Declaration
public PdfViewerServerActionSettings ServerActionSettings { get; set; }
Property Value
Type Description
PdfViewerServerActionSettings
Remarks

This ServerActionSettings is applicable for web assembly project alone.

ServiceUrl

Sets the URL for service calls.

Declaration
public string ServiceUrl { get; set; }
Property Value
Type Description
System.String
Remarks

This ServiceUrl is applicable for web assembly project alone.

ShapeLabelSettings

Provide option to customize the label text for shape and measure annotations. It is applicable only if set EnableShapeLabel is true.

Declaration
public PdfViewerShapeLabelSettings ShapeLabelSettings { get; set; }
Property Value
Type Description
PdfViewerShapeLabelSettings

StampSettings

Defines the settings of stamp annotation.It is used to customize the stamp annoations settings, stamp menu items to be visible in annotation toolbar.

Declaration
public PdfViewerStampSettings StampSettings { get; set; }
Property Value
Type Description
PdfViewerStampSettings

StickyNotesSettings

Defines the settings of stickyNotes annotation.

Declaration
public PdfViewerStickyNotesSettings StickyNotesSettings { get; set; }
Property Value
Type Description
PdfViewerStickyNotesSettings

StrikethroughSettings

Defines the settings of strikethrough annotation. It used to customize the strikethrough annotation properties.

Declaration
public PdfViewerStrikethroughSettings StrikethroughSettings { get; set; }
Property Value
Type Description
PdfViewerStrikethroughSettings

TextSearchColorSettings

Configure the search text and highlight text color for the PDF Viewer.

Declaration
public PdfViewerTextSearchColorSettings TextSearchColorSettings { get; set; }
Property Value
Type Description
PdfViewerTextSearchColorSettings

TileRenderingSettings

Define the tile rendering settings. Tile rendering will render the PDF pages into mutiple tiles.

Declaration
public PdfViewerTileRenderingSettings TileRenderingSettings { get; set; }
Property Value
Type Description
PdfViewerTileRenderingSettings

ToolbarSettings

Defines the builtin toolbar and annotation toolbar option to be visible in the PDF Viewer.

Declaration
public PdfViewerToolbarSettings ToolbarSettings { get; set; }
Property Value
Type Description
PdfViewerToolbarSettings

UnderlineSettings

Defines the settings of underline annotation. It is used to customize the properties of the underline annotation.

Declaration
public PdfViewerUnderlineSettings UnderlineSettings { get; set; }
Property Value
Type Description
PdfViewerUnderlineSettings

VolumeSettings

Defines the settings of volumne annotation. It is used to customize the properties of the volume annotation.

Declaration
public PdfViewerVolumeSettings VolumeSettings { get; set; }
Property Value
Type Description
PdfViewerVolumeSettings

Width

Gets or sets the scrollable width of the PDF Viewer.

Declaration
public string Width { get; set; }
Property Value
Type Description
System.String

ZoomMode

Indicates whether the PDF page will be rendered in fit to page, fit to width or based on the zoom percentage value(default) in the PDF Viewer. By default it value is Default and it represent the page rendered based on the zoom percentage.

Declaration
public ZoomMode ZoomMode { get; set; }
Property Value
Type Description
ZoomMode

ZoomValue

Gets or sets the Zoom Percentage value of the PDF Viewer. It's range varies from 10 to 400.

Declaration
public int ZoomValue { get; set; }
Property Value
Type Description
System.Int32

ZoomValueChanged

Gets the event callback for ZoomValue.

Declaration
public EventCallback<int> ZoomValueChanged { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<System.Int32>

ZoomValueExpression

Gets the expression for ZoomValue.

Declaration
public Expression<Func<int>> ZoomValueExpression { get; set; }
Property Value
Type Description
System.Linq.Expressions.Expression<System.Func<System.Int32>>

Methods

CancelTextSearchAsync()

Cancels the text search of the PDF Viewer.

Declaration
public Task CancelTextSearchAsync()
Returns
Type Description
System.Threading.Tasks.Task

ClearSelectionAsync()

Clear the annotation selection in the PDF Viewer.

Declaration
public Task ClearSelectionAsync()
Returns
Type Description
System.Threading.Tasks.Task

ClearTextSelectionAsync()

Clear the text selection.

Declaration
public Task ClearTextSelectionAsync()
Returns
Type Description
System.Threading.Tasks.Task

DeleteAnnotationAsync()

Delete the selected annotation in the PDF Viewer.

Declaration
public Task DeleteAnnotationAsync()
Returns
Type Description
System.Threading.Tasks.Task

DeleteAnnotationsAsync()

To delete the annotation Collections in the PDF Document.

Declaration
public Task DeleteAnnotationsAsync()
Returns
Type Description
System.Threading.Tasks.Task

Dispose()

Dispose the PDF Viewer and it's dependencies.

Declaration
public override void Dispose()
Overrides

Dispose(Boolean)

Dispose the unmanaged resources from PDF Viewer component.

Declaration
protected override void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing

DownloadAsync()

Downloads the PDF document being loaded in the PDF Viewer.

Declaration
public Task DownloadAsync()
Returns
Type Description
System.Threading.Tasks.Task

EditAnnotationAsync(PdfAnnotation)

Edit the annotation.

Declaration
public Task EditAnnotationAsync(PdfAnnotation annotation)
Parameters
Type Name Description
PdfAnnotation annotation

Annootation object should have the modified properties.
Returns
Type Description
System.Threading.Tasks.Task

EnableToolbarItemsAsync(List<ToolbarItem>, Boolean)

Enables or disables the the toolbar items in the PDF Viewer.

Declaration
public Task EnableToolbarItemsAsync(List<ToolbarItem> items, bool isEnable)
Parameters
Type Name Description
System.Collections.Generic.List<ToolbarItem> items
System.Boolean isEnable
Returns
Type Description
System.Threading.Tasks.Task

ExportAnnotationAsStreamAsync(AnnotationDataFormat)

Perform export annotations as Stream in the PDF Viewer.

Declaration
public Task<Stream> ExportAnnotationAsStreamAsync(AnnotationDataFormat annotationDataFormat)
Parameters
Type Name Description
AnnotationDataFormat annotationDataFormat
Returns
Type Description
System.Threading.Tasks.Task<System.IO.Stream>

ExportAnnotationAsync(AnnotationDataFormat)

Perform export annotations action in the PDF Viewer.

Declaration
public Task ExportAnnotationAsync(AnnotationDataFormat annotationDataFormat)
Parameters
Type Name Description
AnnotationDataFormat annotationDataFormat
Returns
Type Description
System.Threading.Tasks.Task

ExportAnnotationsAsObjectAsync()

Perform export annotations action in the PDF Viewer.

Declaration
public Task<object> ExportAnnotationsAsObjectAsync()
Returns
Type Description
System.Threading.Tasks.Task<System.Object>

ExportFormFieldsAsObjectAsync()

Perform export annotations action in the PDF Viewer.

Declaration
public Task<Dictionary<string, string>> ExportFormFieldsAsObjectAsync()
Returns
Type Description
System.Threading.Tasks.Task<System.Collections.Generic.Dictionary<System.String, System.String>>

ExportFormFieldsAsync(String)

Perform export action in the PDF Viewer.

Declaration
public Task ExportFormFieldsAsync(string path = null)
Parameters
Type Name Description
System.String path
Returns
Type Description
System.Threading.Tasks.Task

FitToPageAsync()

Scales the page to fit with in the container of the PDF Viewer.

Declaration
public Task FitToPageAsync()
Returns
Type Description
System.Threading.Tasks.Task

FitToWidthAsync()

Scales the page to fit the page width within container width of the PDF Viewer.

Declaration
public Task FitToWidthAsync()
Returns
Type Description
System.Threading.Tasks.Task

GetAnnotationsAsync()

Gets the annotations collection.

Declaration
public Task<List<PdfAnnotation>> GetAnnotationsAsync()
Returns
Type Description
System.Threading.Tasks.Task<System.Collections.Generic.List<PdfAnnotation>>

GetBookmarksAsync()

Get bookmarks of the PDF document being loaded in the PDF Viewer.

Declaration
public Task<List<Bookmark>> GetBookmarksAsync()
Returns
Type Description
System.Threading.Tasks.Task<System.Collections.Generic.List<Bookmark>>

GetDocumentAsync()

Gets the loaded PDF document with the changes.

Declaration
public Task<byte[]> GetDocumentAsync()
Returns
Type Description
System.Threading.Tasks.Task<System.Byte[]>

GetJSNamespace()

Returns the PDF Viewer namespace

Declaration
public string GetJSNamespace()
Returns
Type Description
System.String

String

GetPageCountAsync()

Returns the page count of the document loaded in the PdfViewer control.

Declaration
public Task<int> GetPageCountAsync()
Returns
Type Description
System.Threading.Tasks.Task<System.Int32>

GetZoomPercentageAsync()

Returns the current zoom percentage of the PdfViewer control.

Declaration
public Task<int> GetZoomPercentageAsync()
Returns
Type Description
System.Threading.Tasks.Task<System.Int32>

GoToBookmarkAsync(Int32, Double)

Navigate To current Bookmark location of the PDF document being loaded in the PDF Viewer.

Declaration
public Task GoToBookmarkAsync(int pageNumber, double y)
Parameters
Type Name Description
System.Int32 pageNumber

Represents the bookmark pageindex of the loaded PDF document.
System.Double y

Represents the Y co-ordinate of the bookmark page of the loaded PDF document.
Returns
Type Description
System.Threading.Tasks.Task

GoToFirstPageAsync()

Navigate to first page of the PDF document loaded in the PDF Viewer.

Declaration
public Task GoToFirstPageAsync()
Returns
Type Description
System.Threading.Tasks.Task

GoToLastPageAsync()

Navigate to last page of the PDF document loaded in the PDF Viewer.

Declaration
public Task GoToLastPageAsync()
Returns
Type Description
System.Threading.Tasks.Task

GoToNextPageAsync()

Navigate to Next page of the PDF document loaded in the PDF Viewer.

Declaration
public Task GoToNextPageAsync()
Returns
Type Description
System.Threading.Tasks.Task

GoToPageAsync(Int32)

Navigate to given page number in loaded document of the PDF Viewer..

Declaration
public Task GoToPageAsync(int pageNumber)
Parameters
Type Name Description
System.Int32 pageNumber
Returns
Type Description
System.Threading.Tasks.Task
Remarks

In case if we have provided incorrect page number as argument it will retain the existing page.

GoToPreviousPageAsync()

Navigate to Previous page of the PDF document.

Declaration
public Task GoToPreviousPageAsync()
Returns
Type Description
System.Threading.Tasks.Task

ImportAnnotationAsync(Stream, AnnotationDataFormat)

Perform imports annotations action in the PDF Viewer

Declaration
public Task ImportAnnotationAsync(Stream importData, AnnotationDataFormat annotationDataFormat)
Parameters
Type Name Description
System.IO.Stream importData
AnnotationDataFormat annotationDataFormat
Returns
Type Description
System.Threading.Tasks.Task

ImportAnnotationAsync(Object, AnnotationDataFormat)

Perform imports annotations action in the PDF Viewer.

Declaration
public Task ImportAnnotationAsync(object importData, AnnotationDataFormat annotationDataFormat)
Parameters
Type Name Description
System.Object importData
AnnotationDataFormat annotationDataFormat
Returns
Type Description
System.Threading.Tasks.Task

ImportFormFieldsAsync(Dictionary<String, String>)

Import the form fields.

Declaration
public Task ImportFormFieldsAsync(Dictionary<string, string> formFields)
Parameters
Type Name Description
System.Collections.Generic.Dictionary<System.String, System.String> formFields

Form fields details name and value will be in Dictionary format.
Returns
Type Description
System.Threading.Tasks.Task

LoadAsync(Byte[], String)

Load a PDF Document from the byte array.

Declaration
public Task LoadAsync(byte[] bytes, string password = null)
Parameters
Type Name Description
System.Byte[] bytes

byte array of the PDF document to be loaded into the PDF Viewer.
System.String password

Password for the PDF Document.
Returns
Type Description
System.Threading.Tasks.Task

LoadAsync(Stream, String)

Load a PDF Document from the stream.

Declaration
public Task LoadAsync(Stream stream, string password = null)
Parameters
Type Name Description
System.IO.Stream stream

Stream of the PDF document to be loaded into the PDF Viewer.
System.String password

Password for the PDF Document.
Returns
Type Description
System.Threading.Tasks.Task

LoadAsync(String, String)

Loads the given PDF document in the PDF Viewer.

Declaration
public Task LoadAsync(string document, string password = null)
Parameters
Type Name Description
System.String document
System.String password
Returns
Type Description
System.Threading.Tasks.Task

OnAfterRenderAsync(Boolean)

Declaration
protected override Task OnAfterRenderAsync(bool firstRender)
Parameters
Type Name Description
System.Boolean firstRender
Returns
Type Description
System.Threading.Tasks.Task
Overrides

OnColorPickerChange(ColorPickerEventArgs)

Fill color of the annotations.

Declaration
public void OnColorPickerChange(ColorPickerEventArgs args)
Parameters
Type Name Description
ColorPickerEventArgs args

OnFillColorChange(ColorPickerEventArgs)

Fill Color of the annotations.

Declaration
public void OnFillColorChange(ColorPickerEventArgs args)
Parameters
Type Name Description
ColorPickerEventArgs args

OnFontColorChange(ColorPickerEventArgs)

Change Font Color of Free text.

Declaration
public void OnFontColorChange(ColorPickerEventArgs args)
Parameters
Type Name Description
ColorPickerEventArgs args

OnInitializedAsync()

Declaration
protected override Task OnInitializedAsync()
Returns
Type Description
System.Threading.Tasks.Task
Overrides

OnParametersSetAsync()

Declaration
protected override Task OnParametersSetAsync()
Returns
Type Description
System.Threading.Tasks.Task

OnStrokeColorChange(ColorPickerEventArgs)

Stroke Color of the annotations.

Declaration
public void OnStrokeColorChange(ColorPickerEventArgs args)
Parameters
Type Name Description
ColorPickerEventArgs args

OnStrokePickerChange(ColorPickerEventArgs)

Stroke Color of the annotations.

Declaration
public void OnStrokePickerChange(ColorPickerEventArgs args)
Parameters
Type Name Description
ColorPickerEventArgs args

OpenThumbnailPaneAsync()

Open the thumbnail pane of the PDF Viewer.

Declaration
public Task OpenThumbnailPaneAsync()
Returns
Type Description
System.Threading.Tasks.Task

PrintAsync()

Print the PDF document being loaded in the PDF Viewer.

Declaration
public Task PrintAsync()
Returns
Type Description
System.Threading.Tasks.Task

RedoAsync()

Perform redo action for the edited annotations.

Declaration
public Task RedoAsync()
Returns
Type Description
System.Threading.Tasks.Task

RetrieveFormFieldsAsync()

To retrieve the form fields in the loaded PDF Document.

Declaration
public Task<List<FormField>> RetrieveFormFieldsAsync()
Returns
Type Description
System.Threading.Tasks.Task<System.Collections.Generic.List<FormField>>

SaveAsync(String)

Save the loaded the document with the changes in the given file path.

Declaration
public Task SaveAsync(string filePath)
Parameters
Type Name Description
System.String filePath

file path to save the document. filepath should have the .pdf file extension.
Returns
Type Description
System.Threading.Tasks.Task

SearchNextAsync()

Searches the next occurrence of the searched text from the current occurrence of the PDF Viewer.

Declaration
public Task SearchNextAsync()
Returns
Type Description
System.Threading.Tasks.Task

SearchPreviousAsync()

Searches the previous occurrence of the searched text from the current occurrence of the PDF Viewer.

Declaration
public Task SearchPreviousAsync()
Returns
Type Description
System.Threading.Tasks.Task

SearchTextAsync(String, Boolean)

Searches the target text in the PDF document and highlights the occurrences in the PDF pages.

Declaration
public Task SearchTextAsync(string searchText, bool isMatchCase)
Parameters
Type Name Description
System.String searchText
System.Boolean isMatchCase
Returns
Type Description
System.Threading.Tasks.Task

SelectAnnotationAsync(PdfAnnotation)

Select the annotations using or annotation Id.

Declaration
public Task SelectAnnotationAsync(PdfAnnotation annotation)
Parameters
Type Name Description
PdfAnnotation annotation

Annotation object to be deleted.
Returns
Type Description
System.Threading.Tasks.Task

SelectAnnotationAsync(String)

Select the annotations using or annotation Id.

Declaration
public Task SelectAnnotationAsync(string annotationId)
Parameters
Type Name Description
System.String annotationId
Returns
Type Description
System.Threading.Tasks.Task

SelectTextRegionAsync(Int32, List<Bound>)

Select Text region based on the given bounds.

Declaration
public Task SelectTextRegionAsync(int pageNumbers, List<Bound> bounds)
Parameters
Type Name Description
System.Int32 pageNumbers

page number of the text content to be selected.
System.Collections.Generic.List<Bound> bounds
Returns
Type Description
System.Threading.Tasks.Task

SetAnnotationModeAsync(AnnotationType)

Set annotation type to be added in next user interaction of the loaded PDF Document in the PDF Viewer.

Declaration
public Task SetAnnotationModeAsync(AnnotationType type)
Parameters
Type Name Description
AnnotationType type
Returns
Type Description
System.Threading.Tasks.Task

ShowAnnotationToolbar(Boolean)

Shows or hides the annotation toolbar in the PDF Viewer.

Declaration
public void ShowAnnotationToolbar(bool enableAnnotationToolbar)
Parameters
Type Name Description
System.Boolean enableAnnotationToolbar

ShowNavigationToolbarAsync(Boolean)

Shows or hides the Navigation toolbar in the PDF Viewer.

Declaration
public Task ShowNavigationToolbarAsync(bool enableNavigationToolbar)
Parameters
Type Name Description
System.Boolean enableNavigationToolbar
Returns
Type Description
System.Threading.Tasks.Task

ShowToolbarAsync(Boolean)

Shows or hides the toolbar in the PDF Viewer.

Declaration
public Task ShowToolbarAsync(bool enableToolbar)
Parameters
Type Name Description
System.Boolean enableToolbar
Returns
Type Description
System.Threading.Tasks.Task

ShowToolbarItemsAsync(List<ToolbarItem>, Boolean)

Shows or hides the the toolbar items in the PDF Viewer.

Declaration
public Task ShowToolbarItemsAsync(List<ToolbarItem> items, bool isVisible)
Parameters
Type Name Description
System.Collections.Generic.List<ToolbarItem> items
System.Boolean isVisible
Returns
Type Description
System.Threading.Tasks.Task

UndoAsync()

Perform undo action for the edited annotations.

Declaration
public Task UndoAsync()
Returns
Type Description
System.Threading.Tasks.Task

UnloadAsync()

Unloads the PDF document being displayed in the PDF viewer.

Declaration
public Task UnloadAsync()
Returns
Type Description
System.Threading.Tasks.Task

UpdateChildProperties(String, Object)

Declaration
public void UpdateChildProperties(string key, object value)
Parameters
Type Name Description
System.String key
System.Object value

UpdateFormFieldsAsync(FormField)

To update the form fields in the PDF Document.

Declaration
public Task UpdateFormFieldsAsync(FormField formField)
Parameters
Type Name Description
FormField formField
Returns
Type Description
System.Threading.Tasks.Task
Remarks

This method is used to update the isReadOnly of the form field.

UpdateMeasurementSettingsAsync()

Update measure settings for existing measure annotations.

Declaration
public Task UpdateMeasurementSettingsAsync()
Returns
Type Description
System.Threading.Tasks.Task

UpdateViewerContainerAsync()

updates the PDF Viewer container width and height from externally.

Declaration
public Task UpdateViewerContainerAsync()
Returns
Type Description
System.Threading.Tasks.Task

ZoomAsync(Int32)

Zoom the PDF document to the given zoom value. It's range varies from 10 to 400.

Declaration
public Task ZoomAsync(int zoomValue)
Parameters
Type Name Description
System.Int32 zoomValue
Returns
Type Description
System.Threading.Tasks.Task

ZoomInAsync()

Scale the page to the next value in the zoom drop down list. Drop down values are 10,25,50,75,100,125,150,200,400.

Declaration
public Task ZoomInAsync()
Returns
Type Description
System.Threading.Tasks.Task

ZoomOutAsync()

Magnifies the page to the previous value in the zoom drop down list. Drop down values are 10,25,50,75,100,125,150,200,400.

Declaration
public Task ZoomOutAsync()
Returns
Type Description
System.Threading.Tasks.Task