Class SelectionAdv

Represents the SelectionAdv class.

Inheritance

System.Object

SelectionAdv

Namespace: Syncfusion.UI.Xaml.RichTextBoxAdv

Assembly: Syncfusion.SfRichTextBoxAdv.UWP.dll

Syntax

public class SelectionAdv : DependencyObject

Constructors

SelectionAdv()

Initializes the new instance of the SelectionAdv class.

Declaration

public SelectionAdv()

Properties

CellFormat

Declaration

public SelectionCellFormat CellFormat { get; }

Property Value

Type	Description
SelectionCellFormat

CharacterFormat

Gets the SelectionCharacterFormat of the SelectionAdv.

Declaration

public SelectionCharacterFormat CharacterFormat { get; }

Property Value

Type	Description
SelectionCharacterFormat	The SelectionCharacterFormat of the SelectionAdv.

EditingContext

Gets the EditingContext.

Declaration

public EditingContext EditingContext { get; }

Property Value

Type	Description
EditingContext

End

Gets the end TextPosition of the SelectionAdv.

Declaration

public TextPosition End { get; }

Property Value

Type	Description
TextPosition	The end TextPosition of the SelectionAdv.

IsEmpty

Gets a value indicating whether the Start and End of the SelectionAdv denotes the same TextPosition.

Declaration

public bool IsEmpty { get; }

Property Value

Type	Description
System.Boolean	Returns True, if the Start and End of the SelectionAdv denotes the same TextPosition. Otherwise returns False.

ParagraphFormat

Gets the SelectionParagraphFormat of the SelectionAdv.

Declaration

public SelectionParagraphFormat ParagraphFormat { get; }

Property Value

Type	Description
SelectionParagraphFormat	The SelectionParagraphFormat of the SelectionAdv.

RowFormat

Gets the selection Row format.

Declaration

public SelectionRowFormat RowFormat { get; }

Property Value

Type	Description
SelectionRowFormat	The selection Row format.

SectionFormat

Gets the SelectionSectionFormat of the SelectionAdv.

Declaration

public SelectionSectionFormat SectionFormat { get; }

Property Value

Type	Description
SelectionSectionFormat	The SelectionSectionFormat of the SelectionAdv.

SelectionRanges

Gets the SelectionRangeCollection of the SelectionAdv.

Declaration

public SelectionRangeCollection SelectionRanges { get; }

Property Value

Type	Description
SelectionRangeCollection	The SelectionRangeCollection of the SelectionAdv.

Start

Gets the start TextPosition of the SelectionAdv.

Declaration

public TextPosition Start { get; }

Property Value

Type	Description
TextPosition	The start TextPosition of the SelectionAdv.

TableFormat

Gets the SelectionTableFormat of the SelectionAdv.

Declaration

public SelectionTableFormat TableFormat { get; }

Property Value

Type	Description
SelectionTableFormat	The SelectionTableFormat of the SelectionAdv.

Text

Gets the text of the SelectionAdv.

Declaration

public string Text { get; }

Property Value

Type	Description
System.String	The text of the SelectionAdv.

Methods

Delete()

Deletes the selected content in SfRichTextBoxAdv control

Declaration

public bool Delete()

Returns

Type	Description
System.Boolean	Returns true if the selected content is deleted. Otherwise false

Remarks

This method is valid only when the selection is non-empty. It deletes the selected content, like Delete key. For example, when some cells of a table or an entire table is selected it deletes only the cell contents.

InsertBreak(BreakType)

Inserts the specified BreakType at this SelectionAdv.

Declaration

public void InsertBreak(BreakType breakType)

Parameters

Type	Name	Description
BreakType	breakType

Examples

The following code example demonstrates how to insert the page break at the current selection.

<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv"/>

public void InsertPageBreakAtSelection()
{
   // Inserts the specified break type at current selection position.
   // If the current selection is not empty, removes the selected contents first and then inserts the break.
   richTextBoxAdv.Selection.InsertBreak(BreakType.PageBreak);
}

Public Sub InsertPageBreakAtSelection()
' Inserts the specified break type at current selection position.
' If the current selection is not empty, removes the selected contents first and then inserts the break.
richTextBoxAdv.Selection.InsertBreak(BreakType.PageBreak)
End Sub

InsertPicture(Object)

Inserts the specified picture object at this SelectionAdv. The object can be a Windows.Storage.StorageFile, System.IO.Stream, byte array or file uri string.

Declaration

public void InsertPicture(object picture)

Parameters

Type	Name	Description
System.Object	picture	The picture object to be inserted. The object can be a Windows.Storage.StorageFile, System.IO.Stream, byte array or file uri string.

Examples

The following code example demonstrates how to insert the picture at the current selection.

<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv"/>

public void InsertPictureAtSelection(Stream stream)
{
   // Inserts the specified picture at current selection position.
   // If the current selection is not empty, removes the selected contents first and then inserts the picture.
   richTextBoxAdv.Selection.InsertPicture(stream);
}

Public Sub InsertPictureAtSelection(Stream stream)
' Inserts the specified picture at current selection position.
' If the current selection is not empty, removes the selected contents first and then inserts the picture.
richTextBoxAdv.Selection.InsertPicture(stream)
End Sub

Exceptions

Type	Condition
System.ArgumentNullException	Picture cannot be null.

InsertText(String)

Inserts the specified System.String at this SelectionAdv.

Declaration

public void InsertText(string text)

Parameters

Type	Name	Description
System.String	text	The text to be inserted.

Examples

The following code example demonstrates how to insert the specified text at the current selection.

<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv"/>

public void InsertTextAtSelection()
{
   // Inserts the specified text at current selection position.
   // If the current selection is not empty, removes the selected contents first and then inserts the text.
   richTextBoxAdv.Selection.InsertText("Hello world");
}

Public Sub InsertTextAtSelection()
' Inserts the specified text at current selection position.
' If the current selection is not empty, removes the selected contents first and then inserts the text.
richTextBoxAdv.Selection.InsertText("Hello world")
End Sub

Exceptions

Type	Condition
System.ArgumentNullException	Text cannot be null.

InsertUIContainer(UIElement, Double, Double)

Inserts the specified Windows.UI.Xaml.UIElement at this SelectionAdv.

Declaration

public void InsertUIContainer(UIElement UIElement, double width, double height)

Parameters

Type	Name	Description
Windows.UI.Xaml.UIElement	UIElement	The UIElement to insert.
System.Double	width	The display width of the UIElement.
System.Double	height	The display height of the UIElement.

Examples

The following code example demonstrates how to insert the Windows.UI.Xaml.UIElement at the current selection.

<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv"/>

public void InsertUIElementAtSelection()
{
   // Inserts the specified button control at current selection position.
   // If the current selection is not empty, removes the selected contents first and then inserts the button.
   Button button = new Button();
   button.Content = "Click Me!";
   richTextBoxAdv.Selection.InsertUIContainer(button, 30, 30);
}

Public Sub InsertUIElementAtSelection()
' Inserts the specified button control at current selection position.
' If the current selection is not empty, removes the selected contents first and then inserts the button.
Dim button As Button = New Button()
button.Content = "Click Me!"
richTextBoxAdv.Selection.InsertUIContainer(button, 30, 30)
End Sub

Exceptions

Type	Condition
System.ArgumentNullException	UIElement cannot be null.
System.ArgumentOutOfRangeException	Width should not be negative or infinity value.
System.ArgumentOutOfRangeException	Height should not be negative or infinity value.

Select(TextPosition, TextPosition)

Selects the specified start TextPosition and end TextPosition.

Declaration

public void Select(TextPosition startPosition, TextPosition endPosition)

Parameters

Type	Name	Description
TextPosition	startPosition	The TextPosition instance that denotes the start position of the SelectionAdv.
TextPosition	endPosition	The TextPosition instance that denotes the end position of the SelectionAdv.

Examples

The following code example demonstrates how to select the specified start and end position.

<RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv"/>

public void SelectContents()
{
    // Retrieves the position at the first paragraph start.
    TextPosition startPosition = richTextBoxAdv.Document.GetTextPosition("0;0;0");
// Retrieves the position at offset = 20 in the first paragraph.
TextPosition endPosition = richTextBoxAdv.Document.GetTextPosition("0;0;20");

// Selects the text positions in forward direction.
richTextBoxAdv.Selection.Select(startPosition, endPosition);

// Selects the text positions in reverse direction.
// richTextBoxAdv.Selection.Select(endPosition, startPosition);

// To make an empty selection at the specific text position.
// richTextBoxAdv.Selection.Select(startPosition, startPosition);

}

Public Sub SelectContents()

   ' Retrieves the position at the first paragraph start.
   Dim startPosition As TextPosition = richTextBoxAdv.Document.GetTextPosition("0;0;0")

   ' Retrieves the position at offset = 20 in the first paragraph.
   Dim endPosition As TextPosition = richTextBoxAdv.Document.GetTextPosition("0;0;20")

   ' Selects the text positions in forward direction.
   richTextBoxAdv.Selection.Select(startPosition, endPosition)

   ' Selects the text positions in reverse direction.
   ' richTextBoxAdv.Selection.Select(endPosition, startPosition)

   ' To make an empty selection at the specific text position.
   ' richTextBoxAdv.Selection.Select(startPosition, startPosition)

 End Sub

Exceptions

Type	Condition
System.ArgumentNullException	TextPosition cannot be null.
System.ArgumentException	Invalid start TextPosition.
System.ArgumentException	Invalid end TextPosition.
System.ArgumentException	A text position within comment can be selected with another text position within the same comment only.

See Also

TextPosition

SelectionRange

Extension Methods

DateTimeExtension.ToDateTime(Object)