public class GridCellDropDownCellRenderer<T> : GridVirtualizingCellRenderer<T>, IGridCellRenderer, ICellRenderer, IHitTestSelectCells, IStyleChanged, IDisposable, IAllowKeepAliveOnlyCurrentCell where T : GridCellDropDownControlBase, new()

Type Parameters

Name	Description
T	The GridCellDropDownControlBase.

Constructors

GridCellDropDownCellRenderer()

Initializes the object.

Declaration

public GridCellDropDownCellRenderer()

Properties

AlreadyTextChanged

Gets or sets a value indicating whether the text is already changed.

Declaration

protected bool AlreadyTextChanged { get; set; }

Property Value

Type	Description
System.Boolean	`true` if [already text changed]; otherwise, `false`.

CanProcessKey

Use this variable to check if the key can be processed

Declaration

protected bool CanProcessKey { get; set; }

Property Value

Type
System.Boolean

GridListModel

Gets the GridListModel, i.e. the model of the drop-down control.

Declaration

public IGridListModel GridListModel { get; }

Property Value

Type
IGridListModel

SuspendEvents

Declaration

protected bool SuspendEvents { get; set; }

Property Value

Type
System.Boolean

Methods

ArrangeUIElement(ArrangeCellArgs, T, GridRenderStyleInfo)

Declaration

protected override void ArrangeUIElement(ArrangeCellArgs aca, T uiElement, GridRenderStyleInfo style)

Parameters

Type	Name	Description
ArrangeCellArgs	aca
T	uiElement
GridRenderStyleInfo	style

Overrides

Syncfusion.Windows.Controls.Grid.GridVirtualizingCellRendererBase<T>.ArrangeUIElement(Syncfusion.Windows.Controls.Cells.ArrangeCellArgs, T, Syncfusion.Windows.Controls.Grid.GridRenderStyleInfo)

ClearSelectedIndex()

Declaration

protected virtual void ClearSelectedIndex()

FindItem(String, Boolean, Int32, Boolean, out String)

Finds text in the list box.

Declaration

public virtual int FindItem(string prefix, bool selectItem, int start, bool ignoreCase, out string filteredText)

Parameters

Type	Name	Description
System.String	prefix	The text (or prefix) to find.
System.Boolean	selectItem	True if you want to select the text in the list box.
System.Int32	start	The first index to start searching.
System.Boolean	ignoreCase	True if case can be ignored; False if case sensitive.
System.String	filteredText	The filtered text.

Returns

Type	Description
System.Int32	The index of the entry that starts with the text; -1 if no entry could be found.

GetControlTextFromEditorCore(T)

Declaration

protected override string GetControlTextFromEditorCore(T uiElement)

Parameters

Type	Name	Description
T	uiElement

Returns

Type
System.String

Overrides

Syncfusion.Windows.Controls.Grid.GridVirtualizingCellRenderer<T>.GetControlTextFromEditorCore(T)

GetDropDownVisualStyle(T, GridStyleInfo)

Declaration

public T GetDropDownVisualStyle(T dropdown, GridStyleInfo style)

Parameters

Type	Name	Description
T	dropdown
GridStyleInfo	style

Returns

Type
T

GridControl_PreviewKeyDown(Object, KeyEventArgs)

Declaration

protected void GridControl_PreviewKeyDown(object sender, KeyEventArgs e)

Parameters

Type	Name	Description
System.Object	sender
System.Windows.Input.KeyEventArgs	e

OnActivated()

Declaration

protected override void OnActivated()

Overrides

GridCellRendererBase.OnActivated()

OnConfirmChangesFailed()

Declaration

protected override void OnConfirmChangesFailed()

Overrides

GridCellRendererBase.OnConfirmChangesFailed()

OnDeactivated()

Declaration

protected override void OnDeactivated()

Overrides

GridCellRendererBase.OnDeactivated()

OnEditingComplete()

Declaration

protected override void OnEditingComplete()

Overrides

GridCellRendererBase.OnEditingComplete()

OnEnteredEditMode()

Declaration

protected override void OnEnteredEditMode()

Overrides

GridCellRendererBase.OnEnteredEditMode()

OnGridPreviewTextInput(TextCompositionEventArgs)

This method only for Exclusive DropDown. If we type char means take the item from the List box

Declaration

protected override void OnGridPreviewTextInput(TextCompositionEventArgs e)

Parameters

Type	Name	Description
System.Windows.Input.TextCompositionEventArgs	e

Overrides

GridCellRendererBase.OnGridPreviewTextInput(TextCompositionEventArgs)

OnInitialize()

Declaration

protected override void OnInitialize()

Overrides

GridCellRendererBase.OnInitialize()

OnInitializeContent(T, GridRenderStyleInfo)

Initializes the content of the drop-down list cell using the information from the cell style (value, text, behavior etc.).

Declaration

public override void OnInitializeContent(T dropDownControl, GridRenderStyleInfo style)

Parameters

Type	Name	Description
T	dropDownControl	The drop-down list control.
GridRenderStyleInfo	style	The cell style info.

Overrides

Syncfusion.Windows.Controls.Grid.GridVirtualizingCellRenderer<T>.OnInitializeContent(T, Syncfusion.Windows.Controls.Grid.GridRenderStyleInfo)

OnIsDropDownOpenChanged(Object, EventArgs)

Declaration

protected virtual void OnIsDropDownOpenChanged(object sender, EventArgs e)

Parameters

Type	Name	Description
System.Object	sender
System.EventArgs	e

OnRender(DrawingContext, RenderCellArgs, GridRenderStyleInfo)

Declaration

protected override void OnRender(DrawingContext dc, RenderCellArgs rca, GridRenderStyleInfo style)

Parameters

Type	Name	Description
System.Windows.Media.DrawingContext	dc
RenderCellArgs	rca
GridRenderStyleInfo	style

Overrides

Syncfusion.Windows.Controls.Cells.CellRendererBase<Syncfusion.Windows.Controls.Grid.GridRenderStyleInfo>.OnRender(System.Windows.Media.DrawingContext, Syncfusion.Windows.Controls.Cells.RenderCellArgs, Syncfusion.Windows.Controls.Grid.GridRenderStyleInfo)

OnSetFocus()

Declaration

protected override void OnSetFocus()

Overrides

GridCellRendererBase.OnSetFocus()

OnTextBoxPartKeyDown(Object, KeyEventArgs)

Declaration

protected virtual void OnTextBoxPartKeyDown(object sender, KeyEventArgs e)

Parameters

Type	Name	Description
System.Object	sender
System.Windows.Input.KeyEventArgs	e

OnTextBoxPartPreviewKeyDown(Object, KeyEventArgs)

Declaration

protected virtual void OnTextBoxPartPreviewKeyDown(object sender, KeyEventArgs e)

Parameters

Type	Name	Description
System.Object	sender
System.Windows.Input.KeyEventArgs	e

OnTextBoxPartTextChanged(Object, TextChangedEventArgs)

Declaration

protected virtual void OnTextBoxPartTextChanged(object sender, TextChangedEventArgs e)

Parameters

Type	Name	Description
System.Object	sender
System.Windows.Controls.TextChangedEventArgs	e

OnUnwireUIElement(T)

Declaration

protected override void OnUnwireUIElement(T uiElement)

Parameters

Type	Name	Description
T	uiElement

Overrides

Syncfusion.Windows.Controls.Grid.GridVirtualizingCellRenderer<T>.OnUnwireUIElement(T)

OnWireUIElement(T)

Declaration

protected override void OnWireUIElement(T uiElement)

Parameters

Type	Name	Description
T	uiElement

Overrides

Syncfusion.Windows.Controls.Grid.GridVirtualizingCellRenderer<T>.OnWireUIElement(T)

RaiseGridCellClick(Int32, Int32, MouseControllerEventArgs)

Raises GridCellClick event.

Declaration

public override void RaiseGridCellClick(int rowIndex, int colIndex, MouseControllerEventArgs e)

Parameters

Type	Name	Description
System.Int32	rowIndex	The cell row index.
System.Int32	colIndex	The cell column index.
MouseControllerEventArgs	e	A MouseControllerEventArgs object.

Overrides

GridCellRendererBase.RaiseGridCellClick(Int32, Int32, MouseControllerEventArgs)

RaiseSelectedItemChangedEvent(RowColumnIndex, Object)

Declaration

protected virtual void RaiseSelectedItemChangedEvent(RowColumnIndex cellRowColumnIndex, object item)

Parameters

Type	Name	Description
RowColumnIndex	cellRowColumnIndex
System.Object	item

SetSelectedIndex(Int32)

Declaration

protected virtual void SetSelectedIndex(int index)

Parameters

Type	Name	Description
System.Int32	index

ShouldGridTryToHandlePreviewKeyDown(KeyEventArgs)

Declaration

protected override bool ShouldGridTryToHandlePreviewKeyDown(KeyEventArgs e)

Parameters

Type	Name	Description
System.Windows.Input.KeyEventArgs	e

Returns

Type
System.Boolean

Overrides

GridCellRendererBase.ShouldGridTryToHandlePreviewKeyDown(KeyEventArgs)

UnwireTemplateParts(T)

Declaration

protected virtual void UnwireTemplateParts(T uiElement)

Parameters

Type	Name	Description
T	uiElement

WireTemplateParts(T)

Declaration

protected virtual void WireTemplateParts(T uiElement)

Parameters

Type	Name	Description
T	uiElement

Implements

IGridCellRenderer

ICellRenderer

IHitTestSelectCells

IStyleChanged

System.IDisposable

IAllowKeepAliveOnlyCurrentCell