Interface IGridSelectionController

Provides the common functionality of selection behavior in SfDataGrid.

Namespace: Syncfusion.UI.Xaml.DataGrid

Assembly: Syncfusion.Grid.WinUI.dll

Syntax

public interface IGridSelectionController : INotifyPropertyChanged, IDisposable

Properties

CurrentCellManager

Gets the reference to the GridCurrentCellManager instance which holds the current cell information.

Declaration

GridCurrentCellManager CurrentCellManager { get; }

Property Value

Type
GridCurrentCellManager

SelectedCells

Returns the collection of that contains the information selected cells .

Declaration

GridSelectedCellsCollection SelectedCells { get; }

Property Value

Type
GridSelectedCellsCollection

SelectedRows

Returns the collection of GridRowInfo that contains the information of selected rows.

Declaration

GridSelectedRowsCollection SelectedRows { get; }

Property Value

Type
GridSelectedRowsCollection

Methods

ClearSelections(Boolean, Boolean)

Clears all the selected cells or rows in SfDataGrid.

Declaration

void ClearSelections(bool exceptCurrentRow, bool isProgrammatic = true)

Parameters

Type	Name	Description
System.Boolean	exceptCurrentRow	Decides whether the current row or cell selection should be removed while clearing the selections from SfDataGrid.
System.Boolean	isProgrammatic

HandleCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Handles the selection when the collection is changed.

Declaration

void HandleCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	The System.Collections.Specialized.NotifyCollectionChangedEventArgs
CollectionChangedReason	reason	Contains the CollectionChangedReason for collection changes.

HandleDetailsViewGridKeyDown(KeyRoutedEventArgs)

Handles the selection when the keyboard interactions that are performed in DetailsViewDataGrid.

Declaration

bool HandleDetailsViewGridKeyDown(KeyRoutedEventArgs args)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs	args	Contains information about the key that was pressed.

Returns

Type	Description
System.Boolean	true if the key was processed; otherwise, false.

HandleGridOperations(GridOperationsHandlerArgs)

Handles the selection when any of the GridOperation such as Sorting,Filtering,Grouping and etc that are performed in SfDataGrid.

Declaration

void HandleGridOperations(GridOperationsHandlerArgs args)

Parameters

Type	Name	Description
GridOperationsHandlerArgs	args	The GridOperationsHandlerArgs that contains the type of grid operations and its arguments.

HandleGroupExpandCollapse(Int32, Int32, Boolean)

Handles the when the group is expanded or collapsed in SfDataGrid.

Declaration

void HandleGroupExpandCollapse(int index, int count, bool isExpanded)

Parameters

Type	Name	Description
System.Int32	index	The corresponding index of the group.
System.Int32	count	The number of rows that are collapsed or expanded.
System.Boolean	isExpanded	Specifies whether the group is expanded or not.

HandleKeyDown(KeyRoutedEventArgs)

Handles the selection when the keyboard interactions that are performed in SfDataGrid.

Declaration

bool HandleKeyDown(KeyRoutedEventArgs args)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs	args	Contains information about the key that was pressed.

Returns

Type	Description
System.Boolean	true if the key was processed; otherwise, false.

HandlePointerOperations(GridPointerEventArgs, RowColumnIndex)

Handles the selection when any of the PointerOperation such as pressed,released,moved,and etc that are performed in SfDataGrid.

Declaration

void HandlePointerOperations(GridPointerEventArgs args, RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
GridPointerEventArgs	args	The GridPointerEventArgs that contains the type of pointer operations and its arguments.
RowColumnIndex	rowColumnIndex	The corresponding rowColumnIndex.

HandleSelectionPropertyChanges(SelectionPropertyChangedHandlerArgs)

Handles the selection when any of the selection property such as SelectedIndex,SelectedItem and SelectionMode values changed.

Declaration

void HandleSelectionPropertyChanges(SelectionPropertyChangedHandlerArgs handle)

Parameters

Type	Name	Description
SelectionPropertyChangedHandlerArgs	handle	The SelectionPropertyChangedHandlerArgs that contains the corresponding property name and its value changes.

MoveCurrentCell(RowColumnIndex, Boolean)

Moves the current cell for the specified rowColumnIndex.

Declaration

void MoveCurrentCell(RowColumnIndex rowColumnIndex, bool needToClearSelection = true)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	Specifies the corresponding rowColumnIndex to move the current cell.
System.Boolean	needToClearSelection	Decides whether the current row selection need to be cleared while moving the current cell.

SelectAll(Boolean)

Selects all the rows or cells in SfDataGrid.

Declaration

void SelectAll(bool canFocus = true)

Parameters

Type	Name	Description
System.Boolean	canFocus	Decides whether the focus can be set to the current cell.

SelectRows(Int32, Int32)

Selects the rows corresponding to the specified start and end index of the row.

Declaration

void SelectRows(int startRowIndex, int endRowIndex)

Parameters

Type	Name	Description
System.Int32	startRowIndex	The start index of the row.
System.Int32	endRowIndex	The end index of the row.