Class RowSelectionController

Represent the class for process the row selection operation in data grid.

Inheritance

System.Object

SelectionControllerBase

RowSelectionController

Inherited Members

SelectionControllerBase.ClearDetailsViewGridSelections(SfDataGrid)

SelectionControllerBase.DataGrid

SelectionControllerBase.IsSuspended

SelectionControllerBase.PressedRowColumnIndex

SelectionControllerBase.RaiseSelectionChanged(List<Object>, List<Object>)

SelectionControllerBase.RaiseSelectionChanging(List<Object>, List<Object>)

SelectionControllerBase.ResumeEvents()

SelectionControllerBase.ResumeUpdates()

SelectionControllerBase.SelectedRows

SelectionControllerBase.SuspendEvents()

SelectionControllerBase.SuspendUpdates()

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Syncfusion.WinForms.DataGrid.Interactivity

Assembly: Syncfusion.SfDataGrid.WinForms.dll

Syntax

public class RowSelectionController : SelectionControllerBase

Constructors

RowSelectionController(SfDataGrid)

Initializes a new instance of the RowSelectionController class.

Declaration

public RowSelectionController(SfDataGrid dataGrid)

Parameters

Type	Name	Description
SfDataGrid	dataGrid	The dataGrid.

Methods

AddSelection(Object, Int32)

Adds the row selection for the specified list of items.

Declaration

protected void AddSelection(object recordEntry, int rowIndex)

Parameters

Type	Name	Description
System.Object	recordEntry	The corresponding list of items to add the selection.
System.Int32	rowIndex	The corresponding row index for add the selection.

DeleteSelectedRecords()

Removes the selected rows from the SfDataGrid control.

Declaration

protected override bool DeleteSelectedRecords()

Returns

Type	Description
System.Boolean	Returns true, if record deletion operation completed. Otherwise returns false.

Overrides

SelectionControllerBase.DeleteSelectedRecords()

HandleCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Handles the row selection when the collection changes on DataSource properties in SfDataGrid.

Declaration

protected override void HandleCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)

Parameters

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

Overrides

SelectionControllerBase.HandleCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Remarks

This method is called when the collection changes on DataSource properties in SfDataGrid.

HandleDataSourceChanges(DataSourceChangedEventArgs)

Handles selection when the DataSource of teh SFDataGrid is changed.

Declaration

protected override void HandleDataSourceChanges(DataSourceChangedEventArgs args)

Parameters

Type	Name	Description
DataSourceChangedEventArgs	args	The that contains the old and new data source objects.

Overrides

SelectionControllerBase.HandleDataSourceChanges(DataSourceChangedEventArgs)

HandleGridOperations(DataGridOperationEventArgs)

Handles selection when any of the GridOperation such as sorting, filtering, grouping and etc performed in DataGrid.

Declaration

protected override void HandleGridOperations(DataGridOperationEventArgs args)

Parameters

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

Overrides

SelectionControllerBase.HandleGridOperations(DataGridOperationEventArgs)

Remarks

This method is called when any of the Grid.GridOperation are performed in DataGrid.

HandleKeyOperations(KeyEventArgs)

Process the key operations for SfDataGrid.

Declaration

protected override void HandleKeyOperations(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.HandleKeyOperations(KeyEventArgs)

HandlePointerOperations(DataGridPointerEventArgs, RowColumnIndex)

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

Declaration

protected override void HandlePointerOperations(DataGridPointerEventArgs args, RowColumnIndex rowColumnIndex)

Parameters

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

Overrides

SelectionControllerBase.HandlePointerOperations(DataGridPointerEventArgs, RowColumnIndex)

Remarks

This method is invoked when any of the PointerOperation are performed in DataGrid.

HandleSelectionPropertyChanges(SelectionPropertyChangedEventArgs)

Handles selection when the selection property such as SelectedIndex,SelectedItem and selectionMode value changes occurred.

Declaration

protected override void HandleSelectionPropertyChanges(SelectionPropertyChangedEventArgs handle)

Parameters

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

Overrides

SelectionControllerBase.HandleSelectionPropertyChanges(SelectionPropertyChangedEventArgs)

Remarks

This method is invoked when the selection property values such as SelectedIndex,SelectedItem and selectionMode are changed in SFDataGrid.

ProcessArrowKeysForSingleMultipleSelection(KeyEventArgs)

Process the arrow key navigation operations for SfDataGrid.

Declaration

protected override void ProcessArrowKeysForSingleMultipleSelection(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessArrowKeysForSingleMultipleSelection(KeyEventArgs)

ProcessCtrlModifiersKeys(KeyEventArgs)

Process the control modifiers key navigation operations for SfDataGrid.

Declaration

protected override void ProcessCtrlModifiersKeys(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessCtrlModifiersKeys(KeyEventArgs)

ProcessCurrentItemChanged(SelectionPropertyChangedEventArgs)

Processes the row selection when the CurrentItem property value changes.

Declaration

protected override void ProcessCurrentItemChanged(SelectionPropertyChangedEventArgs handle)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	handle	The contains the data for the CurrentItem property value changes.

Overrides

SelectionControllerBase.ProcessCurrentItemChanged(SelectionPropertyChangedEventArgs)

ProcessDetailsViewEnterKeyDown(Int32)

Process the Enter key down operation of the DetailsView grid.

Declaration

protected override bool ProcessDetailsViewEnterKeyDown(int rowIndex)

Parameters

Type	Name	Description
System.Int32	rowIndex	The row index.

Returns

Type	Description
System.Boolean	Returns true if DetailsView index is process. Otherwise false.

Overrides

SelectionControllerBase.ProcessDetailsViewEnterKeyDown(Int32)

ProcessDragSelection(RowColumnIndex)

Processes the row selection for the specified row index.

Declaration

protected override void ProcessDragSelection(RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The corresponding row column index to select the row.

Overrides

SelectionControllerBase.ProcessDragSelection(RowColumnIndex)

ProcessEnterKey()

Process the enter key navigation operations for SfDataGrid.

Declaration

protected override void ProcessEnterKey()

Overrides

SelectionControllerBase.ProcessEnterKey()

ProcessGridSelectionModeChanged(SelectionPropertyChangedEventArgs)

Processes the row selection when the Syncfusion.WinForms.DataGrid.SfDataGrid.selectionMode property value changes.

Declaration

protected override void ProcessGridSelectionModeChanged(SelectionPropertyChangedEventArgs handle)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	handle	The contains the data for the Syncfusion.WinForms.DataGrid.SfDataGrid.selectionMode property value changes.

Overrides

SelectionControllerBase.ProcessGridSelectionModeChanged(SelectionPropertyChangedEventArgs)

ProcessNavigationDragSelection(RowColumnIndex, RowColumnIndex)

Process the drag selection for navigation.

Declaration

protected void ProcessNavigationDragSelection(RowColumnIndex startRowColumnIndex, RowColumnIndex endRowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	startRowColumnIndex	The corrsponding start index for selection.
RowColumnIndex	endRowColumnIndex	The corrsponding end index for selection.

ProcessNavigationShiftSelection(RowColumnIndex)

Process the shift selection for navigation.

Declaration

protected override void ProcessNavigationShiftSelection(RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The corrsponding row index for selection.

Overrides

SelectionControllerBase.ProcessNavigationShiftSelection(RowColumnIndex)

ProcessOnAddNewRow(AddNewRowOperationEventArgs)

Processes the row selection when new row is initiated or committed and the position of AddNewRow is changed.

Declaration

protected override void ProcessOnAddNewRow(AddNewRowOperationEventArgs handle)

Parameters

Type	Name	Description
AddNewRowOperationEventArgs	handle	Contains data for the AddNewRow operation.

Overrides

SelectionControllerBase.ProcessOnAddNewRow(AddNewRowOperationEventArgs)

ProcessOnFilterApplied(FilterChangedEventArgs)

Processes the row selection when the column is filtered in SFDataGrid.

Declaration

protected override void ProcessOnFilterApplied(FilterChangedEventArgs args)

Parameters

Type	Name	Description
FilterChangedEventArgs	args	Contains the data related to the filtering operation.

Overrides

SelectionControllerBase.ProcessOnFilterApplied(FilterChangedEventArgs)

Remarks

This method refreshes the selection while filter the column in SFDataGrid.

ProcessOnGroupChanged(GroupingOperationEventArgs)

Processes the row selection when the column is grouped in SfDataGrid.

Declaration

protected override void ProcessOnGroupChanged(GroupingOperationEventArgs args)

Parameters

Type	Name	Description
GroupingOperationEventArgs	args	Contains the data related to the grouping operation.

Overrides

SelectionControllerBase.ProcessOnGroupChanged(GroupingOperationEventArgs)

Remarks

This method refreshes the selection while grouping the column in SFDataGrid.

ProcessOnPageChanged()

Processes the row selection when the page is navigated using the SfDataPager.

Declaration

protected override void ProcessOnPageChanged()

Overrides

SelectionControllerBase.ProcessOnPageChanged()

ProcessOnRowHeaderChanged()

Processes the selection when the ShowRowHeader property value changes.

Declaration

protected override void ProcessOnRowHeaderChanged()

Overrides

SelectionControllerBase.ProcessOnRowHeaderChanged()

ProcessOnSortChanged(SortColumnChangedEventArgs)

Process the row selection on SortColumnDescriptions changed.

Declaration

protected override void ProcessOnSortChanged(SortColumnChangedEventArgs args)

Parameters

Type	Name	Description
SortColumnChangedEventArgs	args	The SortColumnChangedEventArgs that contains event data.

Overrides

SelectionControllerBase.ProcessOnSortChanged(SortColumnChangedEventArgs)

ProcessSelectedEntriesChanged(NotifyCollectionChangedEventArgs)

Processes the row selection when the SelectedNodeEntires property value changes.

Declaration

protected void ProcessSelectedEntriesChanged(NotifyCollectionChangedEventArgs e)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains data for SelectedNodeEntries collection changes.

ProcessSelectedIndexChanged(SelectionPropertyChangedEventArgs)

Processes the row selection when the SelectedIndex property value changes.

Declaration

protected override void ProcessSelectedIndexChanged(SelectionPropertyChangedEventArgs handle)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	handle	The SelectionPropertyChangedEventArgs contains the data for the SelectedIndex property value changes.

Overrides

SelectionControllerBase.ProcessSelectedIndexChanged(SelectionPropertyChangedEventArgs)

ProcessSelectedItemChanged(SelectionPropertyChangedEventArgs)

Processes the row selection when the SelectedItem property value changes.

Declaration

protected override void ProcessSelectedItemChanged(SelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	args	The contains the data for the SelectedItem property value changes.

Overrides

SelectionControllerBase.ProcessSelectedItemChanged(SelectionPropertyChangedEventArgs)

ProcessSelectedItemsChanged(NotifyCollectionChangedEventArgs)

Processes the row selection when the SelectedItems property value changes.

Declaration

protected void ProcessSelectedItemsChanged(NotifyCollectionChangedEventArgs e)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains data for SelectedItems collection changes.

ProcessSelection(RowColumnIndex, RowColumnIndex, Boolean, Boolean)

Processes the row selection for the specified row index.

Declaration

protected void ProcessSelection(RowColumnIndex rowColumnIndex, RowColumnIndex previousRowColumnIndex, bool isDragSelection = false, bool isNavigationSelection = false)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The corresponding row column index to select the row.
RowColumnIndex	previousRowColumnIndex	The previous row column index.
System.Boolean	isDragSelection	Specifies the value is a drag selection or not
System.Boolean	isNavigationSelection	Specifies the value is a navigation selection or not

ProcessSelectionAndCurrentCell(RowColumnIndex)

Process the Selection and current cell for corresponding row column index.

Declaration

protected override void ProcessSelectionAndCurrentCell(RowColumnIndex rowColumnindex)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnindex	The row column index for selection process.

Overrides

SelectionControllerBase.ProcessSelectionAndCurrentCell(RowColumnIndex)

ProcessShiftCtrlModifiersKeys(KeyEventArgs)

Process the Shif and control modifiers key navigation operations for SfDataGrid.

Declaration

protected override void ProcessShiftCtrlModifiersKeys(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessShiftCtrlModifiersKeys(KeyEventArgs)

ProcessShiftModifiersKeys(KeyEventArgs)

Process the shift modifiers key navigation operations for SfDataGrid.

Declaration

protected override void ProcessShiftModifiersKeys(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessShiftModifiersKeys(KeyEventArgs)

ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Processes the row selection when the DataSource property value changes.

Declaration

protected override void ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains data for source collection changes.
CollectionChangedReason	reason	The CollectionChangedReason contains reason for the source collection changes.

Overrides

SelectionControllerBase.ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

ProcessSpecialKeysForSingleMultiple(KeyEventArgs)

This method process special key navigation ctrl or shift key not pressed.

Declaration

protected override void ProcessSpecialKeysForSingleMultiple(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessSpecialKeysForSingleMultiple(KeyEventArgs)

ProcessUnboundRowChanged(UnboundRowCollectionChangedEventArgs)

Processes the row selection when the UnboundRow collection changes.

Declaration

protected override void ProcessUnboundRowChanged(UnboundRowCollectionChangedEventArgs args)

Parameters

Type	Name	Description
UnboundRowCollectionChangedEventArgs	args	Contains data for the UnboundRow collection changes.

Overrides

SelectionControllerBase.ProcessUnboundRowChanged(UnboundRowCollectionChangedEventArgs)

RefreshSelectedEntries()

Refresh the selected entries while processing row positions.

Declaration

protected void RefreshSelectedEntries()

RefreshSelectedItems()

Refresh the selected items while processing the filtering.

Declaration

protected void RefreshSelectedItems()

RemoveSelection(Object)

Removes the selection for the specified list of items.

Declaration

protected void RemoveSelection(object removedItem)

Parameters

Type	Name	Description
System.Object	removedItem	The corresponding removed item the selection.

UpdateCurrentCell()

Updates the current cell based on the CurrentItem.

Declaration

protected override void UpdateCurrentCell()

Overrides

SelectionControllerBase.UpdateCurrentCell()