Class VirtualGridSelection

Represents a class that stores the selection in RadVirtualGrid.

Inheritance
System.Object
VirtualGridSelection
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.GridView.dll

Syntax

public class VirtualGridSelection

Constructors

VirtualGridSelection()

Initializes a new instance of the VirtualGridSelection class.

Declaration
public VirtualGridSelection()

Properties

CurrentColumnIndex

Gets the index of the current column.

Declaration
public int CurrentColumnIndex { get; }
Property Value
System.Int32

CurrentRowIndex

Gets the index of the current row.

Declaration
public int CurrentRowIndex { get; }
Property Value
System.Int32

CurrentViewInfo

Gets the current view info.

Declaration
public VirtualGridViewInfo CurrentViewInfo { get; }
Property Value
VirtualGridViewInfo

HasSelection

Gets a value indicating whether there are selected cells.

Declaration
public bool HasSelection { get; }
Property Value
System.Boolean

MaxColumnIndex

Gets the column index of the row where the current selection ends.

Declaration
public int MaxColumnIndex { get; }
Property Value
System.Int32

MaxRowIndex

Gets the row index of the row where the current selection ends.

Declaration
public int MaxRowIndex { get; }
Property Value
System.Int32

MinColumnIndex

Gets the column index of the row where the current selection starts.

Declaration
public int MinColumnIndex { get; }
Property Value
System.Int32

MinRowIndex

Gets the row index of the row where the current selection starts.

Declaration
public int MinRowIndex { get; }
Property Value
System.Int32

Multiselect

Gets or sets a value indicating whether multiple cells can be selected simultaneously.

Declaration
public bool Multiselect { get; set; }
Property Value
System.Boolean

SelectedRegion

Gets the current selected region.

Declaration
public SelectionRegion SelectedRegion { get; }
Property Value
SelectionRegion

SelectedRegions

Gets all selected regions.

Declaration
public IEnumerable<SelectionRegion> SelectedRegions { get; }
Property Value
System.Collections.Generic.IEnumerable<SelectionRegion>

SelectionMode

Gets or sets a value indicating how cells are selected.

Declaration
public VirtualGridSelectionMode SelectionMode { get; set; }
Property Value
VirtualGridSelectionMode

Methods

AddSelectedRegions(SelectionRegion)

Adds a new SelectionRegion to the selection.

Declaration
public void AddSelectedRegions(SelectionRegion selectionRegion)
Parameters
SelectionRegion selectionRegion

The selection region to add.

BeginSelection(Int32, Int32, VirtualGridViewInfo, Boolean)

Begins a new selection operation.

Declaration
public void BeginSelection(int rowIndex, int columnIndex, VirtualGridViewInfo viewInfo, bool keepSelection)
Parameters
System.Int32 rowIndex

The row index of the cell to begin the selection from.
System.Int32 columnIndex

The column index of the cell to begin the selection from.
VirtualGridViewInfo viewInfo

The view info of the cell to begin the selection from.
System.Boolean keepSelection

Determines whether old selection should be kept or discarded.

ClearSelectedRegions()

Removes all SelectionRegions.

Declaration
public void ClearSelectedRegions()

ClearSelection()

Clears all selected cells.

Declaration
public void ClearSelection()

ColumnContainsSelection(Int32, VirtualGridViewInfo)

Returns a value indicating whther the provided column has selected cells in it.

Declaration
public bool ColumnContainsSelection(int columnIndex, VirtualGridViewInfo viewInfo)
Parameters
System.Int32 columnIndex

The column index.
VirtualGridViewInfo viewInfo

The view info of the row.
Returns
System.Boolean

ExtendCurrentRegion(Int32, Int32)

Extends the current selection region to the provided cell.

Declaration
public void ExtendCurrentRegion(int rowIndex, int columnIndex)
Parameters
System.Int32 rowIndex

The cell row index.
System.Int32 columnIndex

The cell column index.

IsSelected(Int32, Int32, VirtualGridViewInfo)

Returns a value indicating whether the provided cell is selected.

Declaration
public bool IsSelected(int rowIndex, int columnIndex, VirtualGridViewInfo viewInfo)
Parameters
System.Int32 rowIndex

The row index of the cell.
System.Int32 columnIndex

The column index of the cell.
VirtualGridViewInfo viewInfo

The view info of the cell.
Returns
System.Boolean

OnSelectionChanged()

Fires the SelectionChanged event.

Declaration
protected virtual void OnSelectionChanged()

OnSelectionChanging(VirtualGridSelectionChangingEventArgs)

Fires the SelectionChanging event.

Declaration
protected virtual void OnSelectionChanging(VirtualGridSelectionChangingEventArgs args)
Parameters
VirtualGridSelectionChangingEventArgs args

RowContainsSelection(Int32, VirtualGridViewInfo)

Returns a value indicating whther the provided row has selected cells in it.

Declaration
public bool RowContainsSelection(int rowIndex, VirtualGridViewInfo viewInfo)
Parameters
System.Int32 rowIndex

The row index.
VirtualGridViewInfo viewInfo

The view info of the row.
Returns
System.Boolean

SelectAll()

Selects all cells in the grid.

Declaration
public void SelectAll()

Events

SelectionChanged

Occurs after the selection of the grid is changed.

Declaration
public event EventHandler SelectionChanged
Event Type
System.EventHandler

SelectionChanging

Occurs before the selection of the grid is changed.

Declaration
public event VirtualGridSelectionChangingEventHandler SelectionChanging
Event Type
VirtualGridSelectionChangingEventHandler

Extension Methods