How to use shortcut Ctrl+A for select all cells in WinForms GridGroupingControl?

Shortcut key for selectall

By default, WinForms GridGroupingControl does not have the support for selecting the whole table while pressing Ctrl + A key. It can be achieved by overriding the ProcessCmdKey method of form and Selections property of the GridGroupingControl.

protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
    if (keyData == (Keys.Control | Keys.A))
    {
        // Select all cells in the table
        this.gridGroupingControl1.TableControl.Selections.Add(GridRangeInfo.Table());

        // Set the AllowSelection property
        this.gridGroupingControl1.TableOptions.AllowSelection =
            Syncfusion.Windows.Forms.Grid.GridSelectionFlags.None |
            Syncfusion.Windows.Forms.Grid.GridSelectionFlags.AlphaBlend;

        return true;
    }

    return base.ProcessCmdKey(ref msg, keyData);
}

Protected Overrides Function ProcessCmdKey(ByRef msg As Message, ByVal keyData As Keys) As Boolean
    If keyData = (Keys.Control Or Keys.A) Then
 
        Me.gridGroupingControl1.TableControl.Selections.Add(GridRangeInfo.Table())
        'Sets the AllowSelection property to None
        Me.gridGroupingControl1.TableOptions.AllowSelection = Syncfusion.Windows.Forms.Grid.GridSelectionFlags.None Or Syncfusion.Windows.Forms.Grid.GridSelectionFlags.AlphaBlend
 
        Return True
    End If
    Return MyBase.ProcessCmdKey(msg, keyData)
End Function

The screenshot below illustrates how to select all cells using a shortcut key.

selected all cells in GridGroupingContorl

Sample: Select All Cells

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How to use shortcut Ctrl+A for select all cells in WinForms GridGroupingControl?

Shortcut key for selectall

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