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How to increase the column width of the rowheader in WinForms GridGroupingControl?

Platform: WinForms |
Control: GridGroupingControl |
Published Date: September 9, 2015 |
Last Revised Date: December 31, 2019
Tags: rowheader, header

Column width of rowheader

The column width of the RowHeaders can be increased, based on its values in the GridGroupingControl, through the QueryColWidth event. The change of row header width is used in the NumberedRowHeaders. The following code example demonstrates the same.

C#

//Increases the ColWidth of the NumberedRowHeader.this.gridGroupingControl1.TableModel.QueryColWidth += TableModel_QueryColWidth;
void TableModel_QueryColWidth(object sender, GridRowColSizeEventArgs e) 
{   
if(e.Index ==0)
{
     //Increases the RowHeader width based on digit count.
     e.Size = 30;
     e.Handled = true;
   }}

 

VB

'Increases the ColWidth of the NumberedRowHeader.
Private Me.gridGroupingControl1.TableModel.QueryColWidth += AddressOf TableModel_QueryColWidth
Private Sub TableModel_QueryColWidth(ByVal sender As Object, ByVal e As GridRowColSizeEventArgs)
  If e.Index =0 Then
     'Increases the RowHeader width based on digit count.
     e.Size = 30
     e.Handled = True
  End If
End Sub

 

The following images show the column width of the RowHeaders before and after the increase.

Before using QueryColWidth event

Figure 1: Before using the QueryColWidth event

 

After using QueryColWidth event

Figure 2: After using the QueryColWidth event

Samples:

C#: http://www.syncfusion.com/downloads/support/directtrac/general/CS737315718.zip

VB: http://www.syncfusion.com/downloads/support/directtrac/general/VB1023996440.zip

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