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How to prevent column resizing for child tables in WinForms GridGroupingControl?

Platform: WinForms |
Control: GridGroupingControl |
Published Date: April 30, 2011 |
Last Revised Date: February 12, 2020

Column resizing

To prevent the resize of GridGroupingControl's child table or grandchild table's columns, handle the TableControlResizingColumns event of the grid. In the event handler, check for the e.TableDescriptor.Name and cancel the event by setting the e.Cancel to true. The following code example cancels the resizing of the Child table.

C#

void gridGroupingControl1_TableControlResizingColumns(object sender, GridTableControlResizingColumnsEventArgs e)
{
    // To prevent resizing columns for all childtables
    if (this.gridGroupingControl1.TableDescriptor.Name != e.TableControl.TableDescriptor.Name)
    {
        e.Inner.Cancel = true;
    }
    // To prevent resizing columns for particular childtable
    if (e.TableControl.TableDescriptor.Name == "ChildTable")
    {
        e.Inner.Cancel = true;
    }
}

VB

Private Sub gridGroupingControl1_TableControlResizingColumns(ByVal sender As Object, ByVal e As GridTableControlResizingColumnsEventArgs)
    ' To prevent resizing columns for all childtables
    If Me.gridGroupingControl1.TableDescriptor.Name <> e.TableControl.TableDescriptor.Name Then
        e.Inner.Cancel = True
    End If
    ' To prevent resizing columns for particular childtable
    If e.TableControl.TableDescriptor.Name = "ChildTable" Then
        e.Inner.Cancel = True
    End If
End Sub

Samples:

C#: Resizing_columns_in_childtable

VB: Resizing_columns_in_childtable

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