ナレッジベース

Imports GrapeCity.Win.MultiRow

Private Sub GcMultiRow1_EditingControlShowing(ByVal sender As System.Object, ByVal e As EditingControlShowingEventArgs) Handles GcMultiRow1.EditingControlShowing
　　If TypeOf e.Control Is ComboBoxEditingControl OrElse TypeOf e.Control Is DateTimePickerEditingControl Then
　　　　RemoveHandler e.Control.KeyDown, AddressOf Me.Control_KeyDown
　　　　AddHandler e.Control.KeyDown, AddressOf Me.Control_KeyDown
　　End If
End Sub

Private Sub Control_KeyDown(ByVal sender As System.Object, ByVal e As KeyEventArgs)
　　If e.KeyCode = Keys.F4 Then
　　　　e.Handled = True
　　End If
End Sub

using GrapeCity.Win.MultiRow;

private void gcMultiRow1_EditingControlShowing(object sender, EditingControlShowingEventArgs e)
{
　　if (e.Control is ComboBoxEditingControl || e.Control is DateTimePickerEditingControl)
　　{
　　　　e.Control.KeyDown -= new KeyEventHandler(Control_KeyDown);
　　　　e.Control.KeyDown += new KeyEventHandler(Control_KeyDown);
　　}
}

private void Control_KeyDown(object sender, KeyEventArgs e)
{
　　if (e.KeyCode == Keys.F4)
　　　　e.Handled = true;
}