protected override void OnMouseDragBegin(int x, int y)
{
if (canParentProvider.CanDropFromSelectedToolboxItem(null, true))
{
if (ModifierPressed(Keys.Alt))
{
//select column
Point pt = tableControl.PointToClient(new Point(x, y));
TableHitTestResult result = tableControl.HitTest(pt);
if (result.Area == TableHitTestArea.OnColumn && result.TableColumn != null)
{
ISelectionService service = (ISelectionService)this.GetService(typeof(ISelectionService));
if (service != null)
{
SelectionTypes selectionType = SelectionTypes.Auto;
service.SetSelectedComponents(new object[] { result.TableColumn }, selectionType);
return;
}
}
}
if (ModifierPressed(Keys.Shift))
{
SelectAttachedControls();
return;
}
base.OnMouseDragBegin(x, y);
}
}
protected override bool GetHitTest(System.Drawing.Point point)
{
bool result = base.GetHitTest(point);
point = tableControl.PointToClient(point);
TableHitTestResult hitTestResult = tableControl.HitTest(point);
if (hitTestResult.Area == TableHitTestArea.OnHeader ||
hitTestResult.Area == TableHitTestArea.OnNonClientArea)
{
result = true;
}
return(result);
}
