private void ProcessInRowHeaderMouseDown(GridPanel panel)
{
if (panel.TopLeftHeaderSelectBehavior != TopLeftHeaderSelectBehavior.NoSelection)
{
bool select = (_SelectAllCount != panel.SelectionUpdateCount);
if (select == true)
{
if (panel.MultiSelect == true)
{
panel.SelectAll();
}
else if (panel.ActiveRow != null)
{
panel.ClearAll();
panel.ActiveRow.IsSelected = true;
}
}
else
{
panel.ClearAll();
}
if (select == true)
_SelectAllCount = panel.SelectionUpdateCount;
}
}