protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if ((e.Button & MouseButtons.Left) > 0)
{
if ((!LockPopupInvoke) && TreeViewBoxPopupForm == null)
{
InvokeDropDown(EventArgs.Empty);
TreeViewBoxPopupForm = new StiTreeViewBoxPopupForm(this);
TreeViewBoxPopupForm.ClosePopup += new EventHandler(OnClosePopup);
Rectangle rect = this.RectangleToScreen(this.ClientRectangle);
int cbWidth = DropDownWidth;
if (cbWidth < this.Width)
{
cbWidth = this.Width;
}
TreeViewBoxPopupForm.SetLocation(rect.Left, rect.Top + this.Height + 1, cbWidth, this.MaxDropDownHeight);
StiTreeNodesFillEventArgs ea = new StiTreeNodesFillEventArgs(
TreeViewBoxPopupForm.tvNodes.Nodes,
TreeViewBoxPopupForm.tvNodes);
InvokeTreeNodesFill(ea);
TreeViewBoxPopupForm.ShowPopupForm();
InvokeDropDown(EventArgs.Empty);
}
else
{
LockPopupInvoke = false;
}
}
}
private void OnClosePopup(object sender, EventArgs e)
{
if (TreeViewBoxPopupForm != null)
{
InvokeDropUp(e);
TreeViewBoxPopupForm.Dispose();
TreeViewBoxPopupForm = null;
}
}
