public static ToolStripItem GetItemAtDeep(this ToolStrip toolstrip, Point screenPos)
{
if (!toolstrip.Visible)
{
return(null);
}
Point toolStripLocalPos = toolstrip.PointToClient(screenPos);
ToolStripItem item = toolstrip.GetItemAt(toolStripLocalPos);
if (item != null)
{
return(item);
}
ToolStripDropDownItem dropItem = toolstrip.GetActiveDropDown();
if (dropItem != null)
{
return(dropItem.DropDown.GetItemAtDeep(screenPos));
}
return(null);
}