private object findControl(int x, int y)
{
//Point newPoint = this.PointToScreen(new Point(x, y));
//POINT windowPoint = POINT.FromPoint(newPoint);
POINT windowPoint = new POINT(x, y);
IntPtr found = NativeUtils.WindowFromPoint(windowPoint);
// we have a valid window handle
if (found != IntPtr.Zero)
{
// give it another try, it might be a child window (disabled, hidden .. something else)
// offset the point to be a client point of the active window
if (NativeUtils.ScreenToClient(found, ref windowPoint))
{
// check if there is some hidden/disabled child window at this point
IntPtr childWindow = NativeUtils.ChildWindowFromPoint(found, windowPoint);
if (childWindow != IntPtr.Zero)
{ // great, we have the inner child
found = childWindow;
}
}
object c = Control.FromHandle(found);
/*if (c is MenuStrip)//MenuStrip继承自ToolStrip
* {
* MenuStrip m = c as MenuStrip;
* c = m.GetItemAt(windowPoint.ToPoint());
* }
* else*/if (c is ToolStripDropDownMenu)
{
ToolStripDropDownMenu m = c as ToolStripDropDownMenu;
c = m.GetItemAt(windowPoint.ToPoint());
}
else if (c is ToolStrip)
{
ToolStrip m = c as ToolStrip;
c = m.GetItemAt(windowPoint.ToPoint());
}
return(c);
}
else
{
return(null);
}
}
protected override void WndProc(ref Message m) {
if (m.Msg == 0x202&&!letClicked) {//WM_LBUTTONUP = 0x202
int x = m.LParam.ToInt32() & 0x00ff;
int y = m.LParam.ToInt32() >> 16;
ToolStripItem item = ts.GetItemAt(new Point(x, y));
//check if the first item (the Print Button) is clicked
if (item != null && ts.Items.IndexOf(item) == 0) {
if (MessageBox.Show("Do you want to print?", "Print confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
return;//discard message
else {
letClicked = true;
item.PerformClick();
}
}
}
base.WndProc(ref m);
if (letClicked) letClicked = false;
}
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);
}
public static ToolStripItem GetItemAtDeep(this ToolStrip t, Point screenPos)
{
if (!t.Visible)
{
return(null);
}
Point toolStripLocalPos = t.PointToClient(screenPos);
ToolStripItem item = t.GetItemAt(toolStripLocalPos);
if (item != null)
{
return(item);
}
ToolStripDropDownItem dropItem = t.Items.OfType <ToolStripDropDownItem>().FirstOrDefault(i => i.DropDown.Visible);
if (dropItem != null)
{
return(dropItem.DropDown.GetItemAtDeep(screenPos));
}
return(null);
}
private void mainToolStrip_MouseEnter(object sender, EventArgs e)
{
ToolStrip ts = ((ToolStrip)sender);
ToolStripButton tsb = (ToolStripButton)ts.GetItemAt(395, 792);
}
