Yes. After a lot of searching, I found the article “Floating Controls, tooltip-style”, which uses WndProc
to change the message from WM_NCHITTEST
to HTTRANSPARENT
, making the Control
transparent to mouse events.
To achieve that, create a control inherited from Label
and simply add the following code.
protected override void WndProc(ref Message m)
{
const int WM_NCHITTEST = 0x0084;
const int HTTRANSPARENT = (-1);
if (m.Msg == WM_NCHITTEST)
{
m.Result = (IntPtr)HTTRANSPARENT;
}
else
{
base.WndProc(ref m);
}
}
I have tested this in Visual Studio 2010 with .NET Framework 4 Client Profile.