How to clear mouse click buffer

We may use the following code to clear k开发者_高级运维eyboard buffer:

while PeekMessage(Msg, 0, WM_KEYFIRST, WM_KEYLAST, PM_REMOVE or PM_NOYIELD) do;

But how may I clear mouse click buffer?

I got it:

while PeekMessage(Msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE or PM_NOYIELD) do;