I don't agree with you because, if the application don't call this with
the HTCAPTION parameter
PostMessage( WM_NCLBUTTONDOWN, HTCAPTION, MAKELPARAM( point.x,
point.y));
but with HTLEFT, HTRIGHT ... the WM must resize the window I think.
I wondered first if MWM_FUNC_RESIZE should be added but I think it is
correct.
If WS_THICKFRAME style is not set, then a window is not supposed to be
resized by WM, that's the point. SetWindowPos still will be able to resize
a window.
--
Dmitry.