wondering if there is anyway to get custom window frame and client size, as well as shape and color.

i know there is WM_NCCALCSIZE, WM_NCCREATE, and WM_NCPAINT.
but it seems to be mysterious, and there is no good documentation for these. (not msdn nor the old win32 help file)

and no matter what/how i try to handle them properly, it just crash or does nothing. (with exception for WM_NCPAINT seems to work but after window is resized or moved it does not)

i also tried using CreateRectRgn while processing the non-client create, but doesnt seem to work. (using private device context)

saw some programs (written using gui libraries) have different shape than the default one. (default is rectangular with rounded corners)

the aim is not to alter window shape completely, nope just to have flat frame (not rounded) and reduced window frame size. (including titlebar/caption)

maybe frame size 1 pixel, and title bar 16 pixels.

ehm never mind, i forgot to set the new window region.

mission accomplished, LOL.