WIN32 transparent static of API programming

CreateWindow can create a STAITC directly, but this static is opaque, if we set the window background to Gray_brush, then static will obviously have a white background, generally this is certainly very difficult to see.

You can set a ws_ex_transparent extension property for static, and then intercept the wm_ctlcolorstatic message in the message callback function, dealing with textcolor and Bkmode, which is the text color and background mode:

To set extended properties:

1 SetWindowLong (hstatic,gwl_exstyle,ws_ex_transparent);

Handling Wm_ctlcolorstatic Messages

1  Case wm_ctlcolorstatic: 2         HDC = (hdc) WParam; 3         SetTextColor (hdc, RGB (000)); 4         SetBkMode (hdc, TRANSPARENT); 5         return (LRESULT) Getstockobject (Null_brush);

This allows the static control to be transparent.

WIN32 transparent static of API programming