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[REBOL] Cool API Function (Carl?)

From: tbrownell::yahoo::com at: 2-Feb-2003 15:22

The Windows SetLayeredWindowsAttributes API call would be an important addition to any /view GUI builder. Imagine funky /view skins like media player, winamp etc. All this is possible but.. I can't get my head around this... I'm not all that familiar with c structs etc. and trying to convert VB or C++ API sample code to Rebol is a bit confusing at times. Burt wrote; Well, I am not sure if everything else is correct about your code sample but it appears you are missing a necessary step: To have a dialog box come up as a translucent window, first create the dialog as usual. Then, on WM_INITDIALOG <>, set the layered bit of the window's extended style and call SetLayeredWindowAttributes <> with the desired alpha value. The code might look like this: // Set WS_EX_LAYERED on this window SetWindowLong(hwnd, GWL_EXSTYLE, GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_LAYERED); // Make this window 70% alpha SetLayeredWindowAttributes(hwnd, 0, (255 * 70) / 100, LWA_ALPHA); (you can get to this doc by clicking the using layered windows link on the API page you provided a link to (and then click the same link on that page again to get to the above doc) HTH, Burt Terry Brownell wrote: