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Setting Button Color / Text WinApi WM_CTLCOLORBTN

General and Gameplay Programming Programming

Started by Gink July 21, 2005 01:15 PM

2 comments, last by Verg 18 years, 8 months ago

Gink

100

Author

July 21, 2005 01:15 PM

How would I use WM_CTLCOLORBTN to set the background of a button? I tried using SetBkColor((HDC)wParam,RGB(#,#,#)) in this message but it has no effect. What else do I need to do?

microdot

324

July 21, 2005 01:31 PM

Well, for starters, did you create the button as an owner-drawn button. Processing the WM_CTLCOLORBTN doesn't work if not.

If you haven't done so you might want to read this.

<span class="smallfont">That is not dead which can eternal lieAnd with strange aeons even death may die. -- "The Nameless City" - H. P. Lovecraft</span>

Gink

100

Author

July 21, 2005 01:42 PM

yeah I used BS_OWNERDRAW. Petzolds book says you can do it from WM_COLORBTN but then there is no example of how to do it, although he says you have to use SetBkColor. Ive figured out how to do it with WM_DRAWITEM messages, but not with WM_CTLCOLORBTN.

edit: Ill just use WM_DRAWITEM

Verg

450

July 21, 2005 05:18 PM

When you process WM_CTLCOLORBTN, (in your WndProc, likely) you have to return a handle to a brush (HBRUSH)... the brush you want to paint the button's background with.

my_life:          nop          jmp my_life

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Setting Button Color / Text WinApi WM_CTLCOLORBTN

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