Owner-draw icon buttons in plain C (no MFC)

纯C语言开发的图标/图片按钮源代码

2008年01月17日

C++, C, VC7, Windows, WinXP, VS, MFC, VS.NET2003, Dev

这个图标/图片按钮是用纯C语言开发的，而不是MFC；MFC确实提供了很多的类供大家使用，不过，如果你在使用Win32的API呢？这个程序中使用了字体font, 绘制形状shape, 绘制边edge, 绘制颜色color, 使用刷子brush 和钢笔pen完成。

相关知识

switch(message) {
    case WM_DRAWITEM:
        pdis = (DRAWITEMSTRUCT*) lParam;
        switch(pdis->CtlID) {
            case IDC_LEVELUPBUTTON:
                // Fall through (you would use a "break" otherwise):

            case IDC_LEVELDNBUTTON:
                iResult = myManageOwnerDrawIconButton(pdis, hInst);
                if (RET_OK != iResult) return(FALSE);
                break;
            default:
                break;
        }
        return(TRUE);
// ...

源代码原文下载：

Owner-draw icon buttons in plain C (no MFC) Although Windows has a really cool GUI, sometimes the way standard buttons look quite does not meet our requirements. We may then choose buttons with a style called "owner-draw". The owner has to draw the button in every aspect (background, border, text, image) of every situation that requires drawing (click, enable, focus, etc.).It took me days to come up with something functional, Now here is some simple, reliable code: if it proves useful I will write something about owner-draw buttons with text (dealing with fonts, shapes, edges, colorrefs, brushes and pens).

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