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覆巢之下焉有完卵。出来道上混,迟早是要还的。

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取得备内容句柄的方法

2011-02-13 16:06:51| 分类： VC++ | 标签： |举报 |字号大中小订阅

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最常用的取得并释放设备内容句柄的方法是，在处理WM_PAINT消息时，使用BeginPaint和EndPaint呼叫

hdc = BeginPaint (hwnd, &ps) ;
        
其它行程序
        
EndPaint (hwnd, &ps) ;

Windows程序还可以在处理非WM_PAINT消息时取得设备内容句柄：

hdc = GetDC (hwnd) ;

其它行程序

ReleaseDC (hwnd, hdc) ;

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<#-- 网易新闻广告 --> <#--右边模块结构--> <#--评论模块结构--> <#--引用模块结构--> <#--博主发起的投票-->

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