消息的顺序

最新推荐文章于 2024-12-20 22:20:34 发布

daojin505

最新推荐文章于 2024-12-20 22:20:34 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/daojin505/article/details/76812336

本文记录了一个应用程序在不同操作下（如窗口重绘、调整大小及移动等）所触发的Windows消息及其处理流程。通过详细的时间戳和消息类型，揭示了WM_NCPAINT、WM_ERASEBKGND、WM_PAINT等消息的发送顺序，对于理解Windows应用程序的行为非常有用。

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消息的顺序

01:30:46 			WM_NCPAINT	 Begin
01:30:46 			WM_NCPAINT	 End
01:30:46 			WM_ERASEBKGND	 Begin
01:30:46 			WM_ERASEBKGND	 End
01:30:46 			CTLCOLOR_BTN	 Begin
01:30:46 			CTLCOLOR_BTN	 End
01:30:46 			WM_PAINT	 Begin
01:30:46 			WM_PAINT	 End

客户区拖大：

01:36:44 	WM_SYSCOMMAND	 Begin
01:36:44 		WM_NCCALCSIZE	 Begin
01:36:44 		WM_NCCALCSIZE	 End
01:36:44 		WM_NCPAINT	 Begin
01:36:44 		WM_NCPAINT	 End
01:36:44 		WM_ERASEBKGND	 Begin
01:36:44 		WM_ERASEBKGND	 End
01:36:44 		WM_SIZE	 Begin
01:36:44 		WM_SIZE	 End
01:36:44 	WM_SYSCOMMAND	 End
01:36:44 	WM_PAINT	 Begin
01:36:44 		WM_PAINT	 Begin
01:36:44 		WM_PAINT	 End
01:36:44 	WM_PAINT	 End

移动：

01:43:37 	WM_NCACTIVATE	 Begin
01:43:37 	WM_NCACTIVATE	 End
01:43:37 	WM_ACTIVATE	 Begin
01:43:37 	WM_ACTIVATE	 End
01:43:37 	WM_SYSCOMMAND	 Begin
01:43:39 		CTLCOLOR_BTN	 Begin
01:43:39 		CTLCOLOR_BTN	 End
01:43:39 	WM_SYSCOMMAND	 End