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BeginPaint
accept
AdjustWindowRect
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Arc
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BeginPaint
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EndDialog
EndPaint
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WinMain
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WM_QUIT
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BeginPaint
BeginPaint 函数准备绘制窗口,并且填充关于绘制方面的
PAINTSTRUCT
结构体信息。
函数原型:
HDC
BeginPaint(
HWND
hwnd,
LPPAINTSTRUCT
lpPaint );
参数
hwnd
类型:
HWND
需要重绘的窗口句柄。
lpPaint
类型:
LPPAINTSTRUCT
将要接收信息的
PAINTSTRUCT
结构体指针。LPPAINTSTRUCT 即
PAINTSTRUCT
*。
返回值
类型:
HDC
如果函数成功,返回设备环境句柄。
如果函数失败,返回NULL,表示没有设备环境可用。
备注
BeginPaint返回的设备环境句柄,就及时调用
EndPaint
结束绘制。一般用来响应
WM_PAINT
消息。
支持
最低桌面系统支持
Windows 2000 Professional
头文件
Winuser.h (已包含在Windows.h中)
库
User32.lib
DLL
User32.dll
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