WM_COMMAND
基本用法
WM_COMMAND:
视窗选单:
LOWORD(wParam): 选单id
HIWORD(wParam): 0
lParam: 0
LOWORD(wParam): 控制项ID
HIWORD(wParam): 通知码
lParam: 子视窗句柄。
解释示例
WM_COMMAND (上文翻译)
The WM_COMMAND message is sent when the user selects a command item from a menu, when a control sends a notification message to its parent window, or when an accelerator keystroke is translated.
A window receives this message through its WindowProc function.
视窗通过WindowProc函式收到此讯息。
LRESULT CALLBACK WindowProc(
HWND hwnd // handle to window
UINT uMsg // WM_COMMAND
WPARAM wParam // notification code and identifier
LPARAM lParam // handle to control (HWND)
);
LRESULT CALLBACK WindowProc(
HWND hwnd // 视窗句柄
UINT uMsg // WM_COMMAND
WPARAM wParam // notification code and identifier 讯息
LPARAM lParam // handle to control (HWND) 控制项id
);
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