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syskEyDown

联系:都属于键盘按下的时消息; 区别:WM_KEYDOWN表示普通按键消息,WM_SYSKEYDOWN表示系统按键消息(这里指按下了ALT键)

http://msdn.microsoft.com/en-us/library/ms646267(VS.85).aspxKEYDOWN和KEYUP好像并不要求成对出现,不过KEYUP肯定得出现一次(KEYDOWN可以多次)(\"Key-up and key-down messages typically occur in pairs, but if the user holds down a ke...

Public Const WM_KEYDOWN = &H100Public Const WM_SYSKEYDOWN = &H104Public Const WM_SYSKEYUP = &H105 Public Declare Function PostMessage Lib "user32" ...

当系统键被按下时产生WM_ SYSKEYDOWN消息,当系统键被释放时产生WM_SYSKEYUP消息。 Aft键与其他键形成的组合键通常用于对程序菜单和系统菜单进行选择,或用于在不同...

当GetMessage函数捕获一个WM_SYSKEYDOWN消息或 WM_KEYDOWN消息后,TranslateMessage函数判断产生该消息的键是否能够被转换成字符消息,如果能,就将该消息转换成字符消息,...

if (OnKeyDownEvent != null && (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN)) { Keys keyData = (Keys)MyKeyboardHookStruct.vkCode; KeyEventArgs...

PostMessage(hWnd,WM_SYSKEYDOWN,VK_MENU,0); PostMessage(hWnd,WM_SYSKEYDOWN,0x41,0); Sleep(50); PostMessage(hWnd,WM_SYSKEYUP,0x41,0); ...

当系统键被按下时产生WM_ SYSKEYDOWN消息,当系统键被释放时产生WM_SYSKEYUP消息。 Aft键与其他键形成的组合键通常用于对程序菜单和系统菜单进行选择,或用于在不同...

如果是系统级的击键就再用WM_SYSKEYDOWN或者WM_SYSKEYUP试试看. 另外,我记得WM_KEYDOWN的LPARAM也不应该是0,不过记不大清楚了,查API帮助应该有更详细...

'函数申明 Private Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal Scan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long) Const KEYEVENTF_KEYUP = &H2 '释放按键常数 '回车键例子 Private Sub Command1_Click()...

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