C#并非所有键盘事件都能正确重播
C#并非所有键盘事件都能正确重播
提问于 2009-09-09 18:32:57
我正在为验证工程师编写一个工具，以便在尝试重现失败时记录会话交互。它创建了一段桌面视频，我将键盘和鼠标挂在C#上，以记录它们与操作系统的交互。这些事件被序列化到一个文件中，以便稍后读入。我使用SendInput重播鼠标和键盘事件。
除了重放剪切和粘贴交互之外，所有的东西都运行得很好。CTRL-Insert SHIFT-Insert
有人知道我做错了什么吗？
我的钩子代码：
// if it's a keyboard event
{
Keys keyData = (Keys)MyKeyboardHookStruct.vkCode;
KeyEventArgs e = new KeyEventArgs(keyData);
MyKeyEventArgs akea = new MyKeyEventArgs();
akea.ExtraInfo = GetMessageExtraInfo();
akea.Code = wParam;
akea.KeyArgs = e;
KeyDown(this, akea); // call to my event handler
}我的SendInput代码
// if it's a keyboard event
{
case KeyBoardHook.WM_KEYUP:
tssKeyPress.Text = hec.KeyCode.ToString() + " Up";
mi.mkhi.mi.dwExtraInfo = hec.ExtraInfo;
k.mkhi.ki.dwFlags = KEYEVENTF_KEYUP;
if (
((int)hec.KeyCode >= (int)VK.VK_PRIOR && (int)hec.KeyCode <= (int)VK.VK_DELETE) ||
((int)hec.KeyCode >= (int)VK.VK_LWIN && (int)hec.KeyCode <= (int)VK.VK_APPS) ||
((int)hec.KeyCode >= (int)VK.VK_SPACE && (int)hec.KeyCode <= (int)VK.VK_HELP) ||
((int)hec.KeyCode >= (int)VK.VK_SHIFT && (int)hec.KeyCode <= (int)VK.VK_MENU)
)
{
k.mkhi.ki.dwFlags += KEYEVENTF_EXTENDEDKEY;
}
k.mkhi.ki.wVk = (ushort)hec.KeyCode;
k.mkhi.ki.wScan = 0;
//k.mkhi.mi.wScan = (short)hec.KeyData;
k.mkhi.mi.time = 0;
SendInput(1, ref k, Marshal.SizeOf(k));
break;
case KeyBoardHook.WM_KEYDOWN:
tssKeyPress.Text = hec.KeyCode.ToString() + " Down";
k.mkhi.ki.time = 0;
k.mkhi.ki.dwExtraInfo = IntPtr.Zero;
if (
((int)hec.KeyCode >= (int)VK.VK_PRIOR && (int)hec.KeyCode <= (int)VK.VK_DELETE ) ||
((int)hec.KeyCode >= (int)VK.VK_LWIN && (int)hec.KeyCode <= (int)VK.VK_APPS) ||
((int)hec.KeyCode >= (int)VK.VK_SPACE && (int)hec.KeyCode <= (int)VK.VK_HELP) ||
((int)hec.KeyCode >= (int)VK.VK_SHIFT && (int)hec.KeyCode <= (int)VK.VK_MENU)
)
{
k.mkhi.ki.dwFlags += KEYEVENTF_EXTENDEDKEY;
}
k.mkhi.ki.dwFlags = 0;
k.mkhi.ki.wVk = (ushort)hec.KeyCode;
k.mkhi.ki.wScan = 0;
//k.mkhi.mi.wScan = (short)hec.KeyData;
SendInput(1, ref k, Marshal.SizeOf(k));
break;
}回答 1
Stack Overflow用户
发布于 2009-09-10 17:01:48
以下是我重放键盘的有效解决方案：
case KeyBoardHook.WM_KEYUP:
tssKeyPress.Text = hec.KeyCode.ToString() + " Up";
k.mkhi.mi.dwExtraInfo = hec.ExtraInfo;
k.mkhi.ki.dwFlags = KEYEVENTF_KEYUP;
SetExtendedFlag( hec.KeyCode, ref k );
k.mkhi.ki.wScan = 0;
k.mkhi.mi.time = 0;
SendInput(1, ref k, Marshal.SizeOf(k));
break;
case KeyBoardHook.WM_KEYDOWN:
tssKeyPress.Text = hec.KeyCode.ToString() + " Down";
k.mkhi.mi.dwExtraInfo = hec.ExtraInfo;
k.mkhi.ki.time = 0;
k.mkhi.ki.dwFlags = 0;
SetExtendedFlag( hec.KeyCode, ref k );
k.mkhi.ki.wScan = 0;
SendInput(1, ref k, Marshal.SizeOf(k));
break;
private void SetExtendedFlag(Keys keys, ref INPUT k )
{
k.mkhi.ki.wVk = (ushort)keys;
if (((int)keys == (int)VK.VK_LSHIFT && (int)keys == (int)VK.VK_RSHIFT))
{
k.mkhi.ki.wVk = (ushort)VK.VK_SHIFT;
}
if (((int)keys == (int)VK.VK_LCONTROL && (int)keys == (int)VK.VK_RCONTROL))
{
k.mkhi.ki.wVk = (ushort)VK.VK_CONTROL;
}
if (((int)keys == (int)VK.VK_LMENU && (int)keys == (int)VK.VK_RMENU))
{
k.mkhi.ki.wVk = (ushort)VK.VK_MENU;
}
switch ((int)keys)
{
case((int) VK.VK_RMENU):
case ((int)VK.VK_RCONTROL):
case ((int)VK.VK_INSERT):
case ((int)VK.VK_DELETE):
case ((int)VK.VK_LEFT):
case ((int)VK.VK_HOME):
case ((int)VK.VK_END):
case ((int)VK.VK_UP):
case ((int)VK.VK_DOWN):
case ((int)VK.VK_PRIOR):
case ((int)VK.VK_NEXT):
case ((int)VK.VK_RIGHT):
case ((int)VK.VK_LWIN):
case ((int)VK.VK_RWIN):
case ((int)VK.VK_APPS):
case ((int)VK.VK_SLEEP):
k.mkhi.ki.dwFlags |= KEYEVENTF_EXTENDEDKEY;
break;
}
}我现在可以使用CTRL-INSERT和SHIFT-INSERT成功地重放复制、剪切和粘贴。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/1401315
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