public static void SendBackspace(int count)
{
if (count < 1)
{
return;
}
NativeMethods.KEYBOARDINPUT ip = new NativeMethods.KEYBOARDINPUT();
ip.type = NativeMethods.INPUT_KEYBOARD;
ip.dwExtraInfo = 0;
ip.time = 0;
for (int i = 0; i < count; i++)
{
ip.wScan = 255;
ip.dwFlags = 0;
ip.wVk = (ushort)NativeMethods.VK.BACK;
NativeMethods.SendInput(1, new NativeMethods.KEYBOARDINPUT[] { ip }, Marshal.SizeOf(typeof(NativeMethods.KEYBOARDINPUT)));
ip.wScan = 0;
ip.dwFlags = NativeMethods.KEYEVENTF.KEYUP;
ip.wVk = (ushort)NativeMethods.VK.BACK;
NativeMethods.SendInput(1, new NativeMethods.KEYBOARDINPUT[] { ip }, Marshal.SizeOf(typeof(NativeMethods.KEYBOARDINPUT)));
}
}
private static uint SendKeyStrokes(String s)
{
uint cInputs = (uint)s.Length * 2; // need twice for up and down
NativeMethods.KEYBOARDINPUT[] ip = new NativeMethods.KEYBOARDINPUT[cInputs];
for (int i = 0, ii = 0; ii < cInputs; i++, ii++)
{
ip[ii].type = NativeMethods.INPUT_KEYBOARD;
ip[ii].dwExtraInfo = 0xDEADC0DE;
ip[ii].dwFlags = NativeMethods.KEYEVENTF.UNICODE;
ip[ii].time = 0;
ip[ii].wScan = s[i];
ip[ii].wVk = 0;
ii++;
ip[ii].type = NativeMethods.INPUT_KEYBOARD;
ip[ii].dwExtraInfo = 0;
ip[ii].dwFlags = NativeMethods.KEYEVENTF.KEYUP | NativeMethods.KEYEVENTF.UNICODE;
ip[ii].time = 0;
ip[ii].wScan = s[i];
ip[ii].wVk = 0;
}
uint cSent = NativeMethods.SendInput(cInputs, ip, Marshal.SizeOf(typeof(NativeMethods.KEYBOARDINPUT)));
return(cSent / 2);
}
public static uint SendSingleVK(ushort wVk, NativeMethods.KEYEVENTF dwFlags)
{
NativeMethods.KEYBOARDINPUT ip = new NativeMethods.KEYBOARDINPUT();
ip.type = NativeMethods.INPUT_KEYBOARD;
ip.wScan = 0;
ip.dwExtraInfo = 0;
ip.dwFlags = dwFlags;
ip.time = 0;
ip.wVk = wVk;
return(NativeMethods.SendInput(1, new NativeMethods.KEYBOARDINPUT[] { ip }, Marshal.SizeOf(typeof(NativeMethods.KEYBOARDINPUT))));
}
public static uint SendSingleScanCode(ushort scanCode, NativeMethods.KEYEVENTF dwFlags)
{
NativeMethods.KEYBOARDINPUT ip = new NativeMethods.KEYBOARDINPUT();
ip.type = NativeMethods.INPUT_KEYBOARD;
ip.wScan = scanCode;
ip.dwExtraInfo = 0;
ip.dwFlags = dwFlags | NativeMethods.KEYEVENTF.SCANCODE;
if ((scanCode & 0xE000) == 0xE000)
{
ip.dwFlags |= NativeMethods.KEYEVENTF.EXTENDEDKEY;
}
ip.time = 0;
ip.wVk = 0;
return(NativeMethods.SendInput(1, new NativeMethods.KEYBOARDINPUT[] { ip }, Marshal.SizeOf(typeof(NativeMethods.KEYBOARDINPUT))));
}
