/// <summary>
/// Generates a key press event
/// </summary>
/// <param name="vkCode">Virtual code of key</param>
/// <param name="alt">ALT is pressed</param>
/// <param name="ctrl">CTRL is pressed</param>
/// <param name="shift">SHIFT is pressed</param>
public void KeyPress(Keys vkCode, bool alt, bool ctrl, bool shift)
{
USER32.INPUT[] inputs = new USER32.INPUT[2];
USER32.INPUT si = new USER32.INPUT();
si.type = USER32.INPUTFlags.INPUT_KEYBOARD;
si.ki = new USER32.KEYBDINPUT();
si.ki.wVk = (ushort)vkCode;
si.ki.wScan = (ushort)USER32.MapVirtualKey((ushort)vkCode, USER32.MapType.MAPVK_VK_TO_VSC);
si.ki.time = 0;
si.ki.dwFlags = 0;
//si.ki.dwExtraInfo = USER32.GetMessageExtraInfo();
inputs[0] = si;
si = new USER32.INPUT();
si.type = USER32.INPUTFlags.INPUT_KEYBOARD;
si.ki = new USER32.KEYBDINPUT();
si.ki.wVk = (ushort)vkCode;
si.ki.wScan = (ushort)USER32.MapVirtualKey((ushort)vkCode, USER32.MapType.MAPVK_VK_TO_VSC);
si.ki.time = 0;
si.ki.dwFlags = (uint)USER32.INPUTFlags.KEYEVENTF_KEYUP;
//si.ki.dwExtraInfo = USER32.GetMessageExtraInfo();
inputs[1] = si;
USER32.SendInput(2, inputs, Marshal.SizeOf(si));
// ALTERNATE:
//this.KeyDown(vkCode);
//this.KeyUp(vkCode);
}
/// <summary>
/// Generates a key up event
/// </summary>
/// <param name="vkCode">Virtual code of key</param>
public void KeyUp(Keys vkCode)
{
USER32.INPUT[] inputs = new USER32.INPUT[1];
USER32.INPUT si = new USER32.INPUT();
si.type = USER32.INPUTFlags.INPUT_KEYBOARD;
si.ki = new USER32.KEYBDINPUT();
si.ki.wVk = (ushort)vkCode;
si.ki.wScan = (ushort)(USER32.MapVirtualKey((ushort)vkCode, USER32.MapType.MAPVK_VK_TO_VSC) | (ushort)(this.IsExtendedKey(vkCode) ? 0x100 : 0)); // Set Extended Bit
si.ki.time = 0;
si.ki.dwFlags = (uint)USER32.INPUTFlags.KEYEVENTF_KEYUP | (this.IsExtendedKey(vkCode) ? (uint)USER32.INPUTFlags.KEYEVENTF_EXTENDEDKEY : 0);
si.ki.dwExtraInfo = USER32.GetMessageExtraInfo();
inputs[0] = si;
USER32.SendInput(1, inputs, Marshal.SizeOf(si));
}
