private static bool SendVKeyNative32(int vKey, char? optUnicodeChar, bool bDown)
{
NativeMethods.INPUT32[] pInput = new NativeMethods.INPUT32[1];
pInput[0].Type = NativeMethods.INPUT_KEYBOARD;
if(optUnicodeChar.HasValue && WinUtil.IsAtLeastWindows2000)
{
pInput[0].KeyboardInput.VirtualKeyCode = 0;
pInput[0].KeyboardInput.ScanCode = (ushort)optUnicodeChar.Value;
pInput[0].KeyboardInput.Flags = ((bDown ? 0 :
NativeMethods.KEYEVENTF_KEYUP) | NativeMethods.KEYEVENTF_UNICODE);
}
else // Standard VKey
{
if(optUnicodeChar.HasValue)
vKey = (int)(NativeMethods.VkKeyScan(optUnicodeChar.Value) & 0xFF);
pInput[0].KeyboardInput.VirtualKeyCode = (ushort)vKey;
pInput[0].KeyboardInput.ScanCode =
(ushort)(NativeMethods.MapVirtualKey((uint)vKey, 0) & 0xFF);
pInput[0].KeyboardInput.Flags = ((bDown ? 0 :
NativeMethods.KEYEVENTF_KEYUP) | (IsExtendedKeyEx(vKey) ?
NativeMethods.KEYEVENTF_EXTENDEDKEY : 0));
}
pInput[0].KeyboardInput.Time = 0;
pInput[0].KeyboardInput.ExtraInfo = NativeMethods.GetMessageExtraInfo();
Debug.Assert(Marshal.SizeOf(typeof(NativeMethods.INPUT32)) == 28);
if(NativeMethods.SendInput32(1, pInput,
Marshal.SizeOf(typeof(NativeMethods.INPUT32))) != 1)
return false;
return true;
}
private static bool SendModifierVKey32Unchecked(int vKey, bool bDown)
{
NativeMethods.INPUT32[] pInput = new NativeMethods.INPUT32[1];
pInput[0].Type = NativeMethods.INPUT_KEYBOARD;
pInput[0].KeyboardInput.VirtualKeyCode = (ushort)vKey;
pInput[0].KeyboardInput.ScanCode =
(ushort)(NativeMethods.MapVirtualKey((uint)vKey, 0) & 0xFF);
pInput[0].KeyboardInput.Flags = ((bDown ? 0 :
NativeMethods.KEYEVENTF_KEYUP) | (IsExtendedKeyEx(vKey) ?
NativeMethods.KEYEVENTF_EXTENDEDKEY : 0));
pInput[0].KeyboardInput.Time = 0;
pInput[0].KeyboardInput.ExtraInfo = NativeMethods.GetMessageExtraInfo();
Debug.Assert(Marshal.SizeOf(typeof(NativeMethods.INPUT32)) == 28);
if(NativeMethods.SendInput32(1, pInput,
Marshal.SizeOf(typeof(NativeMethods.INPUT32))) != 1)
return false;
return true;
}
