/* PressKeys(Win32API.VKCodes[] vkCodes)
* press combine keys, like alt+F4.
*/
public unsafe static void PressKeys(Win32API.VKCodes[] vkCodes)
{
if (vkCodes == null || vkCodes.Length == 0)
{
return;
}
int len = vkCodes.Length;
Win32API.INPUT *structInput = stackalloc Win32API.INPUT[len * 2];
structInput[0].type = structInput[1].type = 1; //keyboard
structInput[0].ki.time = structInput[1].ki.time = 0;
structInput[0].ki.dwFlags = structInput[1].ki.dwFlags = 4; //unicode
for (int i = 0; i < len; i++)
{
structInput[i].ki.wVk = structInput[len * 2 - i - 1].ki.wVk = (ushort)vkCodes[i];
//key up
structInput[len * 2 - i - 1].ki.dwFlags = 2;
}
//send the key
Win32API.SendInput((uint)(len * 2), structInput, Marshal.SizeOf(*structInput));
}
/* void PressKey(Win32API.VKCodes vkCode)
* Press a single key.
*/
public unsafe static void PressKey(Win32API.VKCodes vkCode)
{
Win32API.INPUT *structInput = stackalloc Win32API.INPUT[2];
structInput[0].type = structInput[1].type = 1; //keyboard
structInput[0].ki.wVk = structInput[1].ki.wVk = (ushort)vkCode;
structInput[0].ki.time = structInput[1].ki.time = 0;
structInput[0].ki.dwFlags = structInput[1].ki.dwFlags = 4; //unicode
//key up
structInput[1].ki.dwFlags = 2;
//send the key
Win32API.SendInput(2, structInput, Marshal.SizeOf(*structInput));
}
/* void SendChars(string str)
* send normal characters to system.
* except special keys like tab, ctrl etc.
* NOTICE: why not use SendWait directly?
* because I found sometimes SendWait can NOT send the character correctly.
*/
public unsafe static void SendChars(string str)
{
if (String.IsNullOrEmpty(str))
{
return;
}
//struct for keyboard event.
Win32API.INPUT *structInput = stackalloc Win32API.INPUT[2];
structInput[0].type = structInput[1].type = 1; //keyboard
structInput[0].ki.wVk = structInput[1].ki.wVk = 0;
structInput[0].ki.time = structInput[1].ki.time = 0;
structInput[0].ki.dwFlags = structInput[1].ki.dwFlags = 4; //unicode
for (int i = 0; i < str.Length; i++)
{
//key down
structInput[0].ki.wScan = structInput[1].ki.wScan = str[i];
//key up
structInput[1].ki.dwFlags = 2;
//send the character
Win32API.SendInput(2, structInput, Marshal.SizeOf(*structInput));
}
}
