public static void SimulateKeyPress(UInt16 keyCode)
{
var down = new InputSimulatorDefines();
down.Type = (UInt32)InputType.KEYBOARD;
down.Data.Keyboard = new KEYBDINPUT();
down.Data.Keyboard.Vk = keyCode;
down.Data.Keyboard.Scan = 0;
down.Data.Keyboard.Flags = 0;
down.Data.Keyboard.Time = 0;
down.Data.Keyboard.ExtraInfo = IntPtr.Zero;
var up = new InputSimulatorDefines();
up.Type = (UInt32)InputType.KEYBOARD;
up.Data.Keyboard = new KEYBDINPUT();
up.Data.Keyboard.Vk = keyCode;
up.Data.Keyboard.Scan = 0;
up.Data.Keyboard.Flags = (UInt32)KeyboardFlag.KEYUP;
up.Data.Keyboard.Time = 0;
up.Data.Keyboard.ExtraInfo = IntPtr.Zero;
InputSimulatorDefines[] inputList = new InputSimulatorDefines[2];
inputList[0] = down;
inputList[1] = up;
var numberOfSuccessfulSimulatedInputs = SendInput(2, inputList, Marshal.SizeOf(typeof(InputSimulatorDefines)));
if (numberOfSuccessfulSimulatedInputs == 0)
{
throw new Exception(string.Format("The key press simulation for {0} was not successful.", keyCode));
}
}
/// <summary>
/// Calls the Win32 SendInput method with a stream of KeyDown and KeyUp messages in order to simulate uninterrupted text entry via the keyboard.
/// </summary>
/// <param name="text">The text to be simulated.</param>
public static void SimulateTextEntry(string text)
{
if (text.Length > UInt32.MaxValue / 2)
{
throw new ArgumentException(string.Format("The text parameter is too long. It must be less than {0} characters.", UInt32.MaxValue / 2), "text");
}
var chars = UTF8Encoding.ASCII.GetBytes(text);
var len = chars.Length;
InputSimulatorDefines[] inputList = new InputSimulatorDefines[len * 2];
for (int x = 0; x < len; x++)
{
UInt16 scanCode = chars[x];
var down = new InputSimulatorDefines();
down.Type = (UInt32)InputType.KEYBOARD;
down.Data.Keyboard = new KEYBDINPUT();
down.Data.Keyboard.Vk = 0;
down.Data.Keyboard.Scan = scanCode;
down.Data.Keyboard.Flags = (UInt32)KeyboardFlag.UNICODE;
down.Data.Keyboard.Time = 0;
down.Data.Keyboard.ExtraInfo = IntPtr.Zero;
var up = new InputSimulatorDefines();
up.Type = (UInt32)InputType.KEYBOARD;
up.Data.Keyboard = new KEYBDINPUT();
up.Data.Keyboard.Vk = 0;
up.Data.Keyboard.Scan = scanCode;
up.Data.Keyboard.Flags = (UInt32)(KeyboardFlag.KEYUP | KeyboardFlag.UNICODE);
up.Data.Keyboard.Time = 0;
up.Data.Keyboard.ExtraInfo = IntPtr.Zero;
// Handle extended keys:
// If the scan code is preceded by a prefix byte that has the value 0xE0 (224),
// we need to include the KEYEVENTF_EXTENDEDKEY flag in the Flags property.
if ((scanCode & 0xFF00) == 0xE000)
{
down.Data.Keyboard.Flags |= (UInt32)KeyboardFlag.EXTENDEDKEY;
up.Data.Keyboard.Flags |= (UInt32)KeyboardFlag.EXTENDEDKEY;
}
inputList[2 * x] = down;
inputList[2 * x + 1] = up;
}
var numberOfSuccessfulSimulatedInputs = SendInput((UInt32)len * 2, inputList, Marshal.SizeOf(typeof(InputSimulatorDefines)));
}
/// <summary>
/// Calls the Win32 SendInput method to simulate a Key DOWN.
/// </summary>
/// <param name="keyCode">The VirtualKeyCode to press</param>
public static void SimulateKeyDown(VirtualKeyCode keyCode)
{
var down = new InputSimulatorDefines();
down.Type = (UInt32)InputType.KEYBOARD;
down.Data.Keyboard = new KEYBDINPUT();
down.Data.Keyboard.Vk = (UInt16)keyCode;
down.Data.Keyboard.Scan = 0;
down.Data.Keyboard.Flags = 0;
down.Data.Keyboard.Time = 0;
down.Data.Keyboard.ExtraInfo = IntPtr.Zero;
InputSimulatorDefines[] inputList = new InputSimulatorDefines[1];
inputList[0] = down;
var numberOfSuccessfulSimulatedInputs = SendInput(1, inputList, Marshal.SizeOf(typeof(InputSimulatorDefines)));
if (numberOfSuccessfulSimulatedInputs == 0)
{
throw new Exception(string.Format("The key down simulation for {0} was not successful.", keyCode));
}
}
static extern UInt32 SendInput(UInt32 numberOfInputs, InputSimulatorDefines[] inputs, Int32 sizeOfInputStructure);
/// <summary>
/// Calls the Win32 SendInput method with a stream of KeyDown and KeyUp messages in order to simulate uninterrupted text entry via the keyboard.
/// </summary>
/// <param name="text">The text to be simulated.</param>
public static void SimulateTextEntry(string text)
{
if (text.Length > UInt32.MaxValue / 2) throw new ArgumentException(string.Format("The text parameter is too long. It must be less than {0} characters.", UInt32.MaxValue / 2), "text");
var chars = UTF8Encoding.ASCII.GetBytes(text);
var len = chars.Length;
InputSimulatorDefines[] inputList = new InputSimulatorDefines[len * 2];
for (int x = 0; x < len; x++)
{
UInt16 scanCode = chars[x];
var down = new InputSimulatorDefines();
down.Type = (UInt32)InputType.KEYBOARD;
down.Data.Keyboard = new KEYBDINPUT();
down.Data.Keyboard.Vk = 0;
down.Data.Keyboard.Scan = scanCode;
down.Data.Keyboard.Flags = (UInt32)KeyboardFlag.UNICODE;
down.Data.Keyboard.Time = 0;
down.Data.Keyboard.ExtraInfo = IntPtr.Zero;
var up = new InputSimulatorDefines();
up.Type = (UInt32)InputType.KEYBOARD;
up.Data.Keyboard = new KEYBDINPUT();
up.Data.Keyboard.Vk = 0;
up.Data.Keyboard.Scan = scanCode;
up.Data.Keyboard.Flags = (UInt32)(KeyboardFlag.KEYUP | KeyboardFlag.UNICODE);
up.Data.Keyboard.Time = 0;
up.Data.Keyboard.ExtraInfo = IntPtr.Zero;
// Handle extended keys:
// If the scan code is preceded by a prefix byte that has the value 0xE0 (224),
// we need to include the KEYEVENTF_EXTENDEDKEY flag in the Flags property.
if ((scanCode & 0xFF00) == 0xE000)
{
down.Data.Keyboard.Flags |= (UInt32)KeyboardFlag.EXTENDEDKEY;
up.Data.Keyboard.Flags |= (UInt32)KeyboardFlag.EXTENDEDKEY;
}
inputList[2*x] = down;
inputList[2*x + 1] = up;
}
var numberOfSuccessfulSimulatedInputs = SendInput((UInt32)len*2, inputList, Marshal.SizeOf(typeof(InputSimulatorDefines)));
}
public static void SimulateKeyUp(UInt16 keyCode)
{
var up = new InputSimulatorDefines();
up.Type = (UInt32)InputType.KEYBOARD;
up.Data.Keyboard = new KEYBDINPUT();
up.Data.Keyboard.Vk = keyCode;
up.Data.Keyboard.Scan = 0;
up.Data.Keyboard.Flags = (UInt32)KeyboardFlag.KEYUP;
up.Data.Keyboard.Time = 0;
up.Data.Keyboard.ExtraInfo = IntPtr.Zero;
InputSimulatorDefines[] inputList = new InputSimulatorDefines[1];
inputList[0] = up;
var numberOfSuccessfulSimulatedInputs = SendInput(1, inputList, Marshal.SizeOf(typeof(InputSimulatorDefines)));
if (numberOfSuccessfulSimulatedInputs == 0) throw new Exception(string.Format("The key up simulation for {0} was not successful.", keyCode));
}
/// <summary>
/// Calls the Win32 SendInput method to simulate a Key DOWN.
/// </summary>
/// <param name="keyCode">The VirtualKeyCode to press</param>
public static void SimulateKeyDown(VirtualKeyCode keyCode)
{
var down = new InputSimulatorDefines();
down.Type = (UInt32)InputType.KEYBOARD;
down.Data.Keyboard = new KEYBDINPUT();
down.Data.Keyboard.Vk = (UInt16)keyCode;
down.Data.Keyboard.Scan = 0;
down.Data.Keyboard.Flags = 0;
down.Data.Keyboard.Time = 0;
down.Data.Keyboard.ExtraInfo = IntPtr.Zero;
InputSimulatorDefines[] inputList = new InputSimulatorDefines[1];
inputList[0] = down;
var numberOfSuccessfulSimulatedInputs = SendInput(1, inputList, Marshal.SizeOf(typeof(InputSimulatorDefines)));
if (numberOfSuccessfulSimulatedInputs == 0) throw new Exception(string.Format("The key down simulation for {0} was not successful.", keyCode));
}
