/// <summary>
/// Simulates a keystroke that the system can use to generate a WM_KEYUP or WM_KEYDOWN message.
/// </summary>
/// <param name="VirtualKey">A System.Byte structure that contains a virtual-key code representing the key with which to perform an action.</param>
/// <param name="Silent">A System.Boolean structure specifying true if a sound should be generated when the keystroke is simulated; otherwise, false.</param>
/// <param name="State">A KeyActionState enumeration value indicating the action that should be performed with the specified virtual-key code.</param>
public static void SendKeyboardKey(byte VirtualKey, bool Silent, KeyActionState State)
{
int silent = Silent ? (int)KeyEvents.Silent : 0;
// Note that both of the operations below will be performed if the caller
// requested a key press operation (KeyActionState.Press).
// If requested by the caller, send the virtual-key code as part of a key down operation.
if ((State & KeyActionState.Down) > 0)
{
keybd_event(VirtualKey, 0, 0, silent);
}
// If requested by the caller, send the virtual-key code as part of a key up operation.
if ((State & KeyActionState.Up) > 0)
{
keybd_event(VirtualKey, 0, (int)KeyEvents.KeyUp, silent);
}
}
/// <summary>
/// Simulates a keystroke that the system can use to generate a WM_KEYUP or WM_KEYDOWN message.
/// </summary>
/// <param name="VirtualKey">A System.Byte structure that contains a virtual-key code representing the key with which to perform an action.</param>
/// <param name="Silent">A System.Boolean structure specifying true if a sound should be generated when the keystroke is simulated; otherwise, false.</param>
/// <param name="State">A KeyActionState enumeration value indicating the action that should be performed with the specified virtual-key code.</param>
public static void SendKeyboardKey(byte VirtualKey, bool Silent, KeyActionState State)
{
int silent = Silent ? (int)KeyEvents.Silent : 0;
// Note that both of the operations below will be performed if the caller
// requested a key press operation (KeyActionState.Press).
// If requested by the caller, send the virtual-key code as part of a key down operation.
if ((State & KeyActionState.Down) > 0)
{
keybd_event(VirtualKey, 0, 0, silent);
}
// If requested by the caller, send the virtual-key code as part of a key up operation.
if ((State & KeyActionState.Up) > 0)
{
keybd_event(VirtualKey, 0, (int)KeyEvents.KeyUp, silent);
}
}