} // KeyboardHook
#endregion
#region Hook Callback Method
/// <summary>
/// Processes the key event captured by the hook.
/// </summary>
private IntPtr HookCallback(int nCode, IntPtr wParam, ref KeyboadHookStruct lParam)
{
// This is an easy way to change from a key press behavior to a key down behavior.
if (lParam.Flags != lastParameter.Flags || lParam.VkCode != lastParameter.VkCode)
{
// If the key is disable or has a special function.
if (lParam.VkCode == 91 || lParam.VkCode == 92 || // Win
(lParam.VkCode == 13) || // Alt-Enter (does not work properly so I made a fix)
lParam.VkCode == 44) // Print Screen
{
if (lParam.VkCode == 44)
{
ScreenshotCapturer.MakeScreenshot = true;
}
KeyboardState keyboardState = Microsoft.Xna.Framework.Input.Keyboard.GetState();
if (keyboardState.IsKeyDown(Keys.LeftAlt) || keyboardState.IsKeyDown(Keys.RightAlt))
{
Screen.ToggleFullscreen();
}
// Store current parameter.
lastParameter = lParam;
if (lParam.VkCode != 13)
return (IntPtr)1;
}
}
// Store current parameter.
lastParameter = lParam;
// if the key is allowed...
return NativeMethods.CallNextHookEx(hookId, nCode, wParam, ref lParam);
} // HookCallback
public static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, ref KeyboadHookStruct lParam);