public void Dispose()
{
if (MouseHookHandle != 0)
{
Debug.Print("Unhook mouse");
HookNativeDefinitions.UnhookWindowsHookEx(MouseHookHandle);
MouseHookHandle = 0;
}
if (KeyboardHookHandle != 0)
{
Debug.Print("Unhook Keyboard");
HookNativeDefinitions.UnhookWindowsHookEx(KeyboardHookHandle);
KeyboardHookHandle = 0;
}
}
public int MouseHook(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
// Debug.Print("MouseHook called");
unchecked
{
int wParami = wParam.ToInt32();
//Marshal the data from the callback.
var mouseData = (HookNativeDefinitions.MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(HookNativeDefinitions.MouseHookStruct));
var mouseButton = WM.GetMouseButton(wParam);
int wheelDelta = 0;
if (mouseButton == MouseButton.None && wParami == WM.MOUSEWHEEL)
{
wheelDelta = WM.GetWheelDDelta(mouseData.mouseData);
}
if (wParami == WM.MOUSEMOVE)
{
if (OnMouseMove != null)
{
OnMouseMove(mouseData.pt.x, mouseData.pt.y);
}
else
{
// mouse move is disabled ignore event
}
}
else if (wParami == WM.MOUSEWHEEL && OnMouseWheel != null)
{
OnMouseWheel?.Invoke(wheelDelta, mouseData.pt.x, mouseData.pt.y);
}
else if (OnMouseButton != null)
{
OnMouseButton?.Invoke(mouseButton, mouseData.pt.x, mouseData.pt.y);
}
}
}
return(HookNativeDefinitions.CallNextHookEx(MouseHookHandle, nCode, wParam, lParam));
}
private void HookMouse(bool bHook)
{
if (MouseHookHandle == 0 && bHook)
{
using (var mainMod = Process.GetCurrentProcess().MainModule)
MouseHookHandle = HookNativeDefinitions.SetWindowsHookEx(HookNativeDefinitions.WH_MOUSE_LL, MouseHookGCRootedDelegate, HookNativeDefinitions.GetModuleHandle(mainMod.ModuleName), 0);
//If the SetWindowsHookEx function fails.
if (MouseHookHandle == 0)
{
System.Windows.MessageBox.Show("SetWindowsHookEx Failed " + new Win32Exception(Marshal.GetLastWin32Error()));
return;
}
}
else if (bHook == false)
{
Debug.Print("Unhook mouse");
HookNativeDefinitions.UnhookWindowsHookEx(MouseHookHandle);
MouseHookHandle = 0;
}
}
public int KeyboardHook(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
// Debug.Print("KeyboardHook called");
var keyboardData = (HookNativeDefinitions.KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(HookNativeDefinitions.KeyboardHookStruct));
unchecked
{
// wParam is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP
int wInt = wParam.ToInt32();
var key = KeyInterop.KeyFromVirtualKey((int)keyboardData.vkCode);
if (wInt == WM.KEYDOWN || wInt == WM.SYSKEYDOWN && OnKeyDown != null)
{
OnKeyDown?.Invoke(key);
}
else
{
}
}
}
return(HookNativeDefinitions.CallNextHookEx(MouseHookHandle, nCode, wParam, lParam));
}