private void StartTracking()
{
_hook = (int x, IntPtr wParam, IntPtr lParam) =>
{
crosshairAxisX.Top = Cursor.Position.Y - Config.DesktopTop;
crosshairAxisY.Left = Cursor.Position.X - Config.DesktopLeft;
return(WindowsApi.CallNextHookEx(x, WindowsApi.WH_MOUSE_LL, wParam, lParam));
};
WindowsApi.SetGlobalMouseHook(_hook);
}
private void RegisterHotkeys()
{
WindowsApi.KeyModifiers modifiers = WindowsApi.KeyModifiers.MOD_CONTROL |
WindowsApi.KeyModifiers.MOD_NOREPEAT;
_hotkeyIdFullGrid = this.Handle.ToInt32() ^ (int)modifiers ^ (int)Keys.D1;
_hotkeyIdCrosshair = this.Handle.ToInt32() ^ (int)modifiers ^ (int)Keys.D2;
WindowsApi.RegisterHotKey(this.Handle, _hotkeyIdFullGrid, modifiers, Keys.D1);
WindowsApi.RegisterHotKey(this.Handle, _hotkeyIdCrosshair, modifiers, Keys.D2);
}
protected override void SetVisibleCore(bool value)
{
if (value)
{
StartTracking();
}
else
{
WindowsApi.UnhookMouseHook();
}
base.SetVisibleCore(value);
}
private void UnregisterHotkeys()
{
WindowsApi.UnregisterHotKey(this.Handle, _hotkeyIdFullGrid);
WindowsApi.UnregisterHotKey(this.Handle, _hotkeyIdCrosshair);
}
public GridWindow()
{
InitializeComponent();
WindowsApi.SetAsOverlay(this);
}
public CrosshairWindow()
{
InitializeComponent();
WindowsApi.SetAsOverlay(this);
DrawCrosshair();
}