/// <summary>
/// Makes a transparent window which adjust it's size and position to fit the parent window
/// </summary>
/// <param name="parent">HWND/Handle of a window</param>
/// <param name="limitFPS">VSync</param>
public OverlayWindow(IntPtr parent, bool limitFPS = true)
{
if (parent == IntPtr.Zero)
{
throw new Exception("The handle of the parent window isn't valid");
}
Native.RECT bounds;
Native.GetWindowRect(parent, out bounds);
this.IsDisposing = false;
this.IsVisible = true;
this.IsTopMost = true;
this.ParentWindowExists = true;
this.X = bounds.Left;
this.Y = bounds.Top;
this.Width = bounds.Right - bounds.Left;
this.Height = bounds.Bottom - bounds.Top;
this.ParentWindow = parent;
if (!this.CreateWindow())
{
throw new Exception("Could not create OverlayWindow");
}
this.Graphics = new Direct2DRenderer(this.Handle, limitFPS);
this.SetBounds(this.X, this.Y, this.Width, this.Height);
new Task(new Action(this.ParentServiceThread)).Start();
}
/// <summary>
/// Makes a transparent Fullscreen window
/// </summary>
/// <param name="limitFPS">VSync</param>
public OverlayWindow(bool limitFPS = true)
{
this.IsDisposing = false;
this.IsVisible = true;
this.IsTopMost = true;
this.ParentWindowExists = false;
this.X = 0;
this.Y = 0;
this.Width = Native.GetSystemMetrics(WindowConstants.SM_CX_SCREEN);
this.Height = Native.GetSystemMetrics(WindowConstants.SM_CY_SCREEN);
this.ParentWindow = IntPtr.Zero;
if (!this.CreateWindow())
{
throw new Exception("Could not create OverlayWindow");
}
this.Graphics = new Direct2DRenderer(this.Handle, limitFPS);
this.SetBounds(this.X, this.Y, this.Width, this.Height);
}