/// <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>
/// <exception cref="Exception">
/// The handle of the parent window isn't valid
/// or
/// Could not create OverlayWindow
/// </exception>
public DirectXOverlayWindow(IntPtr parent, bool limitFps = true)
{
if (parent == IntPtr.Zero)
{
throw new Exception("The handle of the parent window isn't valid");
}
GetWindowRect(parent, out var bounds);
IsDisposing = false;
IsVisible = true;
IsTopMost = true;
ParentWindowExists = true;
X = bounds.Left;
Y = bounds.Top;
Width = bounds.Right - bounds.Left;
Height = bounds.Bottom - bounds.Top;
ParentWindow = parent;
if (!CreateWindow())
{
throw new Exception("Could not create OverlayWindow");
}
Graphics = new Direct2DRenderer(Handle, limitFps);
SetBounds(X, Y, Width, Height);
}
/// <summary>
/// Makes a transparent Fullscreen window
/// </summary>
/// <param name="limitFps">VSync</param>
/// <exception cref="Exception">Could not create OverlayWindow</exception>
public DirectXOverlayWindow(bool limitFps = true)
{
IsDisposing = false;
IsVisible = true;
IsTopMost = true;
ParentWindowExists = false;
X = 0;
Y = 0;
Width = GetSystemMetrics(WindowConstants.SmCxScreen);
Height = GetSystemMetrics(WindowConstants.SmCyScreen);
ParentWindow = IntPtr.Zero;
if (!CreateWindow())
{
throw new Exception("Could not create OverlayWindow");
}
Graphics = new Direct2DRenderer(Handle, limitFps);
SetBounds(X, Y, Width, Height);
}