/// <summary>
/// Makes the context current on the calling thread.
/// </summary>
/// <param name="ctx">
/// A <see cref="IntPtr"/> that specify the context to be current on the calling thread, bound to
/// thise device context. It can be IntPtr.Zero indicating that no context will be current.
/// </param>
/// <returns>
/// It returns a boolean value indicating whether the operation was successful.
/// </returns>
/// <exception cref="NotSupportedException">
/// Exception thrown if the current platform is not supported.
/// </exception>
public override bool MakeCurrent(IntPtr ctx)
{
// Avoid actual call to wglMakeCurrent if it is not necessary
// Efficient on simple/nominal applications
IntPtr currentContext = Wgl.GetCurrentContext(), currentDc = Wgl.GetCurrentDC();
if (ctx == currentContext && _DeviceContext == currentDc)
return (true);
// Base implementation
return (base.MakeCurrent(ctx));
}
