Microsoft.Xna.Framework.Graphics.Shader.PlatformGraphicsDeviceResetting C# (CSharp) Method

        private void PlatformGraphicsDeviceResetting()
        {
            if (_shaderHandle != -1)
            {
                if (GL.IsShader(_shaderHandle))
                {
                    GL.DeleteShader(_shaderHandle);
                    GraphicsExtensions.CheckGLError();
                }
                _shaderHandle = -1;
            }
        }