Game.PostEffectsWindow.UpdateCurrentPostEffect C# (CSharp) Méthode

        void UpdateCurrentPostEffect()
        {
            string name = GetListCompositorItemName( listBox.SelectedItem.ToString() );

            bool enabled = checkBoxEnabled.Checked;
            CompositorInstance instance = viewport.GetCompositorInstance( name );

            if( enabled )
            {
                //Enable
                instance = viewport.AddCompositor( name );
                if( instance != null )
                    instance.Enabled = true;
            }
            else
            {
                //Disable
                if( name == "MotionBlur" )
                {
                    //MotionBlur game specific. No remove compositor. only disable.
                    if( instance != null )
                        instance.Enabled = false;
                }
                else
                    viewport.RemoveCompositor( name );
            }

            if( enabled )
            {
                //MotionBlur specific
                if( name == "MotionBlur" )
                {
                    //Update post effect parameters
                    MotionBlurCompositorInstance.Blur = scrollBarFloatParameters[ 0 ].Value;
                }

                //Blur specific
                if( name == "Blur" )
                {
                    //Update post effect parameters
                    BlurCompositorInstance.Fuzziness = scrollBarFloatParameters[ 0 ].Value;
                }

                //HDR specific
                if( name == "HDR" )
                {
                    //Update post effect parameters
                    HDRCompositorInstance.Adaptation = checkBoxBoolParameters[ 0 ].Checked;
                    HDRCompositorInstance.AdaptationVelocity = scrollBarFloatParameters[ 1 ].Value;
                    HDRCompositorInstance.AdaptationMiddleBrightness = scrollBarFloatParameters[ 2 ].Value;
                    HDRCompositorInstance.AdaptationMinimum = scrollBarFloatParameters[ 3 ].Value;
                    HDRCompositorInstance.AdaptationMaximum = scrollBarFloatParameters[ 4 ].Value;
                    HDRCompositorInstance.BloomBrightThreshold = scrollBarFloatParameters[ 5 ].Value;
                    HDRCompositorInstance.BloomScale = scrollBarFloatParameters[ 6 ].Value;

                    //Update controls
                    for( int n = 1; n <= 4; n++ )
                        scrollBarFloatParameters[ n ].Enable = HDRCompositorInstance.Adaptation;
                }

                //LDRBloom specific
                if( name == "LDRBloom" )
                {
                    //Update post effect parameters
                    LDRBloomCompositorInstance.BloomBrightThreshold = scrollBarFloatParameters[ 0 ].Value;
                    LDRBloomCompositorInstance.BloomScale = scrollBarFloatParameters[ 1 ].Value;
                }
            }
        }