UnityEditor.MaterialEditor.OnPreviewSettings C# (CSharp) Method

        public override void OnPreviewSettings()
        {
            if (this.m_CustomShaderGUI != null)
            {
                this.m_CustomShaderGUI.OnMaterialPreviewSettingsGUI(this);
            }
            else
            {
                this.DefaultPreviewSettingsGUI();
            }
        }