UnityEditor.ProceduralMaterialInspector.OnPreviewGUI C# (CSharp) Method

        public override void OnPreviewGUI(Rect r, GUIStyle background)
        {
            base.OnPreviewGUI(r, background);
            if (ShowIsGenerating(base.target as ProceduralMaterial) && (r.width > 50f))
            {
                EditorGUI.DropShadowLabel(new Rect(r.x, r.y, r.width, 20f), "Generating...");
            }
        }