UnityEditor.EditorUtility.DisplayObjectContextMenu C# (CSharp) Method

        internal static void DisplayObjectContextMenu(Rect position, Object context, int contextUserData)
        {
            Object[] objArray1 = new Object[] { context };
            DisplayObjectContextMenu(position, objArray1, contextUserData);
        }

        // Draws the help and settings part of the header.
        // Returns a Rect to know where to draw the rest of the header.
        internal virtual Rect DrawHeaderHelpAndSettingsGUI(Rect r)
        {
            // Help
            var settingsSize = EditorStyles.iconButton.CalcSize(EditorGUI.GUIContents.titleSettingsIcon);

            float currentOffset = settingsSize.x;

            const int kTopMargin = 5;
            // Settings; process event even for disabled UI
            Rect settingsRect = new Rect(r.xMax - currentOffset, r.y + kTopMargin, settingsSize.x, settingsSize.y);
            var  wasEnabled   = GUI.enabled;

            GUI.enabled = true;
            var showMenu = EditorGUI.DropdownButton(settingsRect, EditorGUI.GUIContents.titleSettingsIcon, FocusType.Passive,
                                                    EditorStyles.iconButton);

            GUI.enabled = wasEnabled;
            if (showMenu)
            {
                EditorUtility.DisplayObjectContextMenu(settingsRect, targets, 0);
            }

            currentOffset += settingsSize.x;

            // Show Editor Header Items.
            return(EditorGUIUtility.DrawEditorHeaderItems(new Rect(r.xMax - currentOffset, r.y + kTopMargin, settingsSize.x, settingsSize.y), targets));
        }