AGS.Editor.SpriteSelector.ShowSpriteContextMenu C# (CSharp) Метод

        private void ShowSpriteContextMenu(Point menuPosition)
        {
            _spriteNumberOnMenuActivation = -1;
            ListViewItem itemAtLocation = spriteList.HitTest(menuPosition).Item;
            EventHandler onClick = new EventHandler(SpriteContextMenuEventHandler);
            ContextMenuStrip menu = new ContextMenuStrip();

            if (itemAtLocation != null)
            {
                _spriteNumberOnMenuActivation = Convert.ToInt32(itemAtLocation.Name);
                ToolStripMenuItem newItem;
                if (_showUseThisSpriteOption)
                {
                    // add a bold default option for Use This Sprite
                    newItem = new ToolStripMenuItem("Use this sprite", null, onClick, MENU_ITEM_USE_THIS_SPRITE);
                }
                else
                {
                    newItem = new ToolStripMenuItem("Edit in default image editor", null, onClick, MENU_ITEM_EDIT_THIS_SPRITE);
                }
                newItem.Font = new System.Drawing.Font(newItem.Font.Name, newItem.Font.Size, FontStyle.Bold);
                menu.Items.Add(newItem);
                menu.Items.Add(new ToolStripSeparator());
                menu.Items.Add(new ToolStripMenuItem("Copy sprite to clipboard", null, onClick, MENU_ITEM_COPY_TO_CLIPBOARD));
                menu.Items.Add(new ToolStripMenuItem("Export sprite to file...", null, onClick, MENU_ITEM_EXPORT_SPRITE));
                menu.Items.Add(new ToolStripSeparator());
                menu.Items.Add(new ToolStripMenuItem("Replace sprite from file...", null, onClick, MENU_ITEM_REPLACE_FROM_FILE));

                if (Factory.AGSEditor.CurrentGame.Settings.ColorDepth != GameColorDepth.Palette)
                {
                    menu.Items.Add(new ToolStripMenuItem("Replace sprite from clipboard...", null, onClick, MENU_ITEM_REPLACE_FROM_CLIPBOARD));
                    if (!Clipboard.ContainsImage())
                    {
                        menu.Items[menu.Items.Count - 1].Enabled = false;
                    }
                }
                menu.Items.Add(new ToolStripMenuItem("Replace sprite using last sprite...", null, onClick, MENU_ITEM_REPLACE_FROM_PREVIOUS));
                if (_lastImportedSprite == null)
                {
                    menu.Items[menu.Items.Count - 1].Enabled = false;
                }
                if (spriteList.SelectedItems.Count > 1)
                {
                    foreach (ToolStripItem menuItem in menu.Items)
                    {
                        menuItem.Enabled = false;
                    }
                }
                menu.Items.Add(new ToolStripMenuItem("Replace sprite(s) from source...", null, onClick, MENU_ITEM_REPLACE_FROM_SOURCE));
                menu.Items.Add(new ToolStripSeparator());
                menu.Items.Add(new ToolStripMenuItem("Show usage...", null, onClick, MENU_ITEM_SHOW_USAGE));
                menu.Items.Add(new ToolStripMenuItem("Change sprite number...", null, onClick, MENU_ITEM_CHANGE_SPRITE_NUMBER));
                if (spriteList.SelectedItems.Count > 1)
                {
                    menu.Items[menu.Items.Count - 2].Enabled = false;
                    menu.Items[menu.Items.Count - 1].Enabled = false;
                }
                menu.Items.Add(new ToolStripMenuItem("Assign to view...", null, onClick, MENU_ITEM_ASSIGN_TO_VIEW));
                menu.Items.Add(new ToolStripSeparator());
                menu.Items.Add(new ToolStripMenuItem("Crop sprite edges", null, onClick, MENU_ITEM_CROP_ASYMMETRIC));
                menu.Items.Add(new ToolStripMenuItem("Crop sprite edges (symmetric)", null, onClick, MENU_ITEM_CROP_SYMMETRIC));
                menu.Items.Add(new ToolStripMenuItem("Delete", null, onClick, MENU_ITEM_DELETE_SPRITE));
                if (_spriteNumberOnMenuActivation == 0)
                {
                    // can't delete sprite number 0
                    menu.Items[menu.Items.Count - 1].Enabled = false;
                }
                menu.Items.Add(new ToolStripSeparator());
            }

            menu.Items.Add(new ToolStripMenuItem("Import new sprite from file...", null, onClick, MENU_ITEM_IMPORT_NEW));

            if (Factory.AGSEditor.CurrentGame.Settings.ColorDepth != GameColorDepth.Palette)
            {
                menu.Items.Add(new ToolStripMenuItem("Paste new sprite from clipboard...", null, onClick, MENU_ITEM_PASTE_NEW));
                if (!Clipboard.ContainsImage())
                {
                    menu.Items[menu.Items.Count - 1].Enabled = false;
                }
            }
            menu.Items.Add(new ToolStripMenuItem("New sprite using last sprite...", null, onClick, MENU_ITEM_NEW_FROM_PREVIOUS));
            if (_lastImportedSprite == null)
            {
                menu.Items[menu.Items.Count - 1].Enabled = false;
            }

            menu.Items.Add(new ToolStripSeparator());
            menu.Items.Add(new ToolStripMenuItem("Quick import GIF frames...", null, onClick, MENU_ITEM_QUICK_IMPORT_GIF_FLC));
            menu.Items.Add(new ToolStripMenuItem("Quick import sprites...", null, onClick, MENU_ITEM_QUICK_IMPORT_SPRITES));
            menu.Items.Add(new ToolStripMenuItem("Export all sprites in folder...", null, onClick, MENU_ITEM_EXPORT_FOLDER));
            menu.Items.Add(new ToolStripMenuItem("Sort sprites by number", null, onClick, MENU_ITEM_SORT_BY_NUMBER));
            menu.Items.Add(new ToolStripSeparator());
            menu.Items.Add(new ToolStripMenuItem("Find sprite by number...", null, onClick, MENU_ITEM_FIND_BY_NUMBER));

            menu.Show(spriteList, menuPosition);
        }