1 write to _undoEngine
System.Windows.Forms.Design (1)
System\Windows\Forms\Design\ToolStripDropDownDesigner.cs (1)
402if (_undoEngine is null && TryGetService(out _undoEngine))
3 references to _undoEngine
System.Windows.Forms.Design (3)
System\Windows\Forms\Design\ToolStripDropDownDesigner.cs (3)
252_undoEngine?.Undone -= OnUndone; 402if (_undoEngine is null && TryGetService(out _undoEngine)) 404_undoEngine.Undone += OnUndone;