/// <summary> /// Constructor. /// </summary> /// <param name="tooltipPrefix">The tooltip prefix, which usually describes the tool's function.</param> protected MouseImageViewerTool(string tooltipPrefix) : base() { _tooltipPrefix = tooltipPrefix; _mousebuttonBehaviour = MouseButtonHandlerBehaviour.Default; _mouseButton = XMouseButtons.None; _defaultMouseButtonShortcut = null; _mouseWheelShortcut = null; _active = false; }