Canguro.Controller.Controller.scenePanel_MouseWheel C# (CSharp) Метод

        void scenePanel_MouseWheel(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            System.Diagnostics.Debug.Assert(mainFrm != null);

            // Store previous view command
            ViewCommand vcmd = viewCmd;

            // Execute zoom step
            viewCmd = (ViewCommand)commands["zoomstep"];
            GraphicViewManager.Instance.SavePreviousActiveView();
            viewCmd.MouseWheel(GraphicViewManager.Instance.ActiveView, e);
            GraphicViewManager.Instance.updateView(false);

            // Restore previous view command
            viewCmd = vcmd;

            if (viewCmd == SelectionCommand && EndViewCommand != null)
                EndViewCommand(this, new EndViewCommandArgs((ViewCommand)commands["zoomstep"]));
        }