Method resetWorktape

This method is used to clear the worktape-frame. Usually it is not necessary to implement this method. But in this method there exists the possibiliy to define the canvas, if no node of the application is selected. This could be necessary to illustrate general information of the alternation-example. The method offers the following parameters:

• The Graphics-Object, where to draw the information
• The width of the canvas
• The height of the canvas

The Graphics-Object offers methods to draw elements into the worktape-frame. This will be shown, if no node is selected. Otherwise the content of the method paintWorktape will be shown. For more detailed information about the implementation have a look at the API of the application.