Zooming In on a Selection

This topic describes how to let the user select an area with a mouse and zoom in on the selected area. In this topic, you learn the following:

To be as simple and specific as possible, these instructions describe how to modify the EZFUNC example program. If you want to test the sample code, you should make a copy of the EZFUNC program, and modify the copy. The display rectangles used in this program are described in Fitting an Image to a Window.

The following topics provide detailed descriptions of these steps, with code that you can copy from the online help and paste into the sample program.

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