webFileName
Type: String
Availability: Read or write at any time
The webFileName property of the Picture class has two purposes. It enables you to specify a file name (for example, "image.jpg" or "mypic.png") for:
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An image that is created by the Web framework (rather than the automatically generated file name)
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A file that already exists
A firewall would prevent an existing file from being used, so to use an existing file requires that the
Using an existing file for static images can greatly improve performance.
For the Form class, this property contains the name of the background image that is to be displayed on the Web page.
For the Button class, this property contains the name of the image that is to be displayed on a button on the Web page.
