Read/Write Block - File
Description
The Assign From Dialogue block associates a numbered File handle with a filename identified through a file selection dialog. The default filename can identify a mask that directs the file selection dialog to filter out undesired files and offer relevant ones. If a filename is selected the expression returns true. If the user cancelled from the dialog and made no selection the expression is false. Assigning a file handle to a specific filename is the first step in preparing to read ot write a file in the PC.
Escapes
The Assign From Dialog block does not generate any escapes.
Examples
The Prompter object displays a message and waits for an acknowledgement. A button click procedure with this block...
...shows this:
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