Functions
Functions are the most powerful building blocks.
Every program that use save (".fpp" file) is a function, you can call it from any other algorithm or even from itself (recursion). To add function use "func" button. Type function filename (without extension!) in function name field.
You can set local variables (useful for recursion) by editing the "start" block.
There are also several built-in functions:
Fix - receives a number, returns fixed number (without digits after the dot).
FileDialog - opens a file dialog.
Clear - clears the user text screen.
ExtractFileName - receives full file path, returns only the file name.
Both function algorithm and the caller algorithm should be saved in the same folder.
Functions can also be specified for window events.
See examples.
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