FILE DIALOG SHOW
From Macros Wiki
- FILE_DIALOG_SHOW <state>, <filename>
- Display a file dialog to ask for the name of a file to be opened or saved.
- Use with FILE_DIALOG_NEW and FILE_DIALOG_EXTENSION to define the file dialog.
- OPEN or SAVE. To open an existing file (OPEN), or create a new file (SAVE).
- Text variable to be set to the name of the selected file.