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This means that Lycia documentation is developing as well.
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The os.Path.chvolume is used to change the working volume at current. The syntax of the method is as follows:
CALL os.Path.chvolume(new_volume) RETURNING result
where:
new_volume = a variable of STRING data type standing for the volume to select as a current one,
esult = a variable of INTEGER data: TRUE when the working volume can be successfully changed and FALSE otherwise.
Here is an example of the os.Path.chvolume method calling:
#changes the current working volume to "C:\"
CALL os.Path.chvolume ("C:\\")RETURNING result
As the backslash symbol is a default escape symbol which makes the compiler treat the symbol following it as a literal character and ignore its special functionality, to add a backslash symbol to a character string you have to use a double backslash in the source code or four symbols in a row to add a double backslash:
DISPLAY "This is a backslash: \\"
DISPLAY "This is a double backslash: \\\\"
The method can be used on Windows OS only.