JCL Help:DiskInDrive
JCL Help: DiskInDrive Function
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Summary
Tests whether there is a disk in the specified drive.
Pascal
function DiskInDrive(Drive: Char): Boolean;
Parameters
| Parameters | Description |
| Drive: Char | The volume to test. Valid drives are 'a'..'z' and 'A'..'Z'. |
Return Value
If the drive is accessible, a disk is present, and the result is True. If the drive is not accessible or an error occurred the function returns False.
Description
DiskInDrive tests whether or not there is a disk present in the specified drive. The drive can be any volume from a to z, specified either in lowercase or uppercase. The function returns whether or not the drive is accessible, for removable media this indicates whether or not the drive has a 'disk' present, for other type of media it indicates if the drive exists.
About
Unit
Donator
John C Molyneux
Platforms
Windows
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