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FreeDiskSpace Property

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Returns the available disk space for the current drive, in bytes. Use the ChDrive statement to change the current drive. Read-only Long.

Note  There are 1024 bytes in a kilobyte and 1,048,576 bytes in a megabyte. The maximum return value for the FreeDiskSpace property is 2,147,483,647. Therefore, even if you have four gigabytes of free disk space, it returns 2147483647.

Example

This example checks the amount of free disk space. If there's less than 10 megabytes of space available, a message is displayed.

If (System.FreeDiskSpace \ 1048576) < 10 Then _
    MsgBox "Low disk space"

Applies to | System Object