This control will display a dialog that describes the current volume. You may use the drive button in the main file selection window to select a volume; it cycles through all mounted volumes. The information dialog displays:
• Name - The name of the volume
• Vol RefNum - This is the reference number that programmers use in File Manager traps.
• Drive Number - This is the number of the disk drive that this volume is stored on.
• Device Driver - This is the refNum of the device driver that controls the volume.
• Total File Count - The total number of files on the volume.
• Total Folder Count - The total number of folders on the volume.
• Block Size - This is the unit of allocation for storage on this volume.
• Total size - The total amount of storage on this volume.
• Space Available - The total amount of available storage on this volume.
• Created - When the volume was last initialized.
• Modified - When the volume was last modified. Changing any file on the volume modifies the volume.
• Backed Up - When the volume was last backed up.
Additionally, This dialog will display which “volume attributes” the selected volume has. The possible attributes are:
• Startup - The volume is the startup volume. When you start your Mac, it will use the System Folder from this volume.
• External - The volume is implemented by an external file system.
• Bootable - The volume could be selected as a Startup volume.
• Access Controls - The volume supports access controls for files and folders.
• Desktop Manager - The volume supports the Desktop Manager. This means programmers can use Desktop traps for this volume.
• BTree Manager - The volume supports the B-Tree Manager.
• Uses File ID’s - The volume supports the file ID’s. This means programmers can use traps that take File ID’s to operate on files on this volume.
• CatSearch - Programmers can use the CatSearch function on this volume.
