CFDiskIO::isFreeSpaceBetween

Description: Checks if there is a free space between $start and $end and the type of partition could be created there.
Parameter:

• vDisk: Virtual (internally used) device number.
• type: type of the partition (primary, extended, logical, efipart)
• start: start position for the search
• end: end position for the search
• addErrorMsg: Set to true, if the error messages should be added.

Returns:

• true, if the there is free space, otherwise false.