CPathT::GetDriveNumber
Call this method to search the path for a drive letter within the range of 'A' to 'Z' and return the corresponding drive number.
int GetDriveNumber( ) const;
Return Value
Returns the drive number as an integer from 0 through 25 (corresponding to 'A' through 'Z') if the path has a drive letter, or -1 otherwise.
Remarks
For more information, see PathGetDriveNumber.
Requirements
Header: atlpath.h