ch_drive - File - VB6Runtime Library Reference

VB6 ChDrive statement syntax: - ChDrive drive Changes the current drive. The drive argument is a String expression that specifies the drive letter. Only the first character is used; if the string is empty, no action occurs.

Remarks

On Windows, ChDrive changes the current drive. On other platforms, it updates the tracked current drive letter for VB6 semantics.
ChDrive does not affect the current directory.

Examples

ChDrive "D"     ' Change to D: drive
ChDrive "E:"    ' Change to E: drive

Reference