Virtual Devices (3.1) (vdag31qh.hlp) (Table of Contents; Topic list)
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VHD_Get_Version
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include vhd.inc
 
VxDcall VHD_Get_Version
 
The VHD_Get_Version service returns the VHD version number.
 
This service has no parameters.
 
Return Value
 
The AH register contains the major version number.
 
The AL register contains the minor version number.
 
The CL register contains the number of drives supported (0-based).
 
The EDX register can contain the following flag value:
 
Value  Meaning
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1      Supports direct to hardware read and write operations.
 
The carry flag is clear.
 
Uses
 
EAX, Flags
 
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