_GetRegistryPath

include vmm.inc

VMMcall _GetRegistryPath, <OFFSET32 ThisDDB, OFFSET32 UserBuff,
    UserBuffSize>

Retrieves the path to the registry location where information about a VxD is stored. This service is available only during initialization. Uses C calling convention.

• Returns, in EAX, the length of the string copied to UserBuff if the function succeeds. If UserBuff is too small, EAX contains the required size of the buffer. If the service fails, the return value is zero.

ThisDDB

Address of the descriptor block (VxD_Desc_Block) for the virtual device.

UserBuff

Address of the buffer that receives the registry path.

UserBuffSize

Size, in bytes, of the buffer pointed to by UserBuff.