_GetRegistryPath

DWORD _GetRegistryPath(DDB ddb, LPSTR lpszPath, DWORD cbPath);

Gets the registry path for the device driver associated with the given virtual device descriptor block (DDB).

• Returns the number of bytes copied to the buffer or the buffer size, in bytes, needed to receive the complete path. This service returns 0 if no registry path exists.

ddb

Device descriptor block for the virtual device for which to retrieve the registry path.

lpszPath

Address of the buffer that receives the null-terminated registry path. This buffer receives the path only if buffer is large enough to hold the complete path.

cbPath

Size, in bytes, of the lpszPath buffer.