SDCLASS - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _WINSTA_H

typedef enum _SDCLASS
{
    SdNone = 0,
    SdConsole,
    SdNetwork,
    SdAsync,
    SdOemTransport
} SDCLASS;

#endif

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This type is documented in the [MS-TSTS] specification.