Source code of Windows XP (NT5)
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/*************************************************************************
*
* cxmsgsvc.h
*
* This header file supports the Terminal Server WinStation extensions to the
* main network message service.
*
* This interface allows qualifying information to be sent to the extended
* message service to support directing messages to specific users.
*
* Copyright Microsoft Corporation, 1998
*
*
*
*************************************************************************/
//
// Define WinStation control port name
//
#define CTX_MSGSVC_PORT_NAME L"\\CtxMsgSvcQualifier"
#define CTX_MSGSVC_VERSION 1
#define MSGSVC_NAME_LENGTH 16 // NETBIOS_NAME_LENGTH
//
// This is the ConnectInfo structure passed at NtConnectPort() time
// so that the server can verify our access rights.
//
typedef struct _CTX_MSGSVC_CONNECT_INFO {
ULONG Version;
NTSTATUS AcceptStatus;
} CTX_MSGSVC_CONNECT_INFO, *PCTX_MSGSVC_CONNECT_INFO;
typedef struct _PRINT_QUALIFY_MSG {
WCHAR PrintServerName[MSGSVC_NAME_LENGTH];
WCHAR UserName[MSGSVC_NAME_LENGTH];
ULONG PrintJobId;
} PRINT_QUALIFY_MSG;
typedef struct _CTX_MSGSVC_APIMSG {
PORT_MESSAGE h;
ULONG MessageId;
ULONG ApiNumber;
NTSTATUS ReturnedStatus;
union {
PRINT_QUALIFY_MSG Print;
// Add additional messages here in the future
} u;
} CTX_MSGSVC_APIMSG, *PCTX_MSGSVC_APIMSG;
//
// Command message types
//
#define PRINT_QUALIFY 1
// Add additional here
#define CTX_MSGSVC_MAX_API_NUMBER PRINT_QUALIFY+1