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- Wtsapi32.WTSQuerySessionInformationA to get WTSClientProtocolType
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Jul 07, 2014
02:56 PM
Wtsapi32.WTSQuerySessionInformationA to get WTSClientProtocolType
I've been trying with mixed luck to get the session type. Ironically I had this working at one point but it now fails to prove the correct answer.
#define WTS_CURRENT_SESSION -1
#define WTSClientProtocolType 16
#define WTS_CURRENT_SERVER_HANDLE 0
LONG nReturnBytes;
POINTER pointerToPointer;
SHORT nProtocol;
NUMBER nSuccess;
........
prototype stdcall Wtsapi32.WTSQuerySessionInformationA(NUMBER, NUMBER, NUMBER, POINTER, POINTER);
nSuccess = WTSQuerySessionInformationA(WTS_CURRENT_SERVER_HANDLE, WTS_CURRENT_SESSION, WTSClientProtocolType, &pointerToPointer, &nReturnBytes);
nProtocol = *pointerToPointer;
The return value is always non-0 (aka success) but Unfortunately nProtocol is not 0,1, or 2.
What am I doing wrong?
Thank you,
Dave
#define WTS_CURRENT_SESSION -1
#define WTSClientProtocolType 16
#define WTS_CURRENT_SERVER_HANDLE 0
LONG nReturnBytes;
POINTER pointerToPointer;
SHORT nProtocol;
NUMBER nSuccess;
........
prototype stdcall Wtsapi32.WTSQuerySessionInformationA(NUMBER, NUMBER, NUMBER, POINTER, POINTER);
nSuccess = WTSQuerySessionInformationA(WTS_CURRENT_SERVER_HANDLE, WTS_CURRENT_SESSION, WTSClientProtocolType, &pointerToPointer, &nReturnBytes);
nProtocol = *pointerToPointer;
The return value is always non-0 (aka success) but Unfortunately nProtocol is not 0,1, or 2.
What am I doing wrong?
Thank you,
Dave
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Jul 21, 2014
09:48 AM
I've changed my code again and it works fine
prototype stdcall wtsapi32.WTSQuerySessionInformationA(NUMBER, NUMBER, NUMBER, BYREF POINTER, BYREF LONG);
LONG nReturnBytes;
POINTER pointerToPointer;
nSuccess = wtsapi32.WTSQuerySessionInformationA(WTS_CURRENT_SERVER_HANDLE, WTS_CURRENT_SESSION, WTSClientProtocolType, pointerToPointer, nReturnBytes);
UNTIL the script calls
nResult = SdWelcome( szTitle, szMsg );
After which the values come back corrupted. Why would calls to this installshield function cause the DLL to go from working to failing?
Thanks.
prototype stdcall wtsapi32.WTSQuerySessionInformationA(NUMBER, NUMBER, NUMBER, BYREF POINTER, BYREF LONG);
LONG nReturnBytes;
POINTER pointerToPointer;
nSuccess = wtsapi32.WTSQuerySessionInformationA(WTS_CURRENT_SERVER_HANDLE, WTS_CURRENT_SESSION, WTSClientProtocolType, pointerToPointer, nReturnBytes);
UNTIL the script calls
nResult = SdWelcome( szTitle, szMsg );
After which the values come back corrupted. Why would calls to this installshield function cause the DLL to go from working to failing?
Thanks.