TestWtsApiExtraDynamicVirtualChannel.c

 
#include <winpr/crt.h>
#include <winpr/error.h>
#include <winpr/wtsapi.h>
 
int TestWtsApiExtraDynamicVirtualChannel(int argc, char* argv[])
{
  WINPR_UNUSED(argc);
  WINPR_UNUSED(argv);
 
  HANDLE hVirtualChannel =
      WTSVirtualChannelOpenEx(WTS_CURRENT_SESSION, "ECHO", WTS_CHANNEL_OPTION_DYNAMIC);
 
  if (hVirtualChannel == INVALID_HANDLE_VALUE)
  {
    printf("WTSVirtualChannelOpen failed: %" PRIu32 "\n", GetLastError());
    return -1;
  }
  printf("WTSVirtualChannelOpen opend");
  ULONG bytesWritten = 0;
  char buffer[1024] = { 0 };
  size_t length = sizeof(buffer);
  BOOL bSuccess = WTSVirtualChannelWrite(hVirtualChannel, buffer, length, &bytesWritten);
 
  if (!bSuccess)
  {
    printf("WTSVirtualChannelWrite failed: %" PRIu32 "\n", GetLastError());
    return -1;
  }
  printf("WTSVirtualChannelWrite written");
 
  ULONG bytesRead = 0;
  bSuccess = WTSVirtualChannelRead(hVirtualChannel, 5000, (PCHAR)buffer, length, &bytesRead);
 
  if (!bSuccess)
  {
    printf("WTSVirtualChannelRead failed: %" PRIu32 "\n", GetLastError());
    return -1;
  }
  printf("WTSVirtualChannelRead read");
 
  if (!WTSVirtualChannelClose(hVirtualChannel))
  {
    printf("WTSVirtualChannelClose failed\n");
    return -1;
  }
 
  return 0;
}