public static void SendKeys(string InSessId, string InKeys)
{
int loopCx = 0;
StringBuilder sbKeys = null;
while (true)
{
++loopCx;
sbKeys = new StringBuilder(InKeys.Length);
sbKeys.Append(InKeys);
UInt32 rc = 0;
UInt32 f = Ehllapier.InputCodes.HA_SENDKEY;
UInt32 l = (UInt32)sbKeys.Length;
UInt32 rv = PcsDll.hllapi(out f, sbKeys, out l, out rc);
// 5 = input to the targer session was inhibited or rejected. all of
// the keystrokes could not be sent.
if ((rc == 5) && (loopCx < 5))
{
Thread.Sleep(1);
continue;
}
else if ((rc != 0) || (rv != 0))
{
throw new EhllapiExcp("SendKeys failed. Session " + InSessId + " failed");
}
else
{
break;
}
}
}
// ------------------------------- Connect -----------------------------
public static void Connect(string SessId)
{
UInt32 rc;
var sbData = new StringBuilder(4);
sbData.Append(SessId);
UInt32 retc = 0;
UInt32 f = InputCodes.CONNECT_PS;
UInt32 l = 4;
rc = PcsDll.hllapi(out f, sbData, out l, out retc);
if ((rc != 0) && (rc != 4) && (rc != 5))
{
throw new EhllapiExcp("connect to session " + SessId + " failed");
}
}
public static void Wait(string InSessId)
{
StringBuilder Data = new StringBuilder(0);
UInt32 rc = 0;
UInt32 f = Ehllapier.InputCodes.HA_WAIT;
UInt32 l = 0;
UInt32 rv = PcsDll.hllapi(out f, Data, out l, out rc);
if ((rc != 0) || (rv != 0))
{
throw new EhllapiExcp(
"Session wait failed. " +
" rc: " + rc.ToString() +
" SessId: " + InSessId);
}
}
public static void Disconnect(string InSessId)
{
UInt32 rc;
StringBuilder sbData = new StringBuilder(4);
sbData.Append(InSessId);
UInt32 retc = 0;
UInt32 f = Ehllapier.InputCodes.DISCONNECT_PS;
UInt32 l = 4;
rc = PcsDll.hllapi(out f, sbData, out l, out retc);
if (rc != 0)
{
throw new EhllapiExcp("Disconnect from session " + InSessId + " failed");
}
}
public static DisplayLocation QueryCursorLocation(string InSessId)
{
StringBuilder sbKeys = new StringBuilder(10);
UInt32 rc = 0;
UInt32 funcNx = Ehllapier.InputCodes.QueryCursorLocation;
UInt32 lgth = 0;
UInt32 rv = PcsDll.hllapi(out funcNx, sbKeys, out lgth, out rc);
if ((rc != 0) || (rv != 0))
{
throw new EhllapiExcp(
"QueryCursorLocation failed.");
}
// cursor location is stored as an int16 in the first two bytes of lgth.
byte[] bits = BitConverter.GetBytes(lgth);
UInt32 psPos = BitConverter.ToUInt16(bits, 0);
DisplayLocation loc = PS_ToDisplayLocation(InSessId, psPos);
return(loc);
}
public static string CopyPresentationSpaceToString(string InSessId)
{
UInt32 pos = 1;
UInt32 len = 80 * 24;
StringBuilder sbData = null;
while (true)
{
sbData = new StringBuilder(3000);
UInt32 rc = pos;
UInt32 f = Ehllapier.InputCodes.HA_COPY_PS_TO_STR;
UInt32 l = len;
UInt32 rv = PcsDll.hllapi(out f, sbData, out l, out rc);
// waiting for host response. likely, there is a new screen coming from
// the host. wait until it arrives.
if (rc == 4)
{
Thread.Sleep(1);
continue;
}
else if ((rv != 0) || (rc != 0))
{
throw new EhllapiExcp(
"copy_ps_to_str failed. Session " + InSessId +
" rv:" + rv.ToString() +
" rc:" + rc.ToString() +
" ps:" + sbData.ToString());
}
else
{
break;
}
}
return(sbData.ToString());
}