public IStep OnNext()
{
ITelescope scope = null;
if (string.IsNullOrEmpty(Settings1.Default.LastMountId))
{
_state.ShowMessage("No telescope mount driver selected.");
return(null);
}
try
{
scope = CreateScope(Settings1.Default.LastMountId);
}
catch (Exception e)
{
_state.ShowMessage("Cannot create ASCOM mount driver " + Settings1.Default.LastMount + "\r\nBecause : " + e.Message);
return(null);
}
if (scope.AlignmentMode != AlignmentModes.algGermanPolar)
{
_state.ShowMessage(_state.AppName + " will only work with a German Equatorial style mount (as it needs the meridian flip to happen when swapping sides of the meridian).");
return(null);
}
try
{
scope.Connected = true;
_state.Mount = scope;
}
catch (Exception ex)
{
_state.ShowMessage("Could not connect to scope driver : " + ex.Message);
return(null);
}
return(new ScopePropertiesStep());
}
public void DisconnectTelescope(CallType callType = CallType.Async, Guid? clientId = null, CallbackAction callback = null, Control callbackUIControl = null)
{
IsolatedAction(() =>
{
try
{
if (m_ConnectedTelescope != null)
{
AssertTelescopeEngagement(clientId);
ASCOMClient.Instance.DisconnectTelescope(m_ConnectedTelescope);
m_ConnectedTelescope = null;
}
}
catch (Exception ex)
{
OnTelescopeErrored();
Trace.WriteLine(ex.GetFullStackTrace());
return ex;
}
OnTelescopeDisconnected();
return null;
},
callType, callback, callbackUIControl);
}
public void TryConnectTelescope(CallType callType = CallType.Async, Guid? clientId = null, CallbackAction callback = null, Control callbackUIControl = null)
{
IsolatedAction(() =>
{
try
{
if (m_ConnectedTelescope != null && m_ConnectedTelescope.ProgId != Settings.Default.ASCOMProgIdTelescope)
{
AssertTelescopeEngagement(clientId);
ASCOMClient.Instance.DisconnectTelescope(m_ConnectedTelescope);
m_ConnectedTelescope = null;
}
if (m_ConnectedTelescope == null && !string.IsNullOrEmpty(Settings.Default.ASCOMProgIdTelescope))
m_ConnectedTelescope = ASCOMClient.Instance.CreateTelescope(Settings.Default.ASCOMProgIdTelescope, Settings.Default.TelPulseSlowestRate, Settings.Default.TelPulseSlowRate, Settings.Default.TelPulseFasterRate);
if (m_ConnectedTelescope != null)
{
if (!m_ConnectedTelescope.Connected)
{
OnTelescopeConnecting();
m_ConnectedTelescope.Connected = true;
OnTelescopeConnected();
}
else
OnTelescopeConnected();
TelescopeCapabilities capabilities = m_ConnectedTelescope.GetTelescopeCapabilities();
OnTelescopeCapabilitiesKnown(capabilities);
TelescopeState state = m_ConnectedTelescope.GetCurrentState();
OnTelescopeState(state);
return state;
}
return null;
}
catch (Exception ex)
{
OnTelescopeErrored();
Trace.WriteLine(ex.GetFullStackTrace());
return ex;
}
},
callType, callback, callbackUIControl);
}
