public override object?ConvertTo(ITypeDescriptorContext?context, CultureInfo?culture, object?value, Type destinationType)
{
if (destinationType == null)
{
throw ADP.ArgumentNull("destinationType");
}
if ((destinationType == typeof(string)) && (value != null) && (value is int))
{
return(ODB.ELookup((OleDbHResult)value));
}
return(base.ConvertTo(context, culture, value, destinationType));
}
private void FillCloseError(COMException e, Exception f)
{
#if DEBUG
if (AdapterSwitches.DataError.TraceError)
{
Debug.WriteLine(e.ToString() + " " + ODB.ELookup(e.ErrorCode));
}
#endif
if (ODB.ADODB_AlreadyClosedError != e.ErrorCode)
{
throw f;
}
}
internal static OleDbHResult GetErrorDescription(UnsafeNativeMethods.IErrorInfo errorInfo, OleDbHResult hresult, out string message)
{
OleDbHResult hr = errorInfo.GetDescription(out message);
if (((int)hr < 0) && ADP.IsEmpty(message))
{
message = FailedGetDescription(hr) + Environment.NewLine + ODB.ELookup(hresult);
}
if (ADP.IsEmpty(message))
{
message = ODB.ELookup(hresult);
}
return(hr);
}
internal static OleDbException NoErrorInformation(string provider, OleDbHResult hr, Exception inner)
{
OleDbException e;
if (!ADP.IsEmpty(provider))
{
e = new OleDbException(SR.Format(SR.OleDb_NoErrorInformation2, provider, ODB.ELookup(hr)), hr, inner);
}
else
{
e = new OleDbException(SR.Format(SR.OleDb_NoErrorInformation, ODB.ELookup(hr)), hr, inner);
}
ADP.TraceExceptionAsReturnValue(e);
return(e);
}
private void FillNextResultError(COMException e, Exception f)
{
#if DEBUG
if (AdapterSwitches.DataError.TraceError)
{
Debug.WriteLine(e.ToString() + " " + ODB.ELookup(e.ErrorCode));
}
#endif
// i.e. ADODB.Recordset opened with adCmdTableDirect
// Current provider does not support returning multiple recordsets from a single execution.
if (ODB.ADODB_NextResultError != e.ErrorCode)
{
throw f;
}
}
static internal OleDbHResult GetErrorDescription(UnsafeNativeMethods.IErrorInfo errorInfo, OleDbHResult hresult, out string message)
{
Bid.Trace("<oledb.IErrorInfo.GetDescription|API|OS>\n");
OleDbHResult hr = errorInfo.GetDescription(out message);
Bid.Trace("<oledb.IErrorInfo.GetDescription|API|OS|RET> %08X{HRESULT}, Message='%ls'\n", hr, message);
if (((int)hr < 0) && ADP.IsEmpty(message))
{
message = FailedGetDescription(hr) + Environment.NewLine + ODB.ELookup(hresult);
}
if (ADP.IsEmpty(message))
{
message = ODB.ELookup(hresult);
}
return(hr);
}
internal static string FailedGetSource(OleDbHResult errorcode)
{
return(SR.Format(SR.OleDb_FailedGetSource, ODB.ELookup(errorcode)));
}
internal static string FailedGetDescription(OleDbHResult errorcode)
{
return(SR.Format(SR.OleDb_FailedGetDescription, ODB.ELookup(errorcode)));
}
internal static string NoErrorMessage(OleDbHResult errorcode)
{
return(SR.Format(SR.OleDb_NoErrorMessage, ODB.ELookup(errorcode)));
}
static internal string FailedGetSource(OleDbHResult errorcode)
{
return(Res.GetString(Res.OleDb_FailedGetSource, ODB.ELookup(errorcode)));
}
static internal string FailedGetDescription(OleDbHResult errorcode)
{
return(Res.GetString(Res.OleDb_FailedGetDescription, ODB.ELookup(errorcode)));
}
static internal string NoErrorMessage(OleDbHResult errorcode)
{
return(Res.GetString(Res.OleDb_NoErrorMessage, ODB.ELookup(errorcode)));
}