internal static int DetermineClientVersion()
{
if (_clientVersion == 0)
{
int num = 0;
MODE environmentMode = MODE.OCI_DATA_AT_EXEC | MODE.OCI_BATCH_MODE;
try
{
System.Data.Common.UnsafeNativeMethods.OCILobCopy2(IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, 0L, 0L, 0L);
num = 0x65;
}
catch (EntryPointNotFoundException exception6)
{
System.Data.Common.ADP.TraceException(exception6);
try
{
OciHandle handle = new OciNlsEnvironmentHandle(environmentMode);
if (!handle.IsInvalid)
{
num = 0x5c;
OciHandle.SafeDispose(ref handle);
}
}
catch (EntryPointNotFoundException exception5)
{
System.Data.Common.ADP.TraceException(exception5);
try
{
environmentMode |= MODE.OCI_UTF16;
OciHandle handle2 = new OciEnvironmentHandle(environmentMode, true);
num = 90;
OciHandle.SafeDispose(ref handle2);
}
catch (EntryPointNotFoundException exception4)
{
System.Data.Common.ADP.TraceException(exception4);
num = 80;
}
catch (Exception exception)
{
if (!System.Data.Common.ADP.IsCatchableExceptionType(exception))
{
throw;
}
System.Data.Common.ADP.TraceException(exception);
num = 0x51;
}
}
}
catch (DllNotFoundException exception3)
{
System.Data.Common.ADP.TraceException(exception3);
num = 0x49;
}
catch (BadImageFormatException exception2)
{
throw System.Data.Common.ADP.BadOracleClientImageFormat(exception2);
}
if (0x51 > num)
{
throw System.Data.Common.ADP.BadOracleClientVersion();
}
_clientVersion = num;
}
return(_clientVersion);
}
internal static int DetermineClientVersion()
{
if (_clientVersion == 0)
{
int num = 0;
MODE environmentMode = MODE.OCI_DATA_AT_EXEC | MODE.OCI_BATCH_MODE;
try
{
System.Data.Common.UnsafeNativeMethods.OCILobCopy2(IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, 0L, 0L, 0L);
num = 0x65;
}
catch (EntryPointNotFoundException exception6)
{
System.Data.Common.ADP.TraceException(exception6);
try
{
OciHandle handle = new OciNlsEnvironmentHandle(environmentMode);
if (!handle.IsInvalid)
{
num = 0x5c;
OciHandle.SafeDispose(ref handle);
}
}
catch (EntryPointNotFoundException exception5)
{
System.Data.Common.ADP.TraceException(exception5);
try
{
environmentMode |= MODE.OCI_UTF16;
OciHandle handle2 = new OciEnvironmentHandle(environmentMode, true);
num = 90;
OciHandle.SafeDispose(ref handle2);
}
catch (EntryPointNotFoundException exception4)
{
System.Data.Common.ADP.TraceException(exception4);
num = 80;
}
catch (Exception exception)
{
if (!System.Data.Common.ADP.IsCatchableExceptionType(exception))
{
throw;
}
System.Data.Common.ADP.TraceException(exception);
num = 0x51;
}
}
}
catch (DllNotFoundException exception3)
{
System.Data.Common.ADP.TraceException(exception3);
num = 0x49;
}
catch (BadImageFormatException exception2)
{
throw System.Data.Common.ADP.BadOracleClientImageFormat(exception2);
}
if (0x51 > num)
{
throw System.Data.Common.ADP.BadOracleClientVersion();
}
_clientVersion = num;
}
return _clientVersion;
}
