public void Dispose()
{
if (handle != 0)
{
SpssSafeWrapper.spssCloseRead(handle);
handle = 0;
}
}
/// <summary>
/// When overridden in a derived class, executes the code required to free the handle.
/// </summary>
/// <returns>
/// true if the handle is released successfully; otherwise, in the event of a catastrophic failure, false. In this case, it generates a releaseHandleFailed MDA Managed Debugging Assistant.
/// </returns>
protected override bool ReleaseHandle()
{
switch (this.accessMode)
{
case SpssFileAccess.Read:
ReturnCode result = SpssSafeWrapper.spssCloseRead(this.handle.ToInt32());
return(result == ReturnCode.SPSS_OK);
case SpssFileAccess.Append:
result = SpssSafeWrapper.spssCloseAppendImpl(this.handle.ToInt32());
return(result == ReturnCode.SPSS_OK);
case SpssFileAccess.Create:
result = SpssSafeWrapper.spssCloseWriteImpl(this.handle.ToInt32());
return(result == ReturnCode.SPSS_OK || result == ReturnCode.SPSS_DICT_NOTCOMMIT);
default:
return(false);
}
}