CADSoftTools

Hi Team,
We have used CadImport.dll in our Dot.Net WPF application. We have a scenario where we have to load more than 50 cad images. After importing and doing some operations on the loaded cad designer, process memory will be keep on increasing and we are getting out of memory exception when it exceeds 2GB. If we close the CAD Window, memory is not getting released completely. Kindly know the reason and solution for the same.

Thanks,
Mamatha

Hello Mamatha,

Apparently, you application runs as a 32-bit process. 32-bit processes can allocate a maximum of 2GB of virtual user-mode memory on 32-bit systems, and 4GB of virtual user-mode memory on 64-bit systems. This can make it more difficult for the common language runtime to allocate sufficient contiguous memory when a large allocation is needed. In contrast, 64-bit processes can allocate up to 8TB of virtual memory. To address this exception, recompile your application to target a 64-bit platform.

As for the problem with releasing memory, it may be caused by leaking unmanaged resources. If you are consuming a type that uses unmanaged resources, you should be sure to call its IDisposable.Dispose method when you have finished using it. (Some types also implement a Close method that is identical in function to a Dispose method.)

If you have created a type that uses unmanaged resources, make sure that you have implemented the Dispose pattern and, if necessary, supplied a finalizer.

Mikhail