Hi
I have a DLL function acting as a dynamic data source within a LabVIEW application (see attachment) - I am using DSNewHandle to dynamically allocate 2D array handle storage via the LV memory manager for the arbitrary size data arrays to be passed into the application. I had assumed that these memory blocks would (magically) be disposed when appropriate by the LabVIEW built in processing blocks that sit downstream, however this is not the case and the LabVIEW system memory usage keeps increasing until LabVIEW environment is exited (not simply if just the offending application is stopped or closed).
So my question is how and where to mop up the used up array buffers in the application processing chain and how do I know when the buffers are actually exhausted and not being reused downstream (for instance the two 2D arrays are first combined into a complex 2D array by the re+im to complex labview operator - is the data memory out of this stage totally different from the inputs or is it some modified version of the input arrays - if totally different and the input 2D arrays are not wired into any other blocks why does the operator not dispose the input data stores?)
Perhaps Im going about this the wrong way having the DLL data source dynamically allocate the data space arrays? Any advice would be gratefully received
Regards
Steve