Using pointers in DLLs with Labview

[kewal]

Here are 2 useful links I had come across for dealing with pointers in DLLs:

• Passing and Receiving Pointers with C/C++ DLLs from LabVIEW
• Dereferencing Pointers from C/C++ DLLs in LabVIEW

There are a few hidden subVIs mentioned in the links to help with pointers in DLLs which reside here:

<LabVIEW>\vi.lib\Utility\importsl

These proved very useful when trying to work with a DLL which required a void pointer to be passed into it so the DLL could populate it with data based on the type of info that is requested (void * pvInfoGet as shown in the example below - that VI was generated using the Import Shared Library Wizard)

I used these subVIs as shown in the example below

Hope this info is helpful!

[Thoric]

Great stuff Kewal, thanks for taking the time to find and share these!