how to make dll

[Yuanxj]

hi all. in my attachment has 2 vis. both 2 i've made dll. why only the numerical vi can be called and succeed.the vi has array can not be called succeed.  Any help would be appreciated.

[Yuanxj · Accepted solution]

https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z0000019Ls1SAE&l=zh-CN done.