求大神看下这段简单的代码哪出问题了

qq759979949

ProErr err;
        ProMdl crtMdl;
        err = ProMdlCurrentGet(&crtMdl);
if(err != PRO_TK_NO_ERROR) return;
        ProAsmcomp asmcomp;
        asmcomp.id = 46;
        asmcomp.owner = crtMdl;
        asmcomp.type = PRO_FEATURE;
        ProMdl subMdl;
        ProAsmcompMdlGet(&asmcomp, &subMdl);
        ProName mdlName;
        ProMdlNameGet(subMdl, mdlName);
        AfxMessageBox((CString)mdlName);



我加载到creo里，打开一个零件，运行这个程序，creo就崩溃了

Jeff.Lee

程序不完整吧，缺少一些函数基本void UserReplaceInstanceInAssembly()