c# - Excel.Interop: AccessViolation exception when one of the parameters referes to another sheet -


i've tried create recordset using excel.interop , exceldna. use list function function wizard dialog. do: 1) write activecell.formular1c1 value of function ("=myfunction()") 2) , tries run function wizard

            ...             cell.formular1c1 = formulastr;             if (!(bool)cell.functionwizard()) {             ...

function dialog starts , works fine(i can set parameters) when press ok accessviolation error occurs in case if @ least 1 of parameters refers sheet.(if located @ 1 sheet, method works fine). function evaluates after pressing ok button , exception occurs on functionwizard() method. have similar?

---------- update --------------

i made simple dna addin, 1 button.. , error still reproduces: 1) function:

            [excelfunction("my test function")]         public static string mytestfunction(string param1, string param2) {             return "it works!";         }

2) ribbon button code:

        public void onbuttonpressed(iribboncontrol control) {         application exap = (application)exceldnautil.application;          range ac = exap.activecell;         ac.formular1c1 = "=mytestfunction()";         if ((bool)ac.functionwizard()) {             //         }     }

so when set parameters sheet , press ok @ function wizard, accessviolation occurs.

found solution. used:

microsoft.office.interop.excel.dialog dialog = app.dialogs.get_item(microsoft.office.interop.excel.xlbuiltindialog.xldialogfunctionwizard);     if (!(bool)dialog.show()) {

instead of:

 if (!(bool)cell.functionwizard()) {

and works fine.


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