c# - Unable to identify WinEdit control in CodedUI test -

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i'm trying hand-code simple codedui test in vs 2013. have simple windows forms app 3 textboxes (txta, txtb , txtc) , button (btnadd) on form. on clicking button, app add numbers entered in txta , txtb , show result in txtc below:

        var = convert.toint32(txta.text);         var b = convert.toint32(txtb.text);         txtc.text = (a + b).tostring();

and coded ui test follows :

[testmethod]     public void codeduitestmethod1()     {         applicationundertest app = applicationundertest.launch(@"c:\users\dileep\documents\visual studio 2013\projects\codeduidemo\simplecalculator\bin\debug\simplecalculator.exe");          winedit txta = new winedit(app);         winedit txtb = new winedit(app);         winedit txtc = new winedit(app);         winbutton btnadd = new winbutton(app);          txta.searchproperties.add(winedit.propertynames.name, "txta");         txtb.searchproperties.add(winedit.propertynames.name, "txtb");         txtc.searchproperties.add(winedit.propertynames.name, "txtc");         btnadd.searchproperties.add(winbutton.propertynames.name, "btnadd");          txta.text = "50";         txtb.text = "50";         mouse.click(btnadd);         var result = txtc.getproperty("text").tostring();         assert.areequal("100", result);     }

when run test, launches app, waits while , fails following error :

result message:

test method semiauto.codeduitest1.codeduitestmethod1 threw exception: microsoft.visualstudio.testtools.uitest.extension.uitestcontrolnotfoundexception: playback failed find control given search properties. additional details: technologyname: 'msaa' controltype: 'edit' name: 'txta' ---> system.runtime.interopservices.comexception: error hresult e_fail has been returned call com component. result stacktrace:
@ microsoft.visualstudio.testtools.uitest.playback.engine.iscreenelement.findalldescendants(string bstrqueryid, object& pvarreskeys, int32 creskeys, int32 nmaxdepth) @ microsoft.visualstudio.testtools.uitest.playback.screenelement.findallscreenelement(string queryid, int32 depth, boolean singlequeryid, boolean throwexception, boolean resetskipstep) @ microsoft.visualstudio.testtools.uitest.playback.screenelement.findscreenelement(string queryid, int32 depth, boolean resetskipstep) @ microsoft.visualstudio.testtools.uitesting.uitestcontrol.findfirstdescendant(string queryid, int32 maxdepth, int32& timeleft) --- end of inner exception stack trace --- @ microsoft.visualstudio.testtools.uitesting.playback.mapcontrolnotfoundexception(comexception ex, iplaybackcontext context) @ microsoft.visualstudio.testtools.uitesting.playback.mapandthrowcomexception(comexception innerexception, iplaybackcontext context) @ microsoft.visualstudio.testtools.uitesting.playback.mapandthrowexception(exception exception, iplaybackcontext context) @ microsoft.visualstudio.testtools.uitesting.playback.mapandthrowexception(exception exception, string queryid) @ microsoft.visualstudio.testtools.uitesting.uitestcontrol.findfirstdescendant(string queryid, int32 maxdepth, int32& timeleft) @ microsoft.visualstudio.testtools.uitesting.searchhelper.getelement(boolean usecache, isearchargument searcharg) @ microsoft.visualstudio.testtools.uitesting.searchhelper.search(isearchargument searcharg) @ microsoft.visualstudio.testtools.uitesting.uitestcontrol.findinternal() @ microsoft.visualstudio.testtools.uitesting.uitestcontrol.findcontrolifnecessary() @ microsoft.visualstudio.testtools.uitesting.uitestcontrol.setpropertyprivate(string propertyname, object value) @ microsoft.visualstudio.testtools.uitesting.uitestcontrol.<>c__displayclass3e.b__3d() @ microsoft.visualstudio.testtools.uitesting.codeduitestmethodinvoker.invokemethod[t](func`1 function, uitestcontrol control, boolean fireplaybackerrorevent, boolean logasaction) @ microsoft.visualstudio.testtools.uitesting.uitestcontrol.setproperty(string propertyname, object value) @ microsoft.visualstudio.testtools.uitesting.wincontrols.winedit.set_text(string value) @ semiauto.codeduitest1.codeduitestmethod1() in c:\users\dileep\documents\visual studio 2013\projects\codeduidemo\semiauto\codeduitest1.cs:line 41

i tried using setproperty method doesn't work.

if run recorder , generate code, wraps controls in winwindow control. example, txta textbox control wrapped in uimap class :

 public class uitxtawindow : winwindow {     public uitxtawindow(uitestcontrol searchlimitcontainer) :              base(searchlimitcontainer)     {         this.searchproperties[winwindow.propertynames.controlname] = "txta";         this.windowtitles.add("form1");     }      public winedit uitxtaedit     {                 {             if ((this.muitxtaedit == null))             {                 this.muitxtaedit = new winedit(this);                 this.muitxtaedit.windowtitles.add("form1");             }             return this.muitxtaedit;         }     }     private winedit muitxtaedit; }

i don't understand why done this. can explain this,please ?

thanks dileep krishnan

you need add filter properties of control . me must first use recorder if new , check properties missing have better idea how coded ui search mechanism works .


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