c# - Blocking User Process Controller from executing before Control on Winform Fully Loaded and Shown -

i'm creating excel vsto using c#. operation easy, right-click on cell , click on "update" , winform shows progress status prompt out , launch controls on form tied user process controller.

the problem process has launched , executed before form load, there way can block user process controller executing before control on progress status form shown , loaded? image below depict condition.

i have tried put user process controller call in form activated, shown, loaded, , nothing works.

this first stage form loaded. note : 2 line of text has shown user control process has been executed.

this second stage form loaded.

this third stage

and loaded.

i have discovered "hack" overcome issue. add in backgroundworker , done follow code on form constructor.

 public summarystatus()  {             initializecomponent();              backgroundworker = new backgroundworker();             backgroundworker.dowork += backgroundworker_dowork;             backgroundworker.runworkercompleted += backgroundworker_runworkercompleted;             backgroundworker.runworkerasync();  } 

and on dowork event of backgroundworker

 void backgroundworker_dowork(object sender, doworkeventargs e)  {             system.threading.thread.sleep(2000);  } 

and finally, added following code in run worker completed

void backgroundworker_runworkercompleted(object sender, runworkercompletedeventargs e) {             updateupc upc = new updateupc();             upc.txtupdatesummary = txtupdateprogress;             upc.updateprogressbar = updateprogressbar;             upc.updatestatusonitem(); } 

i understand above might not acceptable solution might provide workaround issue. however, if has better solution, feel free drop in suggestion.