C # progress bar (backgroudworker)

  C # progress bar (backgroudworker)

UsingSystem;

UsingSystem. Collections. Generic;

UsingSystem. componentmodel;

UsingSystem. Data;

UsingSystem. drawing;

UsingSystem. text;

UsingSystem. Windows. forms;

Namespace Progress bar 2

{

Public Partial Class Form1:Form

{

Private BackgroundworkerWorker =New Backgroundworker();

IntN = 0;

PublicForm1 ()

{

Initializecomponent ();

Worker. workerreportsprogress =True;

Worker. workersuppscanscancellation =True;

Worker. dowork + =New Doworkeventhandler(Dowork );

Worker. progresschanged + =New Progresschangedeventhandler(Progesschanged );

Worker. runworkercompleted + =New Runworkercompletedeventhandler(Completework );

}

Public VoidDowork (ObjectSender,DoworkeventargsE)

{

E. Result = computefibonacci (worker, e );

}

Public VoidProgesschanged (ObjectSender,ProgresschangedeventargsE)

{

Progressbarx1.value = E. progresspercentage;

IntV = (Int) (E. progresspercentage/N );

Progressbarx1.text =Convert. Tostring (v) +"%";

}

Public VoidCompletework (ObjectSender,RunworkercompletedeventargsE)

{

Progressbarx1.text ="Processed! ";

}

Private IntComputefibonacci (ObjectSender,DoworkeventargsE)

{

For(IntI = 0; I <= 92800; I ++)

{

If(Worker. cancellationpending)

{

E. Cancel =True;

Return-1;

}

Else

{

Worker. reportprogress (I );//Raise the progesschanged event

}

}

Return-1;

}

Private VoidBtnstart_click (ObjectSender,EventargsE)

{

N = 92800/100;

Progressbarriers 1.maximum = 92800;

Worker. runworkerasync ();//Start background operations

}

Private VoidBtnpause_click (ObjectSender,EventargsE)

{

Worker. cancelasync ();//Request to suspend background operations

}

 }

}