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progressbar

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Jun 28th, 2017
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VB.NET 0.85 KB | None | 0 0
  1. Public Class Form1
  2.  
  3.     Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
  4.         Timer1.Start() 'aqui vai iniciar a progressbar (carregamento)
  5.         If ProgressBar1.Value = 100 Then 'depois que carregar até o final, se a pessoa tentar clicar novamente no button e a progressbar estiver toda carregada então
  6.             MsgBox("Já ativado !", MsgBoxStyle.Exclamation) 'vai aparecer essa mensagem
  7.         End If
  8.     End Sub
  9.  
  10.     Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
  11.         ProgressBar1.Increment(2) 'usar progressbar pra decidir o tempo do carregamento
  12.         If ProgressBar1.Value = 100 Then 'se a progressbar chegar no final então
  13.             Timer1.Stop() ' vai parar de carregar
  14.         End If
  15.     End Sub
  16. End Class
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