lunes, 4 de junio de 2012
Calculadora creada por nosotros en VISUAL BASIC 2010
Public Class Calculadora
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles multiplicar.Click
If txtnumero1.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
If Txtnumero2.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
Dim numero1 As Double
numero1 = Convert.ToDouble(txtnumero1.Text)
Dim numero2 As Double
numero2 = Convert.ToDouble(Txtnumero2.Text)
Dim total As Double
total = numero1 * numero2
Txttotal.Text = total
End Sub
Private Sub sumar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles sumar.Click
If txtnumero1.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
If Txtnumero2.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
Dim numero1 As Double
numero1 = Convert.ToDouble(txtnumero1.Text)
Dim numero2 As Double
numero2 = Convert.ToDouble(Txtnumero2.Text)
Dim total As Double
total = numero1 + numero2
Txttotal.Text = total
End Sub
Private Sub limpiar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles limpiar.Click
If txtnumero1.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
If Txtnumero2.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
txtnumero1.Text = vbNullString
Txtnumero2.Text = vbNullString
Txttotal.Text = vbNullString
End Sub
Private Sub restar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles restar.Click
If txtnumero1.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
If Txtnumero2.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
Dim numero1 As Double
numero1 = Convert.ToDouble(txtnumero1.Text)
Dim numero2 As Double
numero2 = Convert.ToDouble(Txtnumero2.Text)
Dim total As Double
total = numero1 - numero2
Txttotal.Text = total
End Sub
Private Sub dividir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles dividir.Click
If txtnumero1.Text = vbNullString Then
MsgBox("Debe ingresar valores ", vbCritical)
Exit Sub
End If
If Txtnumero2.Text = vbNullString Then
MsgBox("Debe ingresar valores", vbCritical)
Exit Sub
End If
Dim numero1 As Double
numero1 = Convert.ToDouble(txtnumero1.Text)
Dim numero2 As Double
numero2 = Convert.ToDouble(Txtnumero2.Text)
Dim total As Double
total = numero1 / numero2
Txttotal.Text = total
End Sub
Private Sub salir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles salir.Click
MsgBox("Gracias por usar la calculadora")
Me.Dispose()
End Sub
Private Sub SalirToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SalirToolStripMenuItem.Click
MsgBox("Gracias por usar la calculadora")
Me.Dispose()
End Sub
Private Sub AcercaDeLaCalculadoraToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AcercaDeLaCalculadoraToolStripMenuItem.Click
MsgBox("Calculadora creada por: Edward Matias Morales Viera" + vbCrLf & "Por más informacion: Sitio Web:www.servicerepair.uphero.com", vbInformation)
End Sub
Private Sub CopiarToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CopiarToolStripMenuItem.Click
txtnumero1.Copy()
Txtnumero2.Copy()
Txttotal.Cut()
End Sub
Private Sub CortarToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CortarToolStripMenuItem.Click
txtnumero1.Cut()
Txtnumero2.Cut()
Txttotal.Cut()
End Sub
Private Sub PegarToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PegarToolStripMenuItem.Click
txtnumero1.Paste()
Txtnumero2.Paste()
Txttotal.Paste()
End Sub
Private Sub DesacherToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DesacherToolStripMenuItem.Click
txtnumero1.Undo()
Txtnumero2.Undo()
Txttotal.Undo()
End Sub
End Class
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