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Gerardo progra 5
1. UNIVERSIDAD GERARDO
BARRIOS SAN MIGUEL
ALUMNO:
GERARDO STEVEN MEJIA
PERDOMO
ASIGNATURA :
PROGRAMACION
COMPUTACIONAL 1
INGENIERA:
GISELA ESPINOZA
CARRERA:
INGENERIA EN SISTEMAS
GRUPO:
A
2. EJERCICIO1
Public Class Form1
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
ComboBox1.Items.Add("Suma")
ComboBox1.Items.Add("Resta")
ComboBox1.Items.Add("Division")
ComboBox1.Items.Add("Multiplicacion")
End Sub
Private Sub ComboBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles
ComboBox1.SelectedIndexChanged
Dim a As Double
Dim b As Double
Dim c As Double
Dim operadores As String
a = TextBox1.Text
b = TextBox2.Text
c = 0
operadores = ComboBox1.Text
If operadores = "Suma" Then
c = a + b
ElseIf operadores = "Resta" Then
c = a - b
ElseIf operadores = "Division" Then
c = a / b
ElseIf operadores = "Multiplicacion" Then
c = a * b
Else
MsgBox("No selecciono ninguna operacion")
End If
Label4.Text = c
3. EJERCICIO2
Formulario1
Public Class Form1
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
If Form2.login = 1 Then
ComboBox1.Items.Add("Suma")
ComboBox1.Items.Add("Resta")
ComboBox1.Items.Add("Division")
ComboBox1.Items.Add("Multiplicacion")
Label6.Text = "ugb"
ElseIf Form2.login = 2 Then
ComboBox1.Items.Add("Resta")
ComboBox1.Items.Add("Division")
ComboBox1.Items.Add("Multiplicacion")
Label6.Text = "ugbSM"
ElseIf Form2.login = 3 Then
ComboBox1.Items.Add("Suma")
Label6.Text = "invitado"
End If
End Sub
Private Sub ComboBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles
ComboBox1.SelectedIndexChanged
Dim a As Double
Dim b As Double
Dim c As Double
Dim operadores As String
a = TextBox1.Text
b = TextBox2.Text
c = 0
operadores = ComboBox1.Text
If operadores = "Suma" Then
c = a + b
ElseIf operadores = "Resta" Then
c = a - b
ElseIf operadores = "Division" Then
c = a / b
ElseIf operadores = "Multiplicacion" Then
c = a * b
Else
MsgBox("No selecciono ninguna operacion")
End If
Label4.Text = c
4. End Sub
End Class
FORMULARIO 2
Public Class Form2
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
star(USER.Text)
End Sub
Private Sub Form2_Load(sender As Object, e As EventArgs) Handles MyBase.Load
End Sub
Public login As Integer
Public Function star(ByVal USER As String)
If USER = "ugb" Then
login = 1
Form1.Show()
ElseIf USER = "ugbSM" Then
login = 2
Form1.Show()
ElseIf USER = "invitado" Then
login = 3
Form1.Show()
End If
End Function
End Class