如何解决错误“BC30420”“解决方案”中没有子主程序可视化基本窗口形式
我在尝试编译解决方案时遇到问题(visual basic winodws form)。它说:(错误 BC30420 在“problem1”中没有“sub main”)。有谁知道我需要在哪里写“sub main”?我在视觉上有点新,谢谢!
公开课表格1
Private Sub Limpiar()
cbosuma.Items.Clear()
cboresta.Items.Clear()
cbomultiplicacion.Items.Clear()
cbodivision.Items.Clear()
End Sub
Private Sub btnnuevo_Click(sender As Object,e As EventArgs) Handles btnnuevo.Click
Call limpiar()
txtnumero.Clear()
End Sub
Private Sub btncalcular_Click(sender As Object,e As EventArgs) Handles btncalcular.Click
'Dejar en blanco los comboBox
Call limpiar()
'Declaración de variables
Dim num As Integer
Dim suma As Integer
Dim resta As Integer
Dim mult As Integer
Dim div As Double
'EnTrada de datos
num = Val(txtnumero.Text)
'Proceso
For i = 1 To 12 Step 1
suma = num + i
resta = num - i
mult = num * i
div = num / i
'Salida de Información
cbosuma.Items.Add(num & " + " & i & " = " & suma)
cboresta.Items.Add(num & " - " & i & " = " & resta)
cbomultiplicacion.Items.Add(num & " * " & i & " = " & mult)
cbodivision.Items.Add(num & " / " & i & " = " & div)
Next
End Sub
Private Sub btnsalir_Click(sender As Object,e As EventArgs) Handles btnsalir.Click
Me.Close()
End Sub
结束课程
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