Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Drawing
Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Private Sub txtZip_Validating(ByVal sender As Object, _
ByVal e As System.ComponentModel.CancelEventArgs) Handles txtZip.Validating
If Not (txtZip.Text Like "#####") Then
ErrorProvider1.SetError(txtZip, "Invalid ZIP code format")
Else
ErrorProvider1.SetError(txtZip, "")
End If
End Sub
End Class
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
End If
MyBase.Dispose(disposing)
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.components = New System.ComponentModel.Container
Me.txtState = New System.Windows.Forms.TextBox
Me.txtZip = New System.Windows.Forms.TextBox
Me.ErrorProvider1 = New System.Windows.Forms.ErrorProvider(Me.components)
CType(Me.ErrorProvider1, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
'txtState
'
Me.txtState.Location = New System.Drawing.Point(88, 104)
Me.txtState.Name = "txtState"
Me.txtState.Size = New System.Drawing.Size(40, 20)
Me.txtState.TabIndex = 9
'
'txtZip
'
Me.txtZip.Location = New System.Drawing.Point(192, 104)
Me.txtZip.Name = "txtZip"
Me.txtZip.Size = New System.Drawing.Size(40, 20)
Me.txtZip.TabIndex = 11
'
'ErrorProvider1
'
Me.ErrorProvider1.ContainerControl = Me
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(292, 130)
Me.Controls.Add(Me.txtZip)
Me.Controls.Add(Me.txtState)
Me.Name = "Form1"
Me.Text = "UseErrorProvider"
CType(Me.ErrorProvider1, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents txtZip As System.Windows.Forms.TextBox
Friend WithEvents txtState As System.Windows.Forms.TextBox
Friend WithEvents ErrorProvider1 As System.Windows.Forms.ErrorProvider
End Class
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