в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

Admin: 1 версия

2010-05-26T12:57:17Z

1 версия

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==Get input from a password field==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class PasswordFieldMatch
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class

Public Class Form1
Inherits System.Windows.Forms.Form
Public Sub New()
MyBase.New()
InitializeComponent()
End Sub
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
Private components As System.ruponentModel.IContainer
Friend WithEvents Label1 As System.Windows.Forms.Label
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents Button2 As System.Windows.Forms.Button
Friend WithEvents Button3 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Label1 = New System.Windows.Forms.Label
Me.TextBox1 = New System.Windows.Forms.TextBox
Me.Button1 = New System.Windows.Forms.Button
Me.Button2 = New System.Windows.Forms.Button
Me.Button3 = New System.Windows.Forms.Button
Me.SuspendLayout()
"
"Label1
"
Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 15.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Label1.Location = New System.Drawing.Point(16, 16)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(152, 32)
Me.Label1.TabIndex = 0
Me.Label1.Text = "Password"
"
"TextBox1
"
Me.TextBox1.Location = New System.Drawing.Point(40, 64)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.PasswordChar = Microsoft.VisualBasic.ChrW(42)
Me.TextBox1.Size = New System.Drawing.Size(160, 20)
Me.TextBox1.TabIndex = 1
Me.TextBox1.Text = ""
"
"Button1
"
Me.Button1.Location = New System.Drawing.Point(80, 96)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(80, 24)
Me.Button1.TabIndex = 2
Me.Button1.Text = "Input"
"
"Button2
"
Me.Button2.Location = New System.Drawing.Point(80, 136)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(80, 24)
Me.Button2.TabIndex = 3
Me.Button2.Text = "Check"
"
"Button3
"
Me.Button3.Location = New System.Drawing.Point(80, 176)
Me.Button3.Name = "Button3"
Me.Button3.Size = New System.Drawing.Size(80, 24)
Me.Button3.TabIndex = 4
Me.Button3.Text = "Exit"
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(256, 222)
Me.Controls.Add(Me.Button3)
Me.Controls.Add(Me.Button2)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.TextBox1)
Me.Controls.Add(Me.Label1)
Me.ResumeLayout(False)
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
TextBox1.Text = ""
TextBox1.Focus()
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim answer As Object
Dim caption As String
Dim pwd As String
pwd = "Visual Basic"
caption = "Password"
If TextBox1.Text = pwd Then
answer = MsgBox("Match", 1, caption)
Else
answer = MsgBox("Does not Match", 1, caption)
End If
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
End
End Sub
End Class</source>

==Using a textbox, label and button to display the hidden text in a password box.==

<source lang="vbnet">Imports System.Windows.Forms
public class GetTextPasswordField
public Shared Sub Main
Application.Run(New FrmButtonTest)
End Sub
End class

Public Class FrmButtonTest
Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
Friend WithEvents lblOutput As System.Windows.Forms.Label
Friend WithEvents txtInput As System.Windows.Forms.TextBox
Friend WithEvents cmdShow As System.Windows.Forms.Button
"Required by the Windows Form Designer
Private components As System.ruponentModel.Container
"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.cmdShow = New System.Windows.Forms.Button()
Me.txtInput = New System.Windows.Forms.TextBox()
Me.lblOutput = New System.Windows.Forms.Label()
Me.SuspendLayout()
"
"cmdShow
"
Me.cmdShow.Font = New System.Drawing.Font("Microsoft Sans Serif", 11.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.cmdShow.Location = New System.Drawing.Point(88, 88)
Me.cmdShow.Name = "cmdShow"
Me.cmdShow.Size = New System.Drawing.Size(96, 40)
Me.cmdShow.TabIndex = 2
Me.cmdShow.Text = "Show Me"
"
"txtInput
"
Me.txtInput.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.txtInput.Location = New System.Drawing.Point(16, 16)
Me.txtInput.Name = "txtInput"
Me.txtInput.PasswordChar = Microsoft.VisualBasic.ChrW(42)
Me.txtInput.Size = New System.Drawing.Size(232, 22)
Me.txtInput.TabIndex = 0
Me.txtInput.Text = ""
"
"lblOutput
"
Me.lblOutput.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
Me.lblOutput.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.lblOutput.Location = New System.Drawing.Point(16, 56)
Me.lblOutput.Name = "lblOutput"
Me.lblOutput.Size = New System.Drawing.Size(232, 23)
Me.lblOutput.TabIndex = 1
"
"FrmButtonTest
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(264, 141)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdShow, Me.lblOutput, Me.txtInput})
Me.Name = "FrmButtonTest"
Me.Text = "LabelTextBoxButtonExample"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub cmdShow_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles cmdShow.Click
lblOutput.Text = txtInput.Text
End Sub
End Class</source>

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VB.Net Tutorial/GUI/Password Field - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия