VB.Net Tutorial/GUI/ColorDialog
Содержание
ColorDialog: Named Color or R G B value
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class ColorDialogNamedColorRGB
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class Public Class Form1
Private Sub ActChange_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ActChange.Click
ColorSelector.Color = ColorDisplay.BackColor
If (ColorSelector.ShowDialog() = Windows.Forms.DialogResult.OK) Then
ColorDisplay.BackColor = ColorSelector.Color
If (ColorSelector.Color.IsNamedColor = True) Then
ColorName.Text = ColorSelector.Color.Name
Else
ColorName.Text = "R" & ColorSelector.Color.R & " G" & ColorSelector.Color.G & " B" & ColorSelector.Color.B
End If
End If
End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected 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.ruponentModel.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.ColorDisplay = New System.Windows.Forms.PictureBox
Me.ActChange = New System.Windows.Forms.Button
Me.Label1 = New System.Windows.Forms.Label
Me.ColorName = New System.Windows.Forms.Label
Me.ColorSelector = New System.Windows.Forms.ColorDialog
CType(Me.ColorDisplay, System.ruponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
"
"ColorDisplay
"
Me.ColorDisplay.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
Me.ColorDisplay.Location = New System.Drawing.Point(88, 24)
Me.ColorDisplay.Name = "ColorDisplay"
Me.ColorDisplay.Size = New System.Drawing.Size(128, 64)
Me.ColorDisplay.TabIndex = 0
Me.ColorDisplay.TabStop = False
"
"ActChange
"
Me.ActChange.Location = New System.Drawing.Point(144, 96)
Me.ActChange.Name = "ActChange"
Me.ActChange.Size = New System.Drawing.Size(75, 23)
Me.ActChange.TabIndex = 1
Me.ActChange.Text = "Change..."
Me.ActChange.UseVisualStyleBackColor = True
"
"Label1
"
Me.Label1.AutoSize = True
Me.Label1.Location = New System.Drawing.Point(8, 8)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(74, 13)
Me.Label1.TabIndex = 2
Me.Label1.Text = "Current Color: "
"
"ColorName
"
Me.ColorName.AutoSize = True
Me.ColorName.Location = New System.Drawing.Point(86, 8)
Me.ColorName.Name = "ColorName"
Me.ColorName.Size = New System.Drawing.Size(69, 13)
Me.ColorName.TabIndex = 3
Me.ColorName.Text = "Not Selected"
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(228, 128)
Me.Controls.Add(Me.ColorName)
Me.Controls.Add(Me.Label1)
Me.Controls.Add(Me.ActChange)
Me.Controls.Add(Me.ColorDisplay)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
Me.MaximizeBox = False
Me.MinimizeBox = False
Me.Name = "Form1"
Me.Text = "Select Color"
CType(Me.ColorDisplay, System.ruponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents ColorDisplay As System.Windows.Forms.PictureBox
Friend WithEvents ActChange As System.Windows.Forms.Button
Friend WithEvents Label1 As System.Windows.Forms.Label
Friend WithEvents ColorName As System.Windows.Forms.Label
Friend WithEvents ColorSelector As System.Windows.Forms.ColorDialog
End Class</source>
Color Dialog with custom color settings
<source lang="vbnet">Imports System.IO Imports System.Windows.Forms public class ColorDialogWithCustomColorSettings
public Shared Sub Main
Dim ColorDB As New ColorDialog()
ColorDB.CustomColors = New Integer() _
{&HFF00FF, &HFF0000, &HF0F0F0, &HF0F0F0, _
&HAAAAAA, &HBBBBBB, &HCCCCCC, &HDDDDDD, _
&HEEEEEE, &HAAA0A0, &HBBB0B0, &HCCC0C0, _
&HDDD0D0, &H111111, &H333333, &H888888}
If (ColorDB.ShowDialog() = DialogResult.OK) Then
Console.WriteLine(ColorDB.Color)
End If
End Sub
End class</source>
Set ColorDialog properties
<source lang="vbnet">Imports System.Drawing Imports System.Windows.Forms public class ColorDialogProperty
public Shared Sub Main
Dim ColorDialog1 As ColorDialog = New System.Windows.Forms.ColorDialog
Dim objSelectedColor As Color
"Dim aryColors() As Integer = {222663, 35453, 7888}
Dim aryColors() As Integer = {Math.Abs(Color.Gray.ToArgb), _
Math.Abs(Color.Navy.ToArgb), _
Math.Abs(Color.Teal.ToArgb)}
With ColorDialog1
.Color = Color.Blue
".AllowFullOpen = False
.FullOpen = True
.AnyColor = True
.CustomColors = aryColors
.SolidColorOnly = True
End With
If ColorDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then
Console.WriteLine(ColorDialog1.Color)
End If
End Sub
End class</source>
Use Color Dialog to set Color
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class ColorDialogSetForgroundBackgroundColor
public Shared Sub Main
Application.Run(New FrmColorDialogTest)
End Sub
End class Public Class FrmColorDialogTest
Inherits System.Windows.Forms.Form Friend WithEvents cmdBackgroundButton As Button Friend WithEvents cmdTextButton As Button
- 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
"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.cmdBackgroundButton = New System.Windows.Forms.Button()
Me.cmdTextButton = New System.Windows.Forms.Button()
Me.SuspendLayout()
"
"cmdBackgroundButton
"
Me.cmdBackgroundButton.Location = New System.Drawing.Point(16, 16)
Me.cmdBackgroundButton.Name = "cmdBackgroundButton"
Me.cmdBackgroundButton.Size = New System.Drawing.Size(160, 24)
Me.cmdBackgroundButton.TabIndex = 0
Me.cmdBackgroundButton.Text = "Change Background Color"
"
"cmdTextButton
"
Me.cmdTextButton.Location = New System.Drawing.Point(16, 56)
Me.cmdTextButton.Name = "cmdTextButton"
Me.cmdTextButton.Size = New System.Drawing.Size(160, 24)
Me.cmdTextButton.TabIndex = 1
Me.cmdTextButton.Text = "Change Text Color"
"
"FrmColorDialogTest
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(192, 93)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdTextButton, Me.cmdBackgroundButton})
Me.Name = "FrmColorDialogTest"
Me.Text = "Using Color Dialogs"
Me.ResumeLayout(False)
End Sub
- End Region
Dim colorBox As ColorDialog = New ColorDialog()
Private Sub cmdTextButton_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles cmdTextButton.Click
Dim result As DialogResult
result = colorBox.ShowDialog()
If result = DialogResult.Cancel Then
Return
End If
cmdBackgroundButton.ForeColor = colorBox.Color
cmdTextButton.ForeColor = colorBox.Color
End Sub
Private Sub cmdBackgroundButton_Click( _
ByVal sender As System.Object, _
ByVal e As System.EventArgs) _
Handles cmdBackgroundButton.Click
Dim result As DialogResult
colorBox.FullOpen = True
result = colorBox.ShowDialog()
If result = DialogResult.Cancel Then
Return
End If
Me.BackColor = colorBox.Color
End Sub
End Class</source>
