Using different colors in Visual Basic : Color « 2D Graphics « VB.Net Tutorial






Using different colors in Visual Basic
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class ShowColorsVB
   public Shared Sub Main
        Application.Run(New FrmColorForm)
   End Sub
End class



Public Class FrmColorForm
   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

   'Required by the Windows Form Designer
   Private components As System.ComponentModel.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.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(304, 309)

   End Sub

#End Region


   Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
      Dim mBehindColor As Color = Color.Wheat
 
      Dim mFrontColor As Color = Color.FromArgb(100, 0, 0, 255)

      Dim graphicsObject As Graphics = e.Graphics

      Dim textBrush As SolidBrush = New SolidBrush(Color.Black)

      Dim brush As SolidBrush = New SolidBrush(Color.White) 

      graphicsObject.FillRectangle(brush, 4, 4, 275, 180)

      graphicsObject.DrawString(mBehindColor.Name, Me.Font, textBrush, 40, 5)

      brush.Color = mBehindColor

      graphicsObject.FillRectangle(brush, 45, 20, 150, 120)

      graphicsObject.DrawString("Alpha: " & mFrontColor.A & _
         " Red: " & mFrontColor.R & " Green: " & mFrontColor.G _
         & " Blue: " & mFrontColor.B, Me.Font, textBrush, _
         55, 165)

      brush.Color = mFrontColor

      graphicsObject.FillRectangle(brush, 65, 35, 170, 130)
   End Sub ' OnPaint


End Class








17.26.Color
17.26.1.KnownColor.ActiveBorder
17.26.2.ColorTranslator.FromHtml('#0000ff')
17.26.3.Color.FromNameColor.FromName
17.26.4.Color.FromArgbColor.FromArgb
17.26.5.Create Color from R G B values
17.26.6.Create Color from R G B value and Alpha
17.26.7.Create Color from SystemColors
17.26.8.Color AlphaColor Alpha
17.26.9.Convert color from string (FF00FF)Convert color from string (FF00FF)
17.26.10.Color.FromWin32Color.FromWin32
17.26.11.Color.FromHtmlColor.FromHtml
17.26.12.Get Color from static fields defined in ColorGet Color from static fields defined in Color
17.26.13.Color.FromArgb(-1090518785)Color.FromArgb(-1090518785)
17.26.14.Get Hue, Saturation, Brightness from a colorGet Hue, Saturation, Brightness from a color
17.26.15.Using different colors in Visual BasicUsing different colors in Visual Basic
17.26.16.Color: Red, Green, Blue, Hue, Saturation, Brightness, SectorColor: Red, Green, Blue, Hue, Saturation, Brightness, Sector
17.26.17.System.Drawing.ColorTranslator.FromOleSystem.Drawing.ColorTranslator.FromOle
17.26.18.Transparent ColorTransparent Color
17.26.19.Alpha blending colorAlpha blending color