Alpha blending color : Color « 2D Graphics « VB.Net Tutorial

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VB.Net Tutorial » 2D Graphics » Color 
17.26.19.Alpha blending color
Alpha blending color
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class AlphaBlending
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

public class Form1
  Inherits System.Windows.Forms.Form

  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
        Dim As Graphics = Me.CreateGraphics()
        g.Clear(Me.BackColor)

        Dim curImage As Image = Image.FromFile("yourfile.jpg")
        g.DrawImage(curImage, 00, curImage.Width, curImage.Height)
        Dim opqPen As New Pen(Color.FromArgb(25502550)10)
        Dim transPen As New Pen(Color.FromArgb(12802550)10)
        Dim totTransPen As New Pen(Color.FromArgb(4002550)10)
        g.DrawLine(opqPen, 101020010)
        g.DrawLine(transPen, 103020030)
        g.DrawLine(totTransPen, 105020050)
        Dim semiTransBrush As New SolidBrush(Color.FromArgb(6002550))
        g.FillRectangle(semiTransBrush, 20100200100)

        g.Dispose()

        
  End Sub

  Public Sub New()
   
    MyBase.New()
    Me.AutoScaleBaseSize = New System.Drawing.Size(513)
    Me.ClientSize = New System.Drawing.Size(292273)
    Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen

  End Sub

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
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