Color.FromArgb : Color « System.Drawing « VB.Net by API

1. VB.Net by API
2. System.Drawing
3. Color

Color.FromArgb

  

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class ColorCreation
   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 g As Graphics = Me.CreateGraphics()

        Dim redColor As Color = Color.FromArgb(120, 255, 0, 0)

        Dim blueColor As Color = Color.FromName("Blue")

        Dim greenColor As Color = Color.FromKnownColor(KnownColor.Green)

        Dim tstColor As Color = Color.Empty

        If greenColor.IsEmpty Then
            tstColor = Color.DarkGoldenrod
        End If

        Dim redBrush As New SolidBrush(redColor)
        Dim blueBrush As New SolidBrush(blueColor)
        Dim greenBrush As New SolidBrush(greenColor)
        Dim greenPen As New Pen(greenBrush, 4)

        g.FillEllipse(redBrush, 10, 10, 50, 50)
        g.FillRectangle(blueBrush, 60, 10, 50, 50)
        g.DrawLine(greenPen, 20, 60, 200, 60)

        Console.WriteLine("Color Name :" + blueColor.Name + ", A:" + blueColor.A.ToString() + ", R:" + blueColor.R.ToString() + ", B:" + blueColor.B.ToString() + ", G:" + blueColor.G.ToString())

        redBrush.Dispose()
        blueBrush.Dispose()
        greenBrush.Dispose()
        greenPen.Dispose()
        g.Dispose()
  End Sub

  Public Sub New()
   
    MyBase.New()
    Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
    Me.ClientSize = New System.Drawing.Size(292, 273)
    Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen

  End Sub

End Class

   
    
  

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