Set Pen.CustomStartCap and Pen.CustomEndCap : Custom LineCap « 2D Graphics « VB.Net Tutorial






Set Pen.CustomStartCap and Pen.CustomEndCap
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class CustomLineCapLine
   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 pts() As Point = { _
            New Point(0, 0), _
            New Point(2, 2), _
            New Point(0, 0), _
            New Point(2, -2) _
        }

        Dim cap_path As New GraphicsPath
        cap_path.AddLines(pts)

        ' Make the CustomLineCap.
        Dim x_cap As New CustomLineCap(Nothing, cap_path)

        ' Draw some lines with x_cap.
        Dim the_pen As New Pen(Color.Black, 1)
        the_pen.CustomStartCap = x_cap
        the_pen.CustomEndCap = x_cap

        the_pen.Width = 20
        e.Graphics.DrawLine(the_pen, 50, 200, 200, 200)

  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








17.14.Custom LineCap
17.14.1.Make the CustomLineCapMake the CustomLineCap
17.14.2.Draw line with Custom Line CapDraw line with Custom Line Cap
17.14.3.Set Pen.CustomStartCap and Pen.CustomEndCapSet Pen.CustomStartCap and Pen.CustomEndCap