VB.Net Tutorial/2D Graphics/GDI objects

Материал из VB Эксперт
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Dispose GDI objects

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GDIObjectsDispose
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
        
        Dim brush1 As New SolidBrush(Color.DarkBlue)
        Dim font1 As New Font(Me.Font, FontStyle.Regular)
        
        canvas.DrawString("www.vbex.ru",font1, brush1, 120, 70)
        
        brush1.Dispose()
        font1.Dispose()
        
        canvas = Nothing
    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.SuspendLayout()
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(610, 328)
        Me.Name = "Form1"
        Me.Text = "Creating Graphics Objects (Color, Pen, Font, Brush)"
        Me.ResumeLayout(False)
    End Sub
End Class