Load an Image from file and draw on the loaded image : Bitmap « 2D « VB.Net






Load an Image from file and draw on the loaded image

Load an Image from file and draw on the loaded image
Imports System
Imports System.Windows.Forms
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Drawing.Imaging
Imports System.Drawing

Public Class MainClass

   Shared Sub Main()
      Dim form1 As new Form1()
      Application.Run(form1)

   End Sub 

End Class

Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim bm As New Bitmap("figure2.bmp")

        ' Make a copy.
        Dim new_bm As New Bitmap(bm)

        ' Dispose of the original Bitmap.
        bm.Dispose()

        ' Draw on the new Bitmap and display the result.
        Dim gr As Graphics = Graphics.FromImage(new_bm)
        gr.DrawEllipse(Pens.White, 0, 0, new_bm.Width - 1, new_bm.Height - 1)
        picImage.Image = new_bm

    End Sub
End Class


<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Public Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overloads 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.ComponentModel.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.picImage = New System.Windows.Forms.PictureBox
        CType(Me.picImage, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'picImage
        '
        Me.picImage.AutoSize = True
        Me.picImage.Location = New System.Drawing.Point(0, 0)
        Me.picImage.Name = "picImage"
        Me.picImage.Size = New System.Drawing.Size(100, 50)
        Me.picImage.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize
        Me.picImage.TabIndex = 0
        Me.picImage.TabStop = False
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(240, 256)
        Me.Controls.Add(Me.picImage)
        Me.Name = "Form1"
        Me.Text = "LoadPicture"
        CType(Me.picImage, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)
        Me.PerformLayout()

    End Sub
    Friend WithEvents picImage As System.Windows.Forms.PictureBox

End Class

           
       








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