FAQ: How do I draw an image respectively on the PictureBox control and Image object?

Question

_{Friday, April 10, 2009 2:40 PM}

How do I draw an image respectively on the PictureBox control and Image object?

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All replies (1)

_{Friday, April 10, 2009 2:41 PM ✅Answered}

The key is to find the correct Graphics object.

*Prerequisites: Drag&drop PictureBox1, Button1 and Button2 onto Form1.

*

Public Class Form1
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        PictureBox1.Image = Image.FromFile("D:\VBproject\2.jpg")
    End Sub

    'Draw image on PictureBox control
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim newImage As Image = Image.FromFile("D:\VBproject\1.jpg")
        Dim g As Graphics = Me.PictureBox1.CreateGraphics
        g.DrawImage(newImage, New Rectangle(10, 10, 200, 200))
    End Sub

    'Draw image on PictureBox.Image
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim newImage As Image = Image.FromFile("D:\VBproject\1.jpg")
        Dim g As Graphics = Graphics.FromImage(PictureBox1.Image)
        g.DrawImage(newImage, New Rectangle(10, 10, 200, 200))
        PictureBox1.Refresh()
    End Sub
End Class

Related thread:

http://social.msdn.microsoft.com/forums/en-US/vbgeneral/thread/7c7ee412-703e-46d8-84c7-b3f91dfefdc7/

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For more FAQ about Visual Basic .NET General, please see Visual Basic .NET General FAQ

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