VB.Net Tutorial/2D Graphics/Image Save
Save to an image
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms Imports System.Drawing.Imaging public class DrawingToImagesDemo
public Shared Sub Main Application.Run(New DrawingToImagesForm) End Sub
End class Public Class DrawingToImagesForm
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New() MyBase.New() "This call is required by the Windows Form Designer. InitializeComponent() "Add any initialization after the InitializeComponent() call End Sub "Form overrides dispose to clean up the component list. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If 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. Friend WithEvents saveButton As System.Windows.Forms.Button Friend WithEvents panel1 As System.Windows.Forms.Panel <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.saveButton = New System.Windows.Forms.Button() Me.panel1 = New System.Windows.Forms.Panel() Me.SuspendLayout() " "saveButton " Me.saveButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom Me.saveButton.Location = New System.Drawing.Point(104, 238) Me.saveButton.Name = "saveButton" Me.saveButton.TabIndex = 3 Me.saveButton.Text = "Save" " "panel1 " Me.panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.panel1.Dock = System.Windows.Forms.DockStyle.Top Me.panel1.Name = "panel1" Me.panel1.Size = New System.Drawing.Size(292, 224) Me.panel1.TabIndex = 2 " "DrawingToImagesForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 266) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.saveButton, Me.panel1}) Me.Name = "DrawingToImagesForm" Me.Text = "DrawingToImagesForm" Me.ResumeLayout(False) End Sub
- End Region
Dim offset As Integer Private Sub saveButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles saveButton.Click Dim rect As Rectangle = New Rectangle(0, 0, 100, 100) Dim displayGraphics As Graphics = Me.CreateGraphics() Dim img As Image = New Bitmap(rect.Width, rect.Height, displayGraphics) Dim imageGraphics As Graphics = Graphics.FromImage(img) imageGraphics.FillRectangle(Brushes.Black, rect) Dim format As StringFormat = New StringFormat() format.Alignment = StringAlignment.Center format.LineAlignment = StringAlignment.Center imageGraphics.DrawString("Drawing to an image", panel1.Font, Brushes.White, RectangleF.op_Implicit(rect), format) Dim file As String = "yourfile.jpg" img.Save(file) MessageBox.Show("Saved to file: " & file) End Sub
End Class</source>