Windows Controls

PictureBox In C#

PictureBox control is used to display images in Windows Forms. In this article, I will discuss how to use a PictureBox control to display images in Windows Forms applications.

Creating a PictureBox

PictureBox class represents a PictureBox control. The following code snippet creates a PictureBox, sets its width and height and adds control to the Form by calling Controls.Add() method.

C# Code

  1. PictureBox imageControl = newPictureBox();  
  2. imageControl.Width = 400;  
  3. imageControl.Height = 400;  
  4. Controls.Add(imageControl);  

VB.NET Code

  1. Dim imageControl AsNewPictureBox()  
  2. imageControl.Width = 400  
  3. imageControl.Height = 400  

Display an Image

Image property is used to set an image to be displayed in a PictureBox control. The following code snippet creates a Bitmap from an image and sets the Image property of PictureBox control. Code also sets the Dock property of PictureBox.

C# Code

  1. privatevoid DisplayImage()   
  2. {  
  3.     PictureBox imageControl = newPictureBox();  
  4.     imageControl.Width = 400;  
  5.     imageControl.Height = 400;  
  6.     Bitmap image = newBitmap("C:\\Images\\Creek.jpg");  
  7.     imageControl.Dock = DockStyle.Fill;  
  8.     imageControl.Image = (Image) image;  
  9.     Controls.Add(imageControl);  
  10. }  

VB.NET Code

  1. PrivateSub DisplayImage()  
  2. Dim imageControl AsNewPictureBox()  
  3. imageControl.Width = 400  
  4. imageControl.Height = 400  
  5. Dim Image AsNewBitmap("C:\\Images\\Creek.jpg")  
  6. imageControl.Dock = DockStyle.Fill  
  7. imageControl.Image = Image  
  8. Controls.Add(imageControl)  
  9. EndSub  

The output looks like Figure 1 where an image is displayed.

PictureBox

SizeMode

SizeMode property is used to position an image within a PictureBox. It can be Normal, StretchImage, AutoSize, CenterImage, and Zoom. The following code snippet sets SizeMode property of a PictureBox control.

C# Code

  1. imageControl.SizeMode = PictureBoxSizeMode.CenterImage;  

VB.NET Code

  1. imageControl.SizeMode = PictureBoxSizeMode.CenterImage  

Summary

In this article, we discussed discuss how to use a PictureBox control to display images in Windows Forms applications.

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