Check out example codes for "visual studio C# hintergrund bild ändern". It will help you in understanding the concepts better.

Code Example 1

// You should replace the bolded image
// in the sample below with an image of your own choosing.  
// Note the escape character used (@) when specifying the path.  
panel1.BackgroundImage = Image.FromFile  
   (System.Environment.GetFolderPath  
   (System.Environment.SpecialFolder.Personal)  
   + @"\Image.gif");

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