CODEWITHSUNDEEP
c#winformsimagepanel
Mandarina Portokalli
Mandarina Portokalli

Reputation: 111

Assign random background images to Panel

I'm trying to assign random images to a panel:

System.Random randomNum = new System.Random();
int myInt = randomNum.Next(4);

if (Panel1.BackgroundImage != null)
{
    switch (myInt)
    {
        case 0:
            Panel1.BackgroundImage = @"C:\Users\etrit.bujupi\Desktop\IO-Etrit\CardGame\Images\2-Black.jpg";
    }
}

But my code causes an error:

Cannot implicity convert type 'string' to 'System.Drawing.Image'

Upvotes: 0

Views: 3147

Answers (5)

Fandango68
Fandango68

Reputation: 4888

An updated solution, using existing VS2022 features:

  • Design your windows form and System.Drawing.Form object necessary to display an image from a file

  • Go to Project --> Properties --> Resources and add all your images using the Add Resource

  • Visual Studio will automatically add the code into the Resources.resx and Resources.Designer.cs files. DO NOT EDIT THESE BY HAND.

  • Inside your custom Designer, go to View Code and add the following:

     Random rand = new Random();
 int rnd = rand.Next(0, 3);  //random number from 0 to 3 (4 images in my case)
 switch (rnd)
 {
     case 0:
         this.BackgroundImage = global::myProject.Properties.Resources.image1;
         break;
     case 1:
         this.BackgroundImage = global::myProject.Properties.Resources.image2;
         break;
     case 2:
         this.BackgroundImage = global::myProject.Properties.Resources.image3;
         break;
     case 3:
         this.BackgroundImage = global::myProject.Properties.Resources.image4;
         break;
 }

Where 'image1, 2 etc' are your named image reference names.

Should work.

Upvotes: 0

Shaharyar
Shaharyar

Reputation: 12449

Use this :

Panel1.BackgroundImage = System.Drawing.Bitmap.FromFile(yourPath);

Upvotes: 3

Abbas
Abbas

Reputation: 14432

This code might get you on the way:

ImageList images = new ImageList();
images.Images.Add(Image.FromFile("C:\\pic1.bmp"));
images.Images.Add(Image.FromFile("C:\\pic2.bmp"));
//Fill with more images

//Make a Random-object
Random rand = new Random();
// This could also be a panel already on the Form
Panel p = new Panel(); 

//Pick a random image from the list
p.BackgroundImage = images.Images[rand.Next(0, images.Images.Count - 1)];

Hope this helps.

Upvotes: 3

Otiel
Otiel

Reputation: 18743

Screenshot

Add the image in your project resources, then use it like that:

Panel1.BackgroundImage = Properties.Resources.MyImage;

Upvotes: 0

Hilmi
Hilmi

Reputation: 3441

 System.Random randomNum = new System.Random();
        int myInt = randomNum.Next(4);

        if (Panel1.BackgroundImage != null)
        {
            switch (myInt)
            {
                case 0:
                    Panel1.BackgroundImage = System.Drawing.Bitmap.FromFile( @"C:\Users\etrit.bujupi\Desktop\IO-Etrit\CardGame\Images\2-Black.jpg");

            }
        }

Upvotes: 0

Related Questions