C#•2mo ago

How do I add a picture in a picturebox in code?

I am trying to make like a little flag guesser and I want the picture to change each time I answer or open the program. How can I do this? My images are now in the debug file.

3 Replies

Pobiega•2mo ago

The picturebox has an Image property Just set that to the desired image, and it should update

sterbuk•2mo ago

Yeah but I want it to change during the program right. When you answer with the country name of the flag. I want it to change to another one using a randomiser.

Pobiega•2mo ago

I understand that. Doesnt change how you change the picture 🙂 You can set that property via code. as a very short example...

private void SetRandomPicture()
{
    var index = Random.Shared.Next(0, _images.Count);
    pictureBox1.Image = _images[index];
}

private void button1_Click(object sender, EventArgs e)
{
    SetRandomPicture();
}

private void Form1_Load(object sender, EventArgs e)
{
    LoadAllImages();
    SetRandomPicture();
}

private void LoadAllImages()
{
    foreach (var file in Directory.EnumerateFiles("images"))
    {
        _images.Add(Image.FromFile(file));
    }
}

private void SetRandomPicture()
{
    var index = Random.Shared.Next(0, _images.Count);
    pictureBox1.Image = _images[index];
}

private void button1_Click(object sender, EventArgs e)
{
    SetRandomPicture();
}

private void Form1_Load(object sender, EventArgs e)
{
    LoadAllImages();
    SetRandomPicture();
}

private void LoadAllImages()
{
    foreach (var file in Directory.EnumerateFiles("images"))
    {
        _images.Add(Image.FromFile(file));
    }
}

so when the form loads, we pre-load all the images, and set a random image. when the button is clicked, we also set a random image

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How do I add a picture in a picturebox in code?