Question

Using C#: Create a Form that consists of a PictureBox and 3 radio buttons. Assign an image of your choice to the PictureBox. Each radio button should be associated with a specific PictureBox size mode. When the user clicks on a specific radio button, the PictureBox's size mode should be changed to reflect the selection.

Answer 1

Below is the aolution

using System;
using System.Drawing;
using System.Windows.Forms;

namespace ResizePictureBox
{
    public partial class frmMain : Form
    {
        public frmMain()
        {
            InitializeComponent();
        }
        //radio button size100 click event
        private void Size100(object sender, EventArgs e)
        {
            pictureBox1.Size = new Size(100, 100); //set the picturebox size
            pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; //stretch image
            pictureBox1.BorderStyle = BorderStyle.Fixed3D; //border style 3d
        }
        //radio button size200 click event
        private void Size200(object sender, EventArgs e)
        {
            pictureBox1.Size = new Size(200, 200); //set the picturebox size
            pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; //stretch image
            pictureBox1.BorderStyle = BorderStyle.Fixed3D; //border style 3d
        }
        //radio button size300 click event
        private void Size300(object sender, EventArgs e)
        {
            pictureBox1.Size = new Size(300, 300); //set the picturebox size
            pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; //stretch image
            pictureBox1.BorderStyle = BorderStyle.Fixed3D; //border style 3d
        }

        private void frmMain_Load(object sender, EventArgs e)
        {
            CenterToScreen(); //window center on the window
        }
    }
}

sample image: