C# | SU [ 51 - 60 ] [ FOR JOURNAL ]

CODE


namespace Definitions
{
    public partial class Form51 : Form
    {
        public Form51()
        {
            InitializeComponent();
        }

        private void btnAdd_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrWhiteSpace(txtInput.Text))
            {
                listBox1.Items.Add(txtInput.Text);
                txtInput.Clear();
            }
        }

        private void btnRemove_Click(object sender, EventArgs e)
        {
            if (listBox1.SelectedIndex != -1)
            {
                listBox1.Items.RemoveAt(listBox1.SelectedIndex);
            }
        }
    }
}

OUTPUT

Dynamic ListBox

Apple

Banana

Orange

Mango...

CODE


namespace Definitions
{
    public partial class Form52 : Form
    {
        public Form52()
        {
            InitializeComponent();
        }

        private void Form52_Load(object sender, EventArgs e)
        {
            // Assuming "image.jpg" is in the debug folder or resources
            pictureBox1.ImageLocation = "image.jpg";
            pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
        }
    }
}

OUTPUT

Image Viewer

🖼️

CODE


namespace Definitions
{
    public partial class Form53 : Form
    {
        public Form53()
        {
            InitializeComponent();
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MessageBox.Show("My Application v1.0");
        }
    }
}

OUTPUT

MenuStrip Example

File

Help

New

Open...

Exit

CODE


namespace Definitions
{
    public partial class Form54 : Form
    {
        public Form54()
        {
            InitializeComponent();
        }

        private void toolStripButtonSave_Click(object sender, EventArgs e)
        {
            MessageBox.Show("Save clicked!");
        }
    }
}

OUTPUT

ToolStrip Example

⚙️ ▼

CODE


namespace Definitions
{
    public partial class Form55 : Form
    {
        public Form55()
        {
            InitializeComponent();
            timer1.Interval = 1000; // 1 second
            timer1.Start();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            lblTime.Text = DateTime.Now.ToString("hh:mm:ss tt");
        }
    }
}

OUTPUT

Digital Clock

03:28:06 PM

CODE


namespace Definitions
{
    public partial class Form56 : Form
    {
        public Form56()
        {
            InitializeComponent();
        }
        
        // No specific code required for purely visual containers
        // Controls are dragged and dropped into Panel and GroupBox via Designer
    }
}

OUTPUT

Containers Example

Gender Selection

Male Female Other

Hobbies Panel

Coding Reading

CODE


namespace Definitions
{
    public partial class Form57 : Form
    {
        public Form57()
        {
            InitializeComponent();
        }

        private void btnPickColor_Click(object sender, EventArgs e)
        {
            if (colorDialog1.ShowDialog() == DialogResult.OK)
            {
                this.BackColor = colorDialog1.Color;
            }
        }
    }
}

OUTPUT

Color Dialog Result

CODE


namespace Definitions
{
    public partial class Form58 : Form
    {
        public Form58()
        {
            InitializeComponent();
        }

        private void btnChangeFont_Click(object sender, EventArgs e)
        {
            if (fontDialog1.ShowDialog() == DialogResult.OK)
            {
                textBox1.Font = fontDialog1.Font;
                textBox1.ForeColor = fontDialog1.Color;
            }
        }
    }
}

OUTPUT

Font Dialog Example

Customized Text Output

CODE


namespace Definitions
{
    public partial class Form59 : Form
    {
        public Form59()
        {
            InitializeComponent();
        }

        private void btnBrowse_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "Image Files|*.jpg;*.jpeg;*.png;*.bmp";
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                pictureBox1.Image = Image.FromFile(openFileDialog1.FileName);
                pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
            }
        }
    }
}

OUTPUT

Open Image Viewer

🌄

CODE


using System.IO;

namespace Definitions
{
    public partial class Form60 : Form
    {
        public Form60()
        {
            InitializeComponent();
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            saveFileDialog1.Filter = "Text Files (*.txt)|*.txt";
            saveFileDialog1.DefaultExt = "txt";

            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                File.WriteAllText(saveFileDialog1.FileName, textBox1.Text);
                MessageBox.Show("File saved successfully!");
            }
        }
    }
}

OUTPUT

Simple Text Editor

                                    Hello, this is a sample text file.

                                    C# Windows Forms makes saving files easy using SaveFileDialog!

                                    _

CODE


namespace Definitions
{
    public partial class Form51 : Form
    {
        public Form51()
        {
            InitializeComponent();
        }

        private void btnAdd_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrWhiteSpace(txtInput.Text))
            {
                listBox1.Items.Add(txtInput.Text);
                txtInput.Clear();
            }
        }

        private void btnRemove_Click(object sender, EventArgs e)
        {
            if (listBox1.SelectedIndex != -1)
            {
                listBox1.Items.RemoveAt(listBox1.SelectedIndex);
            }
        }
    }
}

OUTPUT