Windows Forms: How to read an image file in C#

Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "ReadImageFile" and then click OK

Step 2: Design your form as below

Step 3: Add code to button click event handler as below

private void btnOpen_Click(object sender, EventArgs e)
{
    try
    {
        //Open file dialog, allows you to select an image file
        using (OpenFileDialog ofd = new OpenFileDialog() { Filter = "JPG|*.jpg|PNG|*.png|Bitmap|*.bmp", ValidateNames = true, Multiselect = false })
        {
            if (ofd.ShowDialog() == DialogResult.OK)
                pictureBox.Image = Image.FromFile(ofd.FileName);
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
    }
}

VIDEO TUTORIALS