C# Adding one more option to PictureBox <p>i was wondering how could i add .customString to PictureBox object.<br> Something like:</p> <pre><code>PictureBox box = new PictureBox(); box.CustomString = "string here"; </code></pre> <p>And then later on i would be access it.</p> <pre><code>MessageBox.Show(boxname.CustomString); </code></pre> <p>Thank you.</p>