 <p>Add a global boolean, for instance:</p> <pre><code>private bool isDragAndDrop; </code></pre> <p>Set it to false when loading the form. When the dragAndDrop event is fired you should set <code>isDragAndDrop = true</code>. </p> <p>When the Click event is fired you check <code>if(!isDragAndDrop)</code> This will or will not execute the code inside the click event based on the value on the isDragAndDrop -variable.</p> <p>Before leaving the click event you the set <code>isDragAndDrop = false</code></p>