/// <summary>
/// Sets the dropzone attr.
/// </summary>
/// <param name="dropZone">The dropZone.</param>
/// <returns>
/// The VTag instance
/// </returns>
public VTag SetDropZoneAttr(DropZone dropZone)
{
if (!string.IsNullOrWhiteSpace(dropZone.ToString()))
{
return this.AddAttribute(WellKnownXNames.DropZone, dropZone.ToString());
}
return this.RemoveAttribute(WellKnownXNames.DropZone);
}