/// <summary>
/// Shows a Ok dialog.
/// </summary>
/// <param name="title">The title of the window.</param>
/// <param name="instruction">The main instruction.</param>
/// <param name="observation">A complementar observation.</param>
/// <param name="icon">The image of the dialog.</param>
/// <returns>True if Ok</returns>
public static bool Ok(string title, string instruction, string observation, Icons icon = Icons.Error)
{
var dialog = new Dialog();
dialog.PrepareOk(title, instruction, observation.Replace(@"\n", Environment.NewLine).Replace(@"\r", ""), icon);
var result = dialog.ShowDialog();
return(result.HasValue && result.Value);
}