/// <summary>
/// Displays a message box that has a message, caption, Yes/No/Cancel buttons with custom System.String values for the buttons' text, and icon;
/// and that returns a result.
/// </summary>
/// <param name="owner">A window that represent the owner window of the messaage box</param>
/// <param name="messageBoxText">A System.String that specifies the text to display.</param>
/// <param name="caption">A System.String that specifies the title bar caption to display.</param>
/// <param name="yesButtonText">A System.String that specifies the text to display within the Yes button.</param>
/// <param name="noButtonText">A System.String that specifies the text to display within the No button.</param>
/// <param name="cancelButtonText">A System.String that specifies the text to display within the Cancel button.</param>
/// <param name="icon">A System.Windows.MessageBoxImage value that specifies the icon to display.</param>
/// <returns>A System.Windows.MessageBoxResult value that specifies which message box button is clicked by the user.</returns>
public static MessageBoxResult ShowYesNoCancel(Window owner, string messageBoxText, string caption, string yesButtonText, string noButtonText, string cancelButtonText, MessageBoxImage icon)
{
CustomMessageBoxWindow msg = new CustomMessageBoxWindow(messageBoxText, caption, MessageBoxButton.YesNoCancel, icon)
{
Owner = owner
};
msg.YesButtonText = yesButtonText;
msg.NoButtonText = noButtonText;
msg.CancelButtonText = cancelButtonText;
msg.ShowDialog();
return(msg.Result);
}