/// <summary>Easy to use bool getter.</summary>
/// <param name="prompt">Command prompt.</param>
/// <param name="acceptNothing">If true, the user can press enter.</param>
/// <param name="offPrompt">The 'false/off' message.</param>
/// <param name="onPrompt">The 'true/on' message.</param>
/// <param name="boolValue">Default bool value set to this and returned here.</param>
/// <returns>The getter result based on user choice.
/// <para>Commands.Result.Success - got value.</para>
/// <para>Commands.Result.Nothing - user pressed enter.</para>
/// <para>Commands.Result.Cancel - user cancelled value getting.</para>
/// </returns>
public static Commands.Result GetBool(string prompt, bool acceptNothing, string offPrompt, string onPrompt, ref bool boolValue)
{
Commands.Result result = Commands.Result.Failure;
using (Rhino.Input.Custom.GetOption get = new Rhino.Input.Custom.GetOption())
{
get.SetCommandPrompt(prompt);
get.AcceptNothing(acceptNothing);
if (acceptNothing)
get.SetDefaultString(boolValue ? onPrompt : offPrompt);
int onValue = get.AddOption(onPrompt);
int offValue = get.AddOption(offPrompt);
get.Get();
result = get.CommandResult();
if (result == Commands.Result.Success && get.Result() == GetResult.Option)
{
Rhino.Input.Custom.CommandLineOption option = get.Option();
if (null != option)
{
if (option.Index == onValue)
boolValue = true;
else if (option.Index == offValue)
boolValue = false;
}
}
}
return result;
}