GPAL Fluent: High-level fluent C# API

//WithReadOnly and WithPlaceholder come before WithName in a chain, since WithName narrows the interface. ShowPassword is not a fluent method and returns nothing to chain: it is read and written like any property, from the UI thread or from a workflow thread, and GPAL marshals it. Each GPALInput added to a form corresponds to one column in the grid produced by FillInFrom, populated in the order they were added.

// Text, password, and read-only in one form

GPALInput user = GPAL.Input

.WithPlaceholder("you@example.com")

.WithName("email")

.ToGPALObject();

GPALInput secret = GPAL.Input

.IsPassword

.WithName("password")

.ToGPALObject();

GPALInput server = GPAL.Input

.WithReadOnly()

.WithText("smtp.example.com")

.WithName("server")

.ToGPALObject();

GPALButton reveal = GPAL.Button

.WithText("Show")

.WithCallback<EventHandler>(ToggleReveal)

.WithName("reveal")

.ToGPALObject();

GPAL.Form

.WithTitle("Sign In")

.WithFormControl(user)

.WithFormControl(secret)

.WithFormControl(server)

.WithFormControl(reveal)

.ShowDialog();

// The whole of a show-password button

void ToggleReveal(object sender, EventArgs e)

{

secret.ShowPassword = false == secret.ShowPassword;

}