public Eventdemo()
{
var clickMe = new Button()
{
Parent = this,
Text = "Click Me",
Width = 50,
Height = 100,
Location = new Point(
(ClientSize.Width - Width) / 2,
(ClientSize.Height - Height) / 2
)
};
// an event can register by hooking up a delegate for that event.
// an EventHandler delegate is assigned
// to the button's Click event
clickMe.Click += new EventHandler(OnClickMeClicked); // pre-defined events and delegates
clickMe.Click += new EventHandler(OnClickMeClicked); // Can register delegate with link on already assigned method or
clickMe.Click -= new EventHandler(OnClickMeClicked); // unregister it
clickMe.Click += new EventHandler(OnClickMeClicked2);
// our custom "Startdelegate" delegate is assigned
// to our custom "StartEvent" event.
StartEvent += new Startdelegate(OnStartEvent);
Closed += OnClosingEvent;
// Firing an event looks just like a method call
// fire our custom event
StartEvent();
}
public EventDemo()
{
Button clickMe = new Button();
clickMe.Parent = this;
clickMe.Text = "Click Me";
clickMe.Location = new Point((ClientSize.Width - clickMe.Width) / 2, (ClientSize.Height - clickMe.Height) / 2);
//An EventHandler delegate is assigned to the button's click event
clickMe.Click += new EventHandler(OnClickMeClicked);
StartEvent += new Startdelegate(OnStartEvent);
StartEvent();
}
public Eventdemo()
{
Button clickMe = new Button();
clickMe.Parent = this;
clickMe.Text = "Click Me";
clickMe.Location = new Point(
(ClientSize.Width - clickMe.Width) / 2,
(ClientSize.Height - clickMe.Height) / 2);
// an EventHandler delegate is assigned
// to the button's Click event
clickMe.Click += new EventHandler(OnClickMeClicked);
// our custom "Startdelegate" delegate is assigned
// to our custom "StartEvent" event.
StartEvent += new Startdelegate(OnStartEvent);
// fire our custom event
StartEvent();
}
public Eventdemo()
{
Button clickMe = new Button();
clickMe.Parent = this;
clickMe.Text = "Click Me";
clickMe.Location = new Point((ClientSize.Width - clickMe.Width)/2,
(ClientSize.Height - clickMe.Height)/2);
//an EventHandler delegate is assigned
//to the button's Click event
clickMe.Click += new EventHandler(OnClickMeClicked);
//we have a delegate of type Startdelegate, which the event was declared to accept,
//hooked up to the StartEvent event.
//The += syntax registers a delegate with an event.
//To unregister with an event, use the -= with the same syntax.
StartEvent += new Startdelegate(OnStartEvent);
StartEvent();
}
