component.findComponent('').onClick = ..

Component

{ onClick: (e)->Void}

findComponent(..., Button).onClick

var name:Button

macros

var button:Button = findComponent(...)

haxe
@:build(haxe.ui.macros.ComponentMacros.build("assets/my-component.xml")
class MyComponent extends HBox {
    @:bind(textfield.text)
    public var textfieldText:String = "10";
    
    @:bind(deinc, MouseEvent.CLICK)
    function onDeinc(e) {
        var n = Std.parseInt(textfieldText) - 1;
        textfieldText = Std.string(n);
    }    
    
    @:bind(inc, MouseEvent.CLICK)
    function onInc(e) {
        var n = Std.parseInt(textfieldText) + 1;
        textfieldText = Std.string(n);
    }    
}

@:bind(myButton, MouseEvent.CLICK)

(new MyComponent()).button.onClick = this.performAction;

(new MyComponent()).button.onClick

(new MyComponent()).findComponent(..., Button).onClick

haxe
@:build(...)
class MyDialog extends Dialog { // thats it!
    @:bind(something.text) public var something;
}

---

var d = new MyDialog();
d.title = "My Title";
d.something = "bob";
d.somethingElse.text = "tim";
d.show();

class MyButton extends Button

<mybutton>