Simple windowed application: Difference between revisions
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Me.Caption = clicked & " clicks."
End Sub
</syntaxhighlight>
=={{header|V (Vlang)}}==
<syntaxhighlight lang="Zig">
import ui
import gx
[heap]
struct App {
mut:
window &ui.Window = unsafe {nil}
counter string = "0" // will contain number count
}
fn main() {
mut app := &App{}
app.window = ui.window(
width: 200
height: 40
title: "Counter"
mode: .resizable
layout: ui.row(
spacing: 5
margin_: 10
widths: ui.stretch
heights: ui.stretch
children: [
ui.label(
id: "num"
text: &app.counter //refer to struct App
),
ui.button(
text: "Count"
bg_color: gx.light_gray
radius: 5
border_color: gx.gray
on_click: app.btn_click //refer to function below
),
]
)
)
ui.run(app.window)
}
fn (mut app App) btn_click(btn &ui.Button) {
mut lbl := app.window.get_or_panic[ui.Label]("num") //"num" is id of label
app.counter = (app.counter.int() + 1).str() //change to string for label display
lbl.set_text(app.counter)
}
</syntaxhighlight>
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