demonstrates the use of xtd::forms::timer component.
- Windows
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- macOS
-
- Gnome
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#include <xtd/xtd>
namespace timer_example {
class form1 : public form {
public:
form1() {
label1.parent(*this);
label1.text("0.0");
label1.
font(drawing::font(
"Arial", 48, font_style::italic));
label1.location({10, 10});
label1.auto_size(true);
label1.fore_color(color::dodger_blue);
button1.parent(*this);
button1.text("Start");
button1.location({10, 90});
button1.click +=
delegate_(
object & sender,
const event_args & e) {
timer1.enabled(!timer1.enabled());
button1.text(timer1.enabled() ? "Stop" : "Start");
};
timer1.interval(100_ms);
timer1.tick +=
delegate_(
object & sender,
const event_args & e) {
label1.text(string::format("{:F1}", ++counter / 10.0));
};
text("Timer example");
client_size({230, 130});
}
private:
forms::timer timer1;
label label1;
button button1;
int counter = 0;
};
}
auto main() -> int {
application::run(timer_example::form1 {});
}
#define delegate_
The declaration of a delegate type is similar to a method signature. It has a return value and any nu...
Definition delegate.hpp:900