content: bind “{wdth/4}% complete”
}]
}
center: Canvas{
content: [
Rectangle {
x: 10, y: 40
width:bind wdth, height: 15
fill: Color.BLUE
opacity:1
},Rectangle {
x: 10, y: 40
width: 400, height: 15
fill: Color.BLACK
strokeWidth:2
opacity:0.1
}]
}
bottom: FlowPanel{
content: [Button {
text: “Start”
action: function() {
t.start();
}
}]
}
}
}

Output:

By Clicking on Start Button will start Progress bar progress.