<com:TForm ID="form1"> <h1>TTimeTriggeredCallback + ViewState Tests</h1> <com:TActiveButton id="button1" Text="Start Timer" OnCallback="start_timer" /> <com:TActiveButton Text="Stop Timer" OnCallback="stop_timer" /> <div style="margin:1em; padding:1em; border:1px solid #ccc;"> <com:TActiveLabel ID="label1" Text="ViewState Counter : " /> </div> <com:TTimeTriggeredCallback ID="timer1" Interval="0.5" OnCallback="tick"> <prop:ClientSide OnLoading="$('status').show()" OnComplete="$('status').hide()" /> </com:TTimeTriggeredCallback> <div id="status" style="margin:1em; padding:0.5em; text-align:center; background-color:#900; color:white; display: none; position: absolute; right: 0; top: 0"> Loading... </div> <com:TJavascriptLogger /> </com:TForm>