TMS iCL DEVELOPERS GUIDE - TMS Software

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TMS SOFTWARE TMS iCL DEVELOPERS GUIDE Visible Shows / hides the DatePicker. Public Properties DatePicker Returns a reference to the native iOS UIDatePicker. Methods NSDateToDate(ADateTime: NSDate): TDateTime; Returns a TDateTime from a native iOS NSDate instance. Events OnValueChanged Event called when a date / value has changed. Countdown timer With the Mode property set to dpmDatePickerModeCountDownTimer the DatePicker can be set to a countdown timer. Additionally the amount of seconds to countdown from needs to be set with the CountDownDuration property. In the sample below, the DatePicker is set to a countdown duration of 60 seconds. The user can select an amount of countdown seconds from which to start from. TMSFMXNativeUIDatePicker1.Mode := dpmDatePickerModeCountDownTimerl; TMSFMXNativeUIDatePicker1.CountDownDuration := 60; FDuration := 60; The OnValueChanged event is triggered when the user changes the value on the countdown wheel. procedure TForm1.TMSFMXNativeUIDatePicker1ValueChanged(ASender: TObject; ADateTime: TDateTime); begin FDuration := TMSFMXNativeUIDatePicker1.CountDownDuration; end; To actually use it as a timer, a TTimer component is used to start counting down from the value chosen by the user. The timer can be used to, as an example, update a label. procedure TForm1.Timer1Timer(Sender: TObject); begin 48
TMS SOFTWARE TMS iCL DEVELOPERS GUIDE FDuration := FDuration - 1; TMSFMXNativeUILabel1.Text := 'Seconds left = ' + floattostr(FDuration); end; 49
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TMS iCL DEVELOPERS GUIDE - TMS Software

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