/// <summary>
/// Invoked when the OK or apply button on the property sheet has been clicked.
/// </summary>
/// <returns>A task that represents the work queued to execute in the ThreadPool.</returns>
/// <remarks>This function is only called if the page has set its IsModified flag to true.</remarks>
protected override Task CommitAsync()
{
if (_origIsCelsius != IsCelsius)
{
// save the new settings
DamlSettings settings = DamlSettings.Default;
settings.Celius = IsCelsius;
settings.Save();
}
return(Task.FromResult(0));
}
/// <summary>
/// Called when the backstage tab is selected.
/// </summary>
protected override Task InitializeAsync()
{
// get the default settings
DamlSettings settings = DamlSettings.Default;
// assign to the values binding to the controls
_isCelsius = settings.Celius;
_isFahrenheit = !_isCelsius;
// keep track of the original values (used for comparison when saving)
_origIsCelsius = _isCelsius;
return(Task.FromResult(0));
}
/// <summary>
/// Called when the backstage tab is unselected.
/// </summary>
protected override Task UninitializeAsync()
{
if (_origIsCelsius != _isCelsius)
{
// save the new settings
DamlSettings settings = DamlSettings.Default;
settings.Celius = IsCelsius;
settings.Save();
BtnTemperatureFromSetting.ReloadTemperatureLabel();
}
return(base.UninitializeAsync());
}