/// <summary>
/// Gets the Default Lamp instance, if no instance is found it throws
/// InvalidOperation Exception
/// </summary>
/// <param name="sender">Contains information regarding button that fired event</param>
/// <param name="e">Contains state information and event data associated with the event</param>
private async void GetDefaultAsyncBtn_Click(object sender, RoutedEventArgs e)
{
try
{
await LogStatusToOutputBoxAsync("Initializing lamp");
// acquiring lamp instance via using statement allows for the
// object to be automatically disposed once the lamp object
// goes out of scope releasing native resources
using (var lamp = await Lamp.GetDefaultAsync())
{
if (lamp == null)
{
await LogStatusAsync("Error: No Lamp device found", NotifyType.ErrorMessage);
return;
}
await LogStatusAsync(string.Format(CultureInfo.InvariantCulture, "Default lamp instance acquired, Device Id: {0}", lamp.DeviceId), NotifyType.StatusMessage);
}
// Lamp object is automatically Disposed now that it's out of scope
await LogStatusToOutputBoxAsync("Lamp Disposed");
}
catch (Exception ex)
{
await LogStatusAsync(ex.ToString(), NotifyType.ErrorMessage);
}
}
/// <summary>
/// Event handler for Color Lamp Button. Queries the lamp device for color adjustment
/// support and if device supports being color settable, it sets lamp color to blue.
/// Click Event
/// </summary>
/// <param name="sender">Contains information regarding button that fired event</param>
/// <param name="e">Contains state information and event data associated with the event</param>
private async void ColorLampBtn_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
try
{
await LogStatusToOutputBoxAsync("Initializing lamp");
// Acquiring lamp instance via using statement allows for the
// object to be automatically disposed once the lamp object
// goes out of scope releasing native resources
using (var lamp = await Lamp.GetDefaultAsync())
{
if (lamp == null)
{
await LogStatusAsync("Error: No lamp device was found", NotifyType.ErrorMessage);
return;
}
// With Lamp instance required, query for the default settings of the Lamp
await LogStatusAsync("Default lamp instance acquired", NotifyType.StatusMessage);
await LogStatusToOutputBoxAsync("Lamp Default settings:");
await LogStatusToOutputBoxAsync(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}, Is Color Settable: {1}, Color: {2}", lamp.IsEnabled, lamp.IsColorSettable, lamp.Color));
// If this lamp device is not Color Settable exit color lamp adjustment
if (lamp.IsColorSettable == false)
{
await LogStatusAsync("Selected Lamp device doesn't support Color lamp adjustment", NotifyType.ErrorMessage);
return;
}
// Change Lamp Color
await LogStatusToOutputBoxAsync("Adjusting Color");
lamp.Color = Colors.Blue;
await LogStatusAsync(string.Format(CultureInfo.InvariantCulture, "Lamp Settings After Color Adjustment: Color: {0}", lamp.Color), NotifyType.StatusMessage);
// Turn Lamp on
await LogStatusToOutputBoxAsync("Turning Lamp on");
lamp.IsEnabled = true;
await LogStatusToOutputBoxAsync(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}", lamp.IsEnabled));
// Turn Lamp off
await LogStatusToOutputBoxAsync("Turning Lamp off");
lamp.IsEnabled = false;
await LogStatusToOutputBoxAsync(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}", lamp.IsEnabled));
}
/// Lamp gets disposed automatically when it goes out of scope of using block
await LogStatusToOutputBoxAsync("Lamp Disposed");
}
catch (Exception ex)
{
await LogStatusAsync(ex.ToString(), NotifyType.ErrorMessage);
}
}
/// <summary>
/// Event Handler for Brightness Button Click
/// </summary>
/// <param name="sender">Contains information regarding button that fired event</param>
/// <param name="e">Contains state information and event data associated with the event</param>
private async void BrightnessBtn_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
try
{
await LogStatusToOutputBoxAsync("Initializing lamp");
// acquiring lamp instance via using statement allows for the
// object to be automatically disposed once the lamp object
// goes out of scope releasing native resources
using (var lamp = await Lamp.GetDefaultAsync())
{
if (lamp == null)
{
await LogStatusAsync("Error: No lamp device was found", NotifyType.ErrorMessage);
return;
}
await LogStatusAsync(string.Format(CultureInfo.InvariantCulture, "Default lamp instance acquired, Device Id: {0}", lamp.DeviceId), NotifyType.StatusMessage);
await LogStatusToOutputBoxAsync("Lamp Default settings:");
await LogStatusToOutputBoxAsync(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}, Brightness: {1}", lamp.IsEnabled, lamp.BrightnessLevel));
// Set the Brightness Level
await LogStatusToOutputBoxAsync("Adjusting Brightness");
lamp.BrightnessLevel = 0.5F;
await LogStatusAsync(string.Format(CultureInfo.InvariantCulture, "Lamp Settings After Brightness Adjustment: Brightness: {0}", lamp.BrightnessLevel), NotifyType.StatusMessage);
// Turn Lamp on
await LogStatusToOutputBoxAsync("Turning Lamp on");
lamp.IsEnabled = true;
await LogStatusToOutputBoxAsync(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}", lamp.IsEnabled));
// Turn Lamp off
await LogStatusToOutputBoxAsync("Turning Lamp off");
lamp.IsEnabled = false;
await LogStatusToOutputBoxAsync(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}", lamp.IsEnabled));
}
await LogStatusToOutputBoxAsync("Lamp Disposed");
}
catch (Exception ex)
{
await LogStatusAsync(ex.ToString(), NotifyType.ErrorMessage);
}
}
/// <summary>
/// Initialize the lamp acquiring the default instance
/// </summary>
/// <returns>async Task</returns>
private async Task InitializeLampAsync()
{
lamp = await Lamp.GetDefaultAsync();
if (lamp == null)
{
await LogStatusAsync("Error: No lamp device was found", NotifyType.ErrorMessage);
lampToggle.IsEnabled = false;
return;
}
await LogStatusAsync(string.Format(CultureInfo.InvariantCulture, "Default lamp instance acquired, Device Id: {0}", lamp.DeviceId), NotifyType.StatusMessage);
lampToggle.IsEnabled = true;
}
/// <summary>
/// Event handler for Color Lamp Button
/// Click Event
/// </summary>
/// <param name="sender">Contains information regarding button that fired event</param>
/// <param name="e">Contains state information and event data associated with the event</param>
private async void ColorLampBtn_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
try
{
LogStatusToOutputBox("Initializing lamp");
// Acquiring lamp instance via using statement allows for the
// object to be automatically disposed once the lamp object
// goes out of scope releasing native resources
using (var lamp = await Lamp.GetDefaultAsync())
{
if (lamp == null)
{
throw new InvalidOperationException("Error: Lamp could not be acquired");
}
// With Lamp instance required, query for the default settings of the Lamp
LogStatus("Default lamp instance acquired", NotifyType.StatusMessage);
LogStatusToOutputBox("Lamp Default settings:");
LogStatusToOutputBox(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}, Is Color Settable: {1}, Color: {2}", lamp.IsEnabled, lamp.IsColorSettable, lamp.Color));
// Change Lamp Color
LogStatusToOutputBox("Adjusting Color");
lamp.Color = Colors.Blue;
LogStatus(string.Format(CultureInfo.InvariantCulture, "Lamp Settings After Color Adjustment: Color: {0}", lamp.Color), NotifyType.StatusMessage);
// Turn Lamp on
LogStatusToOutputBox("Turning Lamp on");
lamp.IsEnabled = true;
LogStatusToOutputBox(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}", lamp.IsEnabled));
// Turn Lamp off
LogStatusToOutputBox("Turning Lamp off");
lamp.IsEnabled = false;
LogStatusToOutputBox(string.Format(CultureInfo.InvariantCulture, "Lamp Enabled: {0}", lamp.IsEnabled));
}
/// Lamp gets disposed automatically when it goes out of scope of using block
LogStatusToOutputBox("Lamp Disposed");
}
catch (Exception ex)
{
LogStatus(ex.ToString(), NotifyType.ErrorMessage);
}
}
/// <summary>
/// Intialize the lamp acquiring the default instance
/// </summary>
/// <returns>async Task</returns>
private async Task InitializeLampAsync()
{
try
{
lamp = await Lamp.GetDefaultAsync();
if (lamp == null)
{
throw new InvalidOperationException("Error: No lamp device was found");
}
LogStatus(string.Format(CultureInfo.InvariantCulture, "Default lamp instance acquired, Device Id: {0}", lamp.DeviceId), NotifyType.StatusMessage);
lampToggle.IsEnabled = true;
}
catch (Exception eX)
{
LogStatus(eX.Message, NotifyType.ErrorMessage);
}
}
