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author | Jason Smith <jason.smith@xamarin.com> | 2016-03-22 13:02:25 -0700 |
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committer | Jason Smith <jason.smith@xamarin.com> | 2016-03-22 16:13:41 -0700 |
commit | 17fdde66d94155fc62a034fa6658995bef6fd6e5 (patch) | |
tree | b5e5073a2a7b15cdbe826faa5c763e270a505729 /Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs | |
download | xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.tar.gz xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.tar.bz2 xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.zip |
Initial import
Diffstat (limited to 'Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs')
-rw-r--r-- | Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs b/Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs new file mode 100644 index 00000000..87f1e35e --- /dev/null +++ b/Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs @@ -0,0 +1,59 @@ +using System.ComponentModel; +using Windows.UI.Xaml.Controls.Primitives; + +#if WINDOWS_UWP + +namespace Xamarin.Forms.Platform.UWP +#else + +namespace Xamarin.Forms.Platform.WinRT +#endif +{ + public class ProgressBarRenderer : ViewRenderer<ProgressBar, Windows.UI.Xaml.Controls.ProgressBar> + { + protected override void Dispose(bool disposing) + { + if (disposing) + { + if (Control != null) + { + Control.ValueChanged -= ProgressBarOnValueChanged; + } + } + + base.Dispose(disposing); + } + + protected override void OnElementChanged(ElementChangedEventArgs<ProgressBar> e) + { + base.OnElementChanged(e); + + if (e.NewElement != null) + { + if (Control == null) + { + var progressBar = new Windows.UI.Xaml.Controls.ProgressBar { Minimum = 0, Maximum = 1 }; + + progressBar.ValueChanged += ProgressBarOnValueChanged; + + SetNativeControl(progressBar); + } + + Control.Value = e.NewElement.Progress; + } + } + + protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e) + { + base.OnElementPropertyChanged(sender, e); + + if (e.PropertyName == ProgressBar.ProgressProperty.PropertyName) + Control.Value = Element.Progress; + } + + void ProgressBarOnValueChanged(object sender, RangeBaseValueChangedEventArgs rangeBaseValueChangedEventArgs) + { + Element?.InvalidateMeasure(InvalidationTrigger.MeasureChanged); + } + } +}
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