diff options
Diffstat (limited to 'Xamarin.Forms.Platform.Tizen/Renderers/LayoutRenderer.cs')
-rw-r--r-- | Xamarin.Forms.Platform.Tizen/Renderers/LayoutRenderer.cs | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/LayoutRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/LayoutRenderer.cs index bf36afa4..2f723f3e 100644 --- a/Xamarin.Forms.Platform.Tizen/Renderers/LayoutRenderer.cs +++ b/Xamarin.Forms.Platform.Tizen/Renderers/LayoutRenderer.cs @@ -7,6 +7,8 @@ namespace Xamarin.Forms.Platform.Tizen /// </summary> public class LayoutRenderer : ViewRenderer<Layout, Native.Canvas> { + bool _isLayoutUpdatedRegistered = false; + /// <summary> /// Default constructor. /// </summary> @@ -14,12 +16,20 @@ namespace Xamarin.Forms.Platform.Tizen { } + public void RegisterOnLayoutUpdated() + { + if (!_isLayoutUpdatedRegistered) + { + Control.LayoutUpdated += OnLayoutUpdated; + _isLayoutUpdatedRegistered = true; + } + } + protected override void OnElementChanged(ElementChangedEventArgs<Layout> e) { if (null == Control) { var canvas = new Native.Canvas(Forms.Context.MainWindow); - canvas.LayoutUpdated += OnLayoutUpdated; SetNativeControl(canvas); } @@ -28,7 +38,10 @@ namespace Xamarin.Forms.Platform.Tizen protected override void Dispose(bool disposing) { - Control.LayoutUpdated -= OnLayoutUpdated; + if (_isLayoutUpdatedRegistered) + { + Control.LayoutUpdated -= OnLayoutUpdated; + } base.Dispose(disposing); } |