//private void OnSizeChanged(object sender, EventArgs e) //{ // var page = (Xamarin.Forms.MasterDetailPage)sender; // Control.ApplyTemplate(); // ConfigureSplitView(Control, page); // page.SizeChanged -= OnSizeChanged; //} static void ConfigureSplitView(MasterDetailControl control, MasterDetailPage page) { try { if ((bool)page.GetValue(XamarinFormsGridView.Behaviours.MasterDetailPageBehaviour.IsDynamicMasterBehaviourEnabledProperty)) { var threshold = (double)page.GetValue(XamarinFormsGridView.Behaviours.MasterDetailPageBehaviour.DynamicMasterBehaviorThresholdProperty); if (page.Width <= threshold) { //control.CollapseStyle = Xamarin.Forms.PlatformConfiguration.WindowsSpecific.CollapseStyle.Partial; control.ShouldShowSplitMode = false; control.IsPaneOpen = false; } else { control.ShouldShowSplitMode = true; control.IsPaneOpen = true; } } } catch (Exception) { //Not sure why this is getting thrown. } }