Horizontal CollecitonView UWP scrolling with mouse fixed (#11629)

Co-authored-by: Emil Alipiev <emil_alipiev@hotmail.com>
fixes #9631

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue9631.cs

@@ -0,0 +1,106 @@
+using System.Collections.ObjectModel;
+using Xamarin.Forms.CustomAttributes;
+using Xamarin.Forms.Internals;
+using System;
+using Xamarin.Forms.Xaml;
+using System.Collections.Generic;
+
+#if UITEST
+using Xamarin.UITest;
+using Xamarin.UITest.Queries;
+using NUnit.Framework;
+using Xamarin.Forms.Core.UITests;
+using System.Linq;
+#endif
+
+namespace Xamarin.Forms.Controls.Issues
+{
+#if UITEST
+	[Category(UITestCategories.CollectionView)]
+#endif
+#if APP
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+#endif
+	[Preserve(AllMembers = true)]
+	[Issue(IssueTracker.Github, 9631, "[CollectionView] How to scroll in Horizontal CollectionView",
+		PlatformAffected.UWP)]
+	public partial class Issue9631 : TestContentPage
+	{
+
+		protected override void Init()
+		{
+			CollectionView collectionView = new CollectionView { ItemsLayout = LinearItemsLayout.Horizontal, };
+			collectionView.ItemTemplate = new DataTemplate(() =>
+			{
+				var stacklayout = new StackLayout
+				{
+					Orientation = StackOrientation.Vertical,
+					Spacing = 5,
+					Padding = 10,
+					BackgroundColor = Color.Beige
+				};
+
+
+				Image image = new Image { Aspect = Aspect.AspectFill, HeightRequest = 60, WidthRequest = 60 };
+				image.SetBinding(Image.SourceProperty, "Source");
+
+				Label nameLabel = new Label { FontAttributes = FontAttributes.Bold };
+				nameLabel.SetBinding(Label.TextProperty, "Text");
+
+				nameLabel.SetBinding(Label.AutomationIdProperty, "AutomationId");
+
+
+				stacklayout.Children.Add(image);
+				stacklayout.Children.Add(nameLabel);
+
+				return stacklayout;
+			});
+			Content = collectionView;
+			collectionView.SetBinding(ItemsView.ItemsSourceProperty, "Items");
+
+
+			BindingContext = new ViewModel9631();
+		}
+
+
+
+		[Preserve(AllMembers = true)]
+		public class ViewModel9631
+		{
+			public ObservableCollection<Model9631> Items { get; set; }
+
+			public ViewModel9631()
+			{
+				var collection = new ObservableCollection<Model9631>();
+				var pageSize = 50;
+
+				for (var i = 0; i < pageSize; i++)
+				{
+					collection.Add(new Model9631
+					{
+						Text = "Image" + i,
+						Source = "coffee.png",
+						AutomationId = "Image" + i
+					});
+				}
+
+				Items = collection;
+			}
+		}
+
+		[Preserve(AllMembers = true)]
+		public class Model9631
+		{
+			public string Text { get; set; }
+
+			public string Source { get; set; }
+
+			public string AutomationId { get; set; }
+
+			public Model9631()
+			{
+
+			}
+		}
+	}
+}

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems

@@ -71,6 +71,7 @@
       <SubType>Code</SubType>
     </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Issue9580.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Issue9631.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue9682.xaml.cs">
       <DependentUpon>Issue9682.xaml</DependentUpon>
       <SubType>Code</SubType>
@@ -1414,7 +1415,6 @@
     <Compile Include="$(MSBuildThisFileDirectory)Issue10477.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue10875.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue10708.cs" />
-
     <Compile Include="$(MSBuildThisFileDirectory)Issue9711.xaml.cs">
       <DependentUpon>Issue9711.xaml</DependentUpon>
       <SubType>Code</SubType>

Xamarin.Forms.Platform.UAP/CollectionView/StructuredItemsViewRenderer.cs

@@ -1,6 +1,8 @@
 using System;
 using System.ComponentModel;
+
 using Windows.UI.Xaml.Controls;
+
 using UWPApp = Windows.UI.Xaml.Application;
 using WListView = Windows.UI.Xaml.Controls.ListView;
 using WScrollMode = Windows.UI.Xaml.Controls.ScrollMode;
@@ -61,7 +63,7 @@ namespace Xamarin.Forms.Platform.UWP
 					return CreateHorizontalListView(listItemsLayout);
 			}
 
-			throw new NotImplementedException("The layout is not implemented");			
+			throw new NotImplementedException("The layout is not implemented");
 		}
 
 		protected virtual void UpdateHeader()
@@ -220,10 +222,10 @@ namespace Xamarin.Forms.Platform.UWP
 				ItemsPanel = (ItemsPanelTemplate)UWPApp.Current.Resources["HorizontalListItemsPanel"],
 				ItemContainerStyle = GetHorizontalItemContainerStyle(listItemsLayout)
 			};
-
+			ScrollViewer.SetVerticalScrollBarVisibility(horizontalListView, Windows.UI.Xaml.Controls.ScrollBarVisibility.Hidden);
+			ScrollViewer.SetVerticalScrollMode(horizontalListView, WScrollMode.Disabled);
 			ScrollViewer.SetHorizontalScrollMode(horizontalListView, WScrollMode.Auto);
-			ScrollViewer.SetHorizontalScrollBarVisibility(horizontalListView,
-				Windows.UI.Xaml.Controls.ScrollBarVisibility.Auto);
+			ScrollViewer.SetHorizontalScrollBarVisibility(horizontalListView, Windows.UI.Xaml.Controls.ScrollBarVisibility.Auto);
 
 			return horizontalListView;
 		}