C# (CSharp) Microsoft.AspNetCore.Components.Web.Virtualization.Virtualize Exemples

Exemple #1

        internal virtual RenderFragment RenderItems()
        {
            return(new RenderFragment(builder =>
            {
#if NET5
                if (AllowVirtualization)
                {
                    builder.OpenComponent(0, typeof(Microsoft.AspNetCore.Components.Web.Virtualization.Virtualize <object>));
                    builder.AddAttribute(1, "ItemsProvider", new Microsoft.AspNetCore.Components.Web.Virtualization.ItemsProviderDelegate <object>(LoadItems));
                    builder.AddAttribute(2, "ChildContent", (RenderFragment <object>)((context) =>
                    {
                        return (RenderFragment)((b) =>
                        {
                            RenderItem(b, context);
                        });
                    }));

                    builder.AddComponentReferenceCapture(7, c => { virtualize = (Microsoft.AspNetCore.Components.Web.Virtualization.Virtualize <object>)c; });

                    builder.CloseComponent();
                }
                else
                {
                    foreach (var item in LoadData.HasDelegate ? Data : View)
                    {
                        RenderItem(builder, item);
                    }
                }
#else
                foreach (var item in LoadData.HasDelegate ? Data : View)
                {
                    RenderItem(builder, item);
                }
#endif
            }));
        }