C# PageInfo.GetArguments方法代码示例

        /// <summary>
        /// Populates the page with content passed during navigation.  Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="pageInfo">Information on the arguments and state passed to the page.</param>
        public async void Activate(PageInfo pageInfo)
        {
            // TODO: Create an appropriate data model for your problem domain to replace the sample data

            string itemId = pageInfo.GetArguments<string>();
            var item = await SampleDataSource.GetItemAsync(itemId);
            this.Item = item;
        }

        public void Constructor_SetsArguments_Struct()
        {
            PageInfo navigationEntry = new PageInfo("Page Name", new StructState() { Text = "Text Value", Number = 42 });

            var args = navigationEntry.GetArguments<StructState>();
            Assert.Equal("Text Value", args.Text);
            Assert.Equal(42, args.Number);
        }

        /// <summary>
        /// Populates the page with content passed during navigation.  Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="pageInfo">Information on the arguments and state passed to the page.</param>
        public async void Activate(PageInfo pageInfo)
        {
            // TODO: Create an appropriate data model for your problem domain to replace the sample data

            string groupId = pageInfo.GetArguments<string>();
            var group = await SampleDataSource.GetGroupAsync(groupId);
            this.Group = group;
            this.Items = group.Items;
        }

 public void Activate(PageInfo pageInfo)
 {
     this.Message = String.Format("Clicked on {0}", pageInfo.GetArguments<string>());
 }

        public void Constructor_SetsArguments_NullReturnsDefaultInt()
        {
            PageInfo navigationEntry = new PageInfo("Page Name", null);

            Assert.Equal(0, navigationEntry.GetArguments<int>());
        }

        public void Constructor_SetsArguments_NullClass()
        {
            PageInfo navigationEntry = new PageInfo("Page Name", (ClassState)null);

            Assert.Equal(null, navigationEntry.GetArguments<ClassState>());
        }

        public void Constructor_SetsArguments_Int()
        {
            PageInfo navigationEntry = new PageInfo("Page Name", 42);

            Assert.Equal(42, navigationEntry.GetArguments<int>());
        }

        public void Constructor_SetsArguments_NullString()
        {
            PageInfo navigationEntry = new PageInfo("Page Name", (string)null);

            Assert.Equal(null, navigationEntry.GetArguments<string>());
        }

        public void Constructor_SetsArguments_String()
        {
            PageInfo navigationEntry = new PageInfo("Page Name", "Arguments");

            Assert.Equal("Arguments", navigationEntry.GetArguments<string>());
        }

        /// <summary>
        /// Populates the page with content passed during navigation.  Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="pageInfo">Information on the arguments and state passed to the page.</param>
        public async void Activate(PageInfo pageInfo)
        {
            // TODO: Create an appropriate data model for your problem domain to replace the sample data

            string groupId = pageInfo.GetArguments<string>();
            var group = await SampleDataSource.GetGroupAsync(groupId);
            this.Group = group;
            this.Items = group.Items;

            // Restore the selected item

            string selectedItemId;

            if (pageInfo.TryGetState<string>("SelectedItem", out selectedItemId))
                SelectedItem = await SampleDataSource.GetItemAsync(selectedItemId);
            else
                SelectedItem = null;
        }