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C# IRegion.Add方法代码示例

本文整理汇总了C#中IRegion.Add方法的典型用法代码示例。如果您正苦于以下问题:C# IRegion.Add方法的具体用法?C# IRegion.Add怎么用?C# IRegion.Add使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IRegion的用法示例。


在下文中一共展示了IRegion.Add方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: LoadContent

        /// <summary>
        /// Gets the view to which the navigation request represented by <paramref name="navigationContext"/> applies.
        /// </summary>
        /// <param name="region">The region.</param>
        /// <param name="navigationContext">The context representing the navigation request.</param>
        /// <returns>
        /// The view to be the target of the navigation request.
        /// </returns>
        /// <remarks>
        /// If none of the views in the region can be the target of the navigation request, a new view
        /// is created and added to the region.
        /// </remarks>
        /// <exception cref="ArgumentException">when a new view cannot be created for the navigation request.</exception>
        public object LoadContent(IRegion region, NavigationContext navigationContext)
        {
            if (region == null)
                throw new ArgumentNullException(nameof(region));

            if (navigationContext == null)
                throw new ArgumentNullException(nameof(navigationContext));

            string candidateTargetContract = this.GetContractFromNavigationContext(navigationContext);

            var candidates = this.GetCandidatesFromRegion(region, candidateTargetContract);

            var acceptingCandidates =
                candidates.Where(
                    v =>
                    {
                        var navigationAware = v as INavigationAware;
                        if (navigationAware != null && !navigationAware.IsNavigationTarget(navigationContext))
                        {
                            return false;
                        }

                        var frameworkElement = v as FrameworkElement;
                        if (frameworkElement == null)
                        {
                            return true;
                        }

                        navigationAware = frameworkElement.DataContext as INavigationAware;
                        return navigationAware == null || navigationAware.IsNavigationTarget(navigationContext);
                    });


            var view = acceptingCandidates.FirstOrDefault();

            if (view != null)
            {
                return view;
            }

            view = this.CreateNewRegionItem(candidateTargetContract);

            region.Add(view);

            return view;
        }
开发者ID:Citringo,项目名称:Prism,代码行数:59,代码来源:RegionNavigationContentLoader.cs

示例2: LoadContent

        /// <summary>
        /// Gets the view to which the navigation request represented by <paramref name="navigationContext"/> applies.
        /// </summary>
        /// <param name="region">The region.</param>
        /// <param name="navigationContext">The context representing the navigation request.</param>
        /// <returns>The view to be the target of the navigation request.</returns>
        /// <exception cref="ArgumentException">When a new view cannot be created for the navigation request.</exception>
        public virtual object LoadContent( IRegion region, NavigationContext navigationContext )
        {
            if ( region == null )
            {
                throw new ArgumentNullException ( "region" );
            }
            if ( navigationContext == null )
            {
                throw new ArgumentNullException ( "navigationContext" );
            }
            _logger.Debug ( "Navigation request - Region: {0} - Uri: {1}", region.Name, navigationContext.Uri );

            var candidateTargetContract = GetContractFromNavigationContext ( navigationContext );

            var candidates = GetCandidatesFromRegion ( region, candidateTargetContract );

            var acceptingCandidates =
                candidates.Where (
                    v =>
                        {
                            var navigationAware = v as INavigationAware;
                            if ( navigationAware != null && !navigationAware.IsNavigationTarget ( navigationContext ) )
                            {
                                return false;
                            }

                            var frameworkElement = v as FrameworkElement;
                            if ( frameworkElement == null )
                            {
                                return true;
                            }

                            navigationAware = frameworkElement.DataContext as INavigationAware;
                            return navigationAware == null || navigationAware.IsNavigationTarget ( navigationContext );
                        } );

            var view = acceptingCandidates.FirstOrDefault ();

            if ( view != null )
            {
                return view;
            }

            view = CreateNewRegionItem ( candidateTargetContract );

            var createScopedRegion = region.Behaviors.ContainsKey ( "CreateScopedRegionBehavior" );
            var regionManager = region.Add ( view, null, createScopedRegion );

            TrySetRegionManager ( view, regionManager );

            return view;
        }
开发者ID:divyang4481,项目名称:REM,代码行数:59,代码来源:RegionNavigationContentLoader.cs


注:本文中的IRegion.Add方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。