Microsoft.Practices.Composite.Presentation.Regions.SingleActiveRegion.Activate C# (CSharp) Method

SingleActiveRegion Class Documentation Usage Examples Of Microsoft.Practices.Composite.Presentation.Regions.SingleActiveRegion::Activate Mostra file Open project: nirzaf/EclipsePOS.WPF.SystemManager

Activate() public method

Marks the specified view as active.
If there is an active view before calling this method, that view will be deactivated automatically.
public Activate ( object view ) : void
view object The view to activate.
return void 
        public override void Activate(object view)
        {
            object currentActiveView = ActiveViews.FirstOrDefault();

            if (currentActiveView != null && currentActiveView != view && this.Views.Contains(currentActiveView))
            {
                base.Deactivate(currentActiveView);
            }
            base.Activate(view);
        }
    }

Usage Example

Esempio n. 1
0
        public void ActivatingNewViewDeactivatesCurrent()
        {
            IRegion region = new SingleActiveRegion();
            var view = new object();
            region.Add(view);
            region.Activate(view);

            Assert.IsTrue(region.ActiveViews.Contains(view));

            var view2 = new object();
            region.Add(view2);
            region.Activate(view2);

            Assert.IsFalse(region.ActiveViews.Contains(view));
            Assert.IsTrue(region.ActiveViews.Contains(view2));
        }
SingleActiveRegion
Activate