custom-binding | 易学教程

Knockoutjs: ScrollIntoViewTrigger

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i recently struggled with a problem and although i solved it for me, i'm not sure whether there aren't better solutions out there, so I'd appreciate any comments. Problem. i wanted to create a 'ScrollIntoView' binding. Since scrolling an element into view, requires the DOM-Element, i wrote a custom binding, which i then wanted to explicitly trigger, whenever i pleased. I started with this code: ko.bindingHandlers.scrollTo = { update: function (element, valueAccessor, allBindings) { var _value = valueAccessor(); var _valueUnwrapped = ko.unwrap(_value); if (_valueUnwrapped) { element

Configuring WCF client and service for use with protobuf-net

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I decided to open a new question about this matter, maybe expanding this question, not having found a precise answer about the issue anywhere on the Internet. I want to use protobuf-net to serialize/deserialize messages exchanged between my WCF client and service. The service is self-hosted in a Windows Service. Both client and service are configured programmatically, using a custom binding very similar to wsHttpBinding . Service reference code is generated using "Add Service Reference" option in Visual Studio. The ORM used on the WCF service is EntityFramework 4 and it's code is generated

Possible to fire custom binding update except initially?

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问题 Let's say I have this: ko.bindingHandlers.test= { update: function (element, valueAccessor) { alert("Test"); } }; The alert fires every time an observable is changed, but also initally when the binding is first evaluated. How can I make the alert fire on every change except initially? 回答1: Here's one way: keep an array of elements that the update populates with its element if it's not there (which is the first time it runs) and otherwise does whatever action. Since you've got a custom binding