Examples of using Code-behind in English and their translations into Slovak
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Colloquial
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Official
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Medicine
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Financial
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Ecclesiastic
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Official/political
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Computer
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Programming
And here is what happens in the code-behind.
In Code-behind, you will need a matching method to handle the click.
Subscribing to an event from Code-behind.
You can of course access your resources from Code-behind as well, which can be useful in several situations.
In praxis this meansthat you can't select or expand/collapse a given node from code-behind.
Double-click SignOut to open the code-behind page(Default. aspx. cs), and copy the following code in the cmdSignOut_ServerClick event handler.
This section presents the code that is placed in the code-behind pageLogon. aspx.
In Code-behind, we handle the click event of the button, in which we add each of the text strings to the ListBox, as seen on the screenshot.
This section presents the code that is placed in the code-behind page(Logon. aspx. cs).
In the code-behind, I have defined a Person class, with a couple of properties, which inherits our extra properties from the TreeViewItemBase class.
When you select<New Event Handler>Visual Studio will generate an appropriate event handler in your Code-behind file.
Adding Rules or code-behind to forms You can add declarative rules or code-behind forms to perform additional business logic, such as validation and calculations.
Visual Studio will automatically create it for you when you start a new WPF application,including a Code-behind file called App. xaml. cs.
In the code-behind, we simply create two Family instances, fill each of them with a set of members, and then add each of the families to a list, which is then used as the items source for the TreeView.
The CheckBox control allows the end-user to toggle an option on or off,usually reflecting a Boolean value in the Code-behind.
This may or may not be important to you- as already stated,you can still read the password from Code-behind, but for MVVM implementations or if you just love data bindings, a workaround has been developed.
As you can see, formatting text through XAML is very easy, but in some cases,you might prefer or even need to do it from your C/Code-Behind file.
In the previous example, we saw how we could store resources in several different places,so in this example, we will be accessing three different resources from Code-behind, each stored in a different scope.
We will look more closely at how events work in WPF, since this is a complex topic, but for now, you need to know how to link acontrol event in XAML to a piece of code in your Code-behind file.
As we talked about in the previous article, the WPF TreeView can be used ina very simple manner, by adding TreeViewItem objects to it, either from Code-behind or simply by declaring them directly in your XAML.
While it is entirely possible to define an entire TreeView just using markup, as we did in the above examples, it's not the best approach in most situations,and while you could do it from Code-behind instead, this would have resulted in even more lines of code.