I would like to understand how the built-in function property works. What confuses me is that property can also be used as a decorator, but it only takes arguments when used as a built-in function ...
Get value of a specific object property in C# without knowing the class behind Asked 13 years, 5 months ago Modified 4 years, 7 months ago Viewed 213k times
When accessing a property, the "dot" syntax (images.main) supposes, I think, that it already exists. I had such problems without Typescript, in "vanilla" Javascript, where I tried to access data as: return json.property[0].index where index was a variable. But it interpreted index, resulting in a: cannot find property "index" of json.property[0]
A property can have a 'get' accessor only, which is done in order to make that property read-only When implementing a get/set pattern, an intermediate variable is used as a container into which a value can be placed and a value extracted.
In the interface, there is no code. You just specify that there is a property with a getter and a setter, whatever they will do. In the class, you actually implement them. The shortest way to do this is using this { get; set; } syntax. The compiler will create a field and generate the getter and setter implementation for it.
For instance in this article I read this (.. class attribute (or class property, field, or data member) I have seen rather well cut out questions that show that there is a difference between class property and class field for instance What is the difference between a Field and a Property in C#?
In my situation I had my property auto initialize a command in a ViewModel for a View. I changed the property to use expression bodied initializer and the command CanExecute stopped working. Here's what it looked like and here's what was happening.
16 How to add property to a python class dynamically? Say you have an object that you want to add a property to. Typically, I want to use properties when I need to begin managing access to an attribute in code that has downstream usage, so that I can maintain a consistent API.