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Headkaze

Dynamic properties when calling base?

4 posts in this topic

I really like how I can use dynamic properties when creating a new object.

Eg. MyObject myObject = new MyObject() { Property1 = something, Property2 = somethingElse };

It saves me having to create a bunch of overloaded constructors and it makes it easier to see what values I'm setting (kinda like Objective C).

Now I'd like to do this when calling base on a subclass constructor.

ie. void MySubObject(int something, int somethingElse)
: base() { Property1 = something, Property2 = somethingElse }

I'm getting an error so I assume the syntax is either incorrect or I can't do this.
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You're close, but not quite. The following should work:

[CODE]public class BaseClass
{
public BaseClass(int property1, int property2) { }
}

public class SubClass : BaseClass
{
public SubClass(int property1, int property2) : base(property1, property2) { }
}[/CODE] Edited by adt7
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I know I can pass in parameters like that but that wasn't my question. Nevermind though as it is so blatently obvious how to do what I want without needing a bunch of overloaded constructors.

ie.
[code]void MySubObject(int something, int somethingElse)
: base()
{
Property1 = something;
Property2 = somethingElse;
}[/code]

The difference being you set the properties in the constructor's block and not into the base class block and you separate the properties being set by semicolon's instead of commas.
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Just for the record, what you are using is called the [i]object initialization syntax[/i]. [url="http://blogs.msdn.com/b/csharpfaq/archive/2009/10/01/dynamic-in-c-4-0-introducing-the-expandoobject.aspx"]Dynamic properties are something else entirely[/url].
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[quote name='ChaosEngine' timestamp='1352768564' post='5000402']
Just for the record, what you are using is called the [i]object initialization syntax[/i]. [url="http://blogs.msdn.com/b/csharpfaq/archive/2009/10/01/dynamic-in-c-4-0-introducing-the-expandoobject.aspx"]Dynamic properties are something else entirely[/url].
[/quote]

Thanks for that; knowing what it's called is helpful. I really like the feature alot.
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