I need like this
public class AA{
public AA(){}
[Default("hi")]
public string value1{get;set}
[Default(12)]
public int value2{get;set;}
}
Usage:
AA a=new AA();
print(a.value1); //result: hi
print(a.value2); //result: 12
Is it possible to create like this?
I know another way
Public class AA{
public AA(){value1="hi";value2=12}
...
}
Otherwise
AA a=new AA(){value1="hi",value2=12};
But i need only attribute.
No, but you can easily initialize them in your parameterless constructor.
public class AA
{
public AA()
{
// default values
Value1 = "hi";
Value2 = 12;
}
public string Value1 {get;set}
public int Value2 {get;set;}
}
Or, instead of using auto-implemented properties, use actual properties with backing fields initialized to a default value.
public class AA
{
private string _value1 = "hi";
public string Value1
{ get { return _value1; } }
{ set { _value1 = value; } }
private int _vaule2 = 12;
public int Value2
{ get { return _value2; } }
{ set { _value2 = value; } }
}
Creating a property with an actual backing field is not such a big problem with Visual Studio snippets. By typing prop in VS and hitting the Tab key, you get the full snippet for a read/write property.
[Edit] Check this thread also: How do you give a C# Auto-Property a default value?
[Yet another edit] If your believe this will make it more readable, check the following link: it's a get/set snippet which will generate the property with the necessary backing field, and automatically add a #region block around it to collapse the code: Snippets at CodePlex (by Omer van Kloeten). Download it and check the
Get+Set Property (prop) snippet.
Not currently. Right now, the only options are to set this in the constructor, or to use a property with a backing field.
However, you could use PostSharp to implement this via AOP fairly easily. (Although, I do not believe this is currently an option).
