about types

[Owen]

Hello:

I want to know the class of object, to compare to some class, how can I do
that?

Owen.

 

[Tom Porterfield]

Hello:

I want to know the class of object, to compare to some class, how can
I do that?

The is operator can do this quite simply, it gets the type and handles the
comparison for you. Ex:

MyClass myObject = new MyClass;
if (myObject is MyClass) return true;

That would return true.
--
Tom Porterfield
MS-MVP MCE
http://support.telop.org

Please post all follow-ups to the newsgroup only.

 

[Jon Skeet [C# MVP]]

I want to know the class of object, to compare to some class, how can I do
that?

Well, there's:

if (myObject is SomeType)

or

myObject.GetType() to get the type of the object

or

typeof(SomeType) to get the type of SomeType (which you know in
advance)

 

[Stoitcho Goutsev \(100\) [C# MVP]]

Hi Owen,

If you want to check whether an object is instance of given class you can
use *as* or *is* operators.

If you want to check exactly the run-time class of an object
you can do

if(obj.GetType() == typeof(SomeType))
{
//The run-time type of the object is SomeType
....
}