In short, partial classes allow you to split the definition of a class across multiple files, or alternatively you could think about it as a code compilation unit separated over multiple files. The reason for the existence of this feature is - primarily - to provide a nice split between generated code and user code, as in the Windows Forms Designer that generates its code in a separate file, while developers have almost (you should delete the initialization call in the ctor) full control over the form's other code file.

A silly example:
public partial class Employee
{
    public void DoWork()
    {
    }
}

public partial class Employee
{
    public void GoToLunch()
    {
    }
}

taken from here:
http://bartdesmet.net/blogs/bart/archive/2007/07/28/c-3-0-partial-methods-what-why-and-how.aspx
and 
here:
http://msdn.microsoft.com/en-us/library/wa80x488.aspx

On Wed, Sep 21, 2011 at 10:42 PM, Alexandre Bergel <alexandre.bergel@me.com> wrote:
I do not have a concrete example, but you may have a contract (pre and post conditions) defined in one file, and a method in another file.
The pre and post conditions are then in different files than the method itself. A guy from microsoft is visiting us.

Alexandre


On 21 Sep 2011, at 17:36, Stéphane Ducasse wrote:

> Can you show an example because I'm confused.
>
> Stef
>
> On Sep 21, 2011, at 9:16 PM, Alexandre Bergel wrote:
>
>> Hi!
>>
>> In C#, a method may be defined in several files. In fact, each statement knows in which file it is defined. Currently, there is one unique file anchor per method.
>>
>> Is this something that FAMIX can represent?
>>
>> Cheers,
>> Alexandre
>> --
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>> Alexandre Bergel  http://www.bergel.eu
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--
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