Re: [Pnet-developers] Rectangle.Union

[Rhys Weatherley]

On Thursday 25 August 2005 06:31 pm, Miroslaw Dobrzanski-Neumann wrote:

> From the MSDN (http://msdn.microsoft.com)
> Rectangle.Empty Field
> Represents a Rectangle structure with its properties left uninitialized.
>
> BTW. What does it mean uninitialized? On .NET everything is initialized.
> When one however says uninitialized it should read as invalid or undefined.
>
> So, you mustn't make computation with undefined. It's obvious a bug. So
> another question. Should PNET and other implementations replicate a Bug?

In this case, I think the "bug" is in the MSDN documentation, not in the MS 
implementation.  An undefined rectangle is indistinguishable from the 
rectangle (0, 0, 0, 0), but the documentation doesn't make that clear.  You 
have to sort of "just know it" from the properties of C# structs.

Cheers,

Rhys.