V4MD: Multiple opened Projector edit the same local db -> is that safe?

[Ruslan Zasukhin]

On 6/16/08 6:38 PM, "Marc Schmitt" <Marc_Schmitt at gmx.de> wrote:

Hi Marc,

> it seems that I've answered too fast. I am running here in problems while
> testing...
> I am trying to do the open/save-trick with a dummy-database with an empty
> table.
> 
> When one projector has opened the db and the same projector wants to open it
> again,
> then db.lastError = 365828 (File xyz is already open). That's just like it
> should be.
> 
> BUT: If I open the same db additionally on another projector db.lastError = 0.
> But in the case I understood the open/close-trick an error should be generated
> here, too. 
> Is this correct?
> 
> I am using WinXP with valentina 3.5.2.0

Aha, I think I see why.

About 2 months ago Ivan have implement for Windows that in this case SECOND
user get db opened in ReadOnly mode.

It seems Vdatabase class have IsReadOnly property.
    although this is not strict.
    may be db is really a read only files.


May be better go with VSERVER?


-- 
Best regards,

Ruslan Zasukhin
VP Engineering and New Technology
Paradigma Software, Inc

Valentina - Joining Worlds of Information
http://www.paradigmasoft.com

[I feel the need: the need for speed]