Gene,
General Field Type
Not used very much at all as there really isn't anything you gain from 
embedding general fields if your database is large - apart from Memo field 
bloat. It is much better to embed links to the application you want to open as 
opposed to the "packaged data". One exception I use is when having to deal with 
rich text for transient or limited field numbers where it is quite useful. You 
can bind a General Field to a grid column if required and I do it to display 
images but on a large grid with large image sizes it does make navigation 
ponderously slow. I used to use the Kodak Image Thumbnail control when it was 
generally available back when as a free pre-installed control because it 
supported annotation and titles.

Screen Type
I am assuming you mean Screen Object as opposed to type. If so then I find this 
a great object to add "global properties" or user generated "global objects" 
which can pass data between forms or running programs. You can also use the 
Application object but I find this somewhat limiting unless you are requiring 
access to the application object's properties - for instance 
Application.ActiveProject.Homedir => Giving the base folder for the current 
project. 

Attaching objects to the _Screen object is much more useful and elegant than 
declaring variables as public and much more powerful as you can simulate the 
equivalent of Global Constants and easily add new properties to say a "global 
Object" as required and also on the fly.

Dave Crozier
Software Development Manager
Flexipol Packaging Ltd.

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-----Original Message-----
From: ProFox <[email protected]> On Behalf Of Gene Wirchenko
Sent: 28 September 2018 05:14
To: ProFox Email List <[email protected]>
Subject: Questions About Some VFP Data Types

Hello:

      I finished all of my boss's requests for the moment, and now, I am back 
working on my grid replacement.  Some day, maybe, I will have one.

      I am curious about some VFP data types.  What exactly are they?

      For each of them, is the data type ever used as a table or cursor's 
column data type or as the type of an input control's data value?  For some, I 
have another question.

G: General
      I understand this type should be avoided.  Is it of any use these days?

O: Object
      No additional question.

S: Screen
      What is this type?

B: Blob
      No additional question.

Sincerely,

Gene Wirchenko


[excessive quoting removed by server]

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