SubClass

[WCSO]

I finally learned to sub class and started with a form. I've done what I need to do so when I create a new form, is shows my new sub-class and the form appears the way I intended. But how can I get existing forms to be based on my subclass? When I look at the properties of the form, it shows None for the ClassLibrary but does not allow me to change it.

 

[bborissov]

You can't from designer. You must hack the form to do this.
Make a good backup first (VERY GOOD ONE)

Open form as a table.

*** Extention is needed
USE MyForm.SCX 
SET FILTER TO [form] $ LOWER(Class)
BROWSE NORMAL

Change Class to match the Your Class name, ClassLoc to point VCX (use relative paths, not constant, i.e lib\MyNewForm.VCX, not d:\myProg\lib\myNewForm.VCX)where you defined your class, Leave BaseClass as is.
Close form and compile it (COMPILE FORM MyForm)
CHeck to see what happens )


Borislav Borissov

 

[bborissov]

OOPS. I find a many many more easy way

Open Class Browser, Open Your Form, Right Click on It and Choose REDEFINE, Then just select your Class


Borislav Borissov

 

[Mike Lewis]

WCSO,

You should definitely do it in the Class Browser. The sort of hack that Borislav suggested is not recommended except as a last resort.

Mike


__________________________________
Mike Lewis (Edinburgh, Scotland)

My sites:
Visual FoxPro (www.ml-consult.demon.co.uk)
Crystal Reports (www.ml-crystal.com)

 

[WCSO]

I wasn't comfortable with the hack idea and I agree with you. I tried the Class Browser but just can't seem to figure out the steps I need to do. Any thoughts on how exactly to do it?

 

[bborissov]

Open Class Browser. Click to open file. Choose Form from file types and open your form. I treeView RightClick on the form and choose REDEFINE.

Borislav Borissov

 

[WCSO]

That's what I have been trying. When I click Redfine, it as for a location. I pick my vcx file and it shows the classes I made. I click the form class and click ok. When it returns, the location is empty. If I click the dropdown, it shows what I selected. If I select it and click ok it tells me the location cannot be found. If I leave the location empty no change is noted for the classlibrary in the properties of the form when I open it.

To make sure all was ok, when I start a new form, it shows the ClassLibrary I setup.