I have searched for topics on this question and what I found only confused me. Maybe I need a simple explanation.

I have a small MDI app, with 3 or 4 child forms. I am using a module page to share a class across the forms. i.e., my class is declared as "Public cProf as New Profile" in the module. I couldn't think of another way to share the class properties/methods across forms, but is using the module the best way to do this?

First Issue:
On the main mdi form, I have a statusbar. I need to set the text of the panels from the child forms. When I try to set the Text from the module it doesn't seem to work. How can I do this from the child forms and/or from the module? The method I use below for listboxes doesn't seem to work for my statusbar...

Second Issue:
One of the child forms has list boxes that need to be updated depending on a user selection in another child form. The only way I could successfully do this was to declare the form with the listbox as Public in my module. This doesn't seem quite right to me...???

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Beware of programmers with screwdrivers...

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Beware of programmers with screwdrivers...

For First issue i think that MDI childs can access the elements of the main form through their mdiparent property (given that this property is set properly). I belive u just have to cast the property to the type of your mdi parent form and then u can access all the elements of the parent form.

For the second issue. U can delegate this work to a common function in your parent form. call this function from your child forms and indicate in the function parameters as to what child to convey the message to. Let this function call the relevent functions in the child class to perform rest of the task.


Regards
Ankur Verma

Well...I sort of got it to work, but not in the form I am still using the Module.

In my module I have:
Then I can use this object in my child forms.

I still haven't figured out exactly how to do this without a Module. The MdiParent property of my child forms doesn't expose any objects of the parent-I must be missing something there...

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Beware of programmers with screwdrivers...

If u would see the type of MdiParent property, it is of type Form, so it'll show the functions and properties of form class only. It will not show any of the things you have defined in the Mdi Parent Form of your project. Thats why i mentioned the that you'll have to cast the property to your projects MdiParent Form before trying to access the elements specific to your MDI Parent Form class.

Regards
Ankur Verma

Thanks Ankur...I think I got it...I'll post my code later...

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Beware of programmers with screwdrivers...