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Jim Sawyer · Guest

I have an SDI app, and I want to call a MDI app from inside it with a button
click. The MDI app has been developed outside the SDI app, and works fine.
I find, however, that it's not a simple matter to just call it from the SDI
app by a command such as

MyMDIAppForm.ShowModal;

It gets to the point where it is trying to open the child form (EditForm)
with the line of code

TEditForm.Create( Self );

and bombs with the error

'Cannot create form. No MDI forms are currently active'

Can someone give me a quick course in calling an MDI sub-project from within
an application???

Jim Sawyer
DataWare