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Use of more forms.

Posted on 1997-10-01
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Last Modified: 2010-04-04
IMPORTANT: I am a beginner, but I couldn't find the answer in my Delphi-books to my next question: I want to use more forms in ONE application. All the time I want the possibility to use more than one form, and not just at the start of the program. Which steps do I have to follow when I want to make an application with two forms and how do I have to save the whole project? And when I re-open the project, the second form I created is never visible, why?
Thanks for the answer! RoosieDB, The Netherlands.
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Question by:RoosieDB
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Expert Comment

by:Waldek
ID: 1346689
Do You will display two forms at start Your program ?
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by:RoosieDB
ID: 1346690
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crexes earned 50 total points
ID: 1346691
Hi...
When you want to add a Form to your application you can select:
"New Form" - button
OR
File/New Form - menu

Then you will get one new form (ex. Form2) AND a new unit (ex. Unit2). Every Form has got ONE unit wich contains the code to the specific Form.
If you want to call procedures or functions from Form2 when your Form1 is displaying (ex. you want to show Form2 and call the procedure Form2.Show) you MUST declarate your (in this case) Unit2 in your Unit1 under the "implementation" - topic in Unit1.
Ex:
---------
implementation
uses Unit2
---------
That explains to the compilator that it should look in Unit2 for the Form2.Show - procedure.

File/Save Project - meny saves the project... When you open your project only ONE form comes up - BUT the other one (this case Form2) is also integrated in the project. If you want to show this at design time you can pick it from the "Select form from list" - button.

Hope this helps...

//Crexes
Thomas


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