First, define a new custom form from scratch
1. Create a new directory and create a new project.
2. Define this auto-created form for the style you want.
3. Save the form and the unit to the desired directory, and the project file will be saved in the new directory.
4. Delete the unused Engineering Unicom catalogue.
Ii. using a custom form in a new project
1. Create a new project.
2. Remove the Automatically created unit (the Automatically created form will also be removed).
3. Add a custom form to the project.
4. Create a new form using the wizard. In Delphi7, the steps are as follows:
(1) File, New, other ... Select a custom form, select the same tab as the project name, OK
(2) Project, Options, select Form tab, remove a custom form from the auto-create List
Select the desired form as the main form.
5. Save the project.
Other methods See "Delphi Write your own form into the object library"
Using the custom form