Page 212 - DCAP408_WEB_PROGRAMMING

Windows Programming

Notes 12.7 Keywords

CreateDialog: CreateDialog loads the template, creates the dialog box, and optionally exhibits
it.

Modal Dialog Boxes: Modal dialog boxes (also called as Application Modal dialog box) insist
you to respond to them before continuing in the same application.
Modeless Dialog Boxes: Modeless dialog boxes are just like any other form in your application
and loose their focus as soon as you click some other Window outside the application.
System Modal Dialog Box: A System Modal dialog box restricts the user from continuing work
on the system unless it gets unloaded.

12.8 Review Questions

1. Explain the process of exchanging data with a dialogue box using Global Variable Method
and Pointer Method.
2. Illustrate various DDX_OC functions used to exchange data.
3. How DDX is used to create a new dialog box class? Explicate.
4. What are the problems that appear while using global variables? Discuss.
5. Why the convenience of global variables sometimes outweighs the potential problems?

6. Illustrate the function of Application Modal Dialog Box.
7. What is system modal dialog box? Also write the syntax used in system modal dialog box.
8. Make distinction between modal and modal dialog boxes. Explain with appropriate
examples.
9. Elucidate how to create a Modeless Dialog Box a Modeless Dialog Box.
10. What are the memory allocation issues related with global variables? Illustrate.

Answers: Self Assessment

1. DDX_OCBoolRO 2. DDX_OCTextRO

3. DDX_OCShort 4. pointer
5. global 6. rules
7. synchronization 8. instances
9. input 10. Application Modal dialog box

11. Show 12. Modeless
13. System Modal 14. CreateDialog
15. Cancel

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