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60 Chapter 6: Procedures And Functions
6.3 Area Of Circle Using Function Application
Step 1: Design the interface as shown in Figure 6.1
Step 2: Set the objects and properties as shown in
Table 6.1.
Step 3: Plan the event procedures as shown in
Table 6.2.
Step 4: Write the code
Step 5: Save and run the project.
Figure 6.1 Graphical User Interface