By Steve Teixeira, Xavier Pacheco
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Such redeclarations either hide or override the inherited member. For more information about scope, inheritance, and the uses clause, see the Object Pascal Language Guide. Private, protected, public, and published declarations When you declare a field, property, or method, the new member has a visibility indicated by one of the keywords private, protected, public, or published. The visibility of a member determines its accessibility to other objects and units. • A private member is accessible only within the unit where it is declared.
Bevels The bevel component is a line that can appear raised or lowered. Some components, such as TPanel, have built-in properties to create beveled borders. When such properties are unavailable, use TBevel to create beveled outlines, boxes, or frames. Paint boxes The paint box allows your application to draw on a form. Write an OnPaint event handler to render an image directly on the paint box's Canvas. Drawing outside the boundaries of the paint box is prevented. For more information, see “Overview of graphics programming” on page 7-1.
Double-click the component, and the Code editor opens with the cursor at the beginning of the eventhandler body. To locate an event handler that’s not the default, 1 In the form, select the component whose event handler you want to locate. 2 In the Object Inspector, click the Events tab. 3 Select the event whose handler you want to view and double-click in the Value column. The Code editor opens with the cursor at the beginning of the eventhandler body. Associating an event with an existing event handler You can reuse code by writing event handlers that respond to more than one event.