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User Objects

User Objects. Visual User Objects Class User Objects (Non-visual User Objects). User Objects. Visual User Objects Standard Custom External VBX. User Objects. Standard Visual User Objects Includes all window controls.

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User Objects

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  1. User Objects Visual User Objects Class User Objects (Non-visual User Objects) PowerBuilder Online Courses - by Prasad Bodepudi

  2. User Objects • Visual User Objects • Standard • Custom • External • VBX PowerBuilder Online Courses

  3. User Objects • Standard Visual User Objects • Includes all window controls. • All events that are available at the standard window control are available in this user object. • Can be placed in another custom visual user object or on a window. PowerBuilder Online Courses

  4. User Objects • Custom Visual User Objects • Any window control including standard/ custom/ external visual uo can be placed on this type of user object. • Can be placed in another custom visual user object or on a window. • Has only constructor, destructor, drag-n-drop events along with rMouseButton and other events. PowerBuilder Online Courses

  5. User Objects • External Visual User Objects • Allows you to use third-party controls in PowerBuilder. • All events that are available for custom visual user objects are available are available. PowerBuilder Online Courses

  6. User Objects • VBX Visual User Objects • Allows you to use VBX (Visual Basic) controls in PowerBuilder. • VBX controls are supported only till v4.0. • From v5.0, you can’t create a new VBX user object, however, you can migrate v4.0 applications that are using VBX user objects. PowerBuilder Online Courses

  7. User Objects Visual User Objects Class User Objects (Non-visual User Objects) PowerBuilder Online Courses - by Prasad Bodepudi

  8. User Objects • Class User Objects (Non-visual uo) • Standard • Custom • C++ PowerBuilder Online Courses

  9. User Objects • Standard Class User Objects • Allows you to create user objects that are inherited from standard classes such as Error, Transaction, etc... • Useful you to extend the functionality of standard classes. PowerBuilder Online Courses

  10. User Objects • Custom Class User Objects • Allows you to create user objects and put business logic. • You can auto-instantiate these user objects. • Does not have any events other than constructor and destructor. PowerBuilder Online Courses

  11. User Objects • C++ Class User Objects • Allows you to write the business logic in C++ and use those classes in PowerBuilder. • Good when the business logic includes a lot of arithmetical calculations and iterations. • The speed benefits are narrowed once PowerBuilder started creating machine code executables from v5.0. PowerBuilder Online Courses

  12. User Objects Visual User Objects Class User Objects (Non-visual User Objects) Questions/Comments? Drop an e-mail at prasad@applied-software.com The End PowerBuilder Online Courses - by Prasad Bodepudi

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