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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

User Objects

Visual User Objects

Class User Objects (Non-visual User Objects)

PowerBuilder Online Courses - by Prasad Bodepudi


User objects1
User Objects

  • Visual User Objects

    • Standard

    • Custom

    • External

    • VBX

PowerBuilder Online Courses


User objects2
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


User objects3
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


User objects4
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


User objects5
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


User objects6

User Objects

Visual User Objects

Class User Objects (Non-visual User Objects)

PowerBuilder Online Courses - by Prasad Bodepudi


User objects7
User Objects

  • Class User Objects (Non-visual uo)

    • Standard

    • Custom

    • C++

PowerBuilder Online Courses


User objects8
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


User objects9
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


User objects10
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


User objects11

User Objects

Visual User Objects

Class User Objects (Non-visual User Objects)

Questions/Comments? Drop an e-mail at [email protected]

The End

PowerBuilder Online Courses - by Prasad Bodepudi


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