Data Navigation Buttons Foundation Class

  • [アーティクル]
Category Data Navigation
Default Catalog Visual FoxPro Catalog\Foundation Classes\Data Navigation
Class _datanavbtns
Base Class Container
Class Library _datanav.vcx
Parent Class _container
Sample ...\Samples\Solution\Forms\single.scx

Remarks

This class is a set of navigation buttons that includes Top, Next, Prev, and Bottom buttons. It also contains the DataChecker class to check for conflicts during navigation betweeen records.

To use, drop the class on a project or form in a data environment or, from the Component Gallery Item Shortcut Menu, select Add to Project or Add to Form. When you add the class to a form, you should provide input and output objects. When you drop the class on a project, you can choose between adding the class or creating a subclass.

See Guidelines for Using Visual FoxPro Foundation Classes for more information on using foundation classes.

Properties, Events, Methods Description
cSkipTable property The table within which to move the pointer.
Default: ""
lEnableDisableOnInit property Specifies whether the navigation buttons
are enabled when they are first loaded.
Default: .T.
RecordPointerMoved method Called each time the record pointer is
moved, providing a new event for the class.
Syntax: RecordPointerMoved( )
Return: none
Arguments: none
EnableDisableButtons method Enables or disables buttons based on the
record pointer location.
Syntax: EnableDisableButtons( )
Return: none
Arguments: none
BeforeRecordPointerMoved method Called before the record pointer is moved
to determine if the table contains records.
Syntax: BeforeRecordPointerMoved( )
Return: none
Arguments: none

See Also

Guidelines for Using Visual FoxPro Foundation Classes | Visual FoxPro Foundation Classes A-Z | Visual FoxPro Foundation Classes