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This class traps for data conflicts on buffered data.

Category Data Editing

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VisualВ FoxProВ Catalog\FoundationВ Classes\DataВ Query



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To use, drop the class on a project or form 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 need to specify the appropriate property values. 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

HandleRecord method

Compares the current value, old value, and original value on disk of each field, displaying a message box if a change or conflict is detected.

Syntax: HandleRecord(lnScope)

Return:В nReturn

Arguments: lnScope specifies the degree of validation:

nReturn specifies the action taken:

String method

Called by the HandleRecord method, returns a character equivalent of the passed value. Returns only a notification for memo fields.

Syntax: String(luValue)

Return: none

Arguments: luValue specifies the value to be checked.

VerifyChanges method

Prompts a user to save all changes made to a table or record.

Syntax: VerifyChanges(В )

Return: none

Arguments: none

VerifyEachChange method

Prompts a user to confirm each change made.

Syntax: VerifyEachChange(В )

Return: none

Arguments: none

CheckcConflicts method

Notifies a user when data has changed after record editing started.

Syntax: CheckcConflicts(В )

Return: none

Arguments: none

See Also

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