4.2.3.41 CheckFilter

Prototype:

function CheckFilter(const Filter: string; out ErrorMessage: string): boolean;

Description:

The CheckFilter function checks whether the query passed as a Filter parameter is a valid SQL query or not

Syntax:

variable := Layer.CheckFilter(Filter, ErrorMessage);

Part

Description

variable

A variable declared as a boolean

Layer

A reference to the Field-Map layer as defined in Field-Map Project Manager

Filter

An SQL query as a string

ErrorMessage

The ErrorMessage parameter must be a string variable

Return value:

true if the Filter query is valid, otherwise false