THotPDF.DiffPreflightProfiles Method
Provides diff preflight profiles behaviour for the preflight validation workflow. Use it when the surrounding API family needs explicit control over PDF objects, page content, resources, conformance, or diagnostics
Declaration
function DiffPreflightProfiles(const A, B: THPDFPreflightProfile; out OnlyInA: AnsiString; out OnlyInB: AnsiString): boolean;Unit
HPDFDoc
Parameters
| Name | Purpose |
|---|---|
A | Input used by DiffPreflightProfiles |
B | Color component or color value used by the painting or resource operation |
OnlyInA | Input used by DiffPreflightProfiles |
OnlyInB | Input used by DiffPreflightProfiles |
Return value
Returns a boolean value
Usage notes
- Use this API in the preflight validation workflow before the affected page, resource, field, or catalog object is finalised
- Keep object names, field names, resource names, and returned handles stable until the document is finalised
- Use profile helpers when report output must be repeatable across batch validation runs