ReleaseCapturedPage
Page layout, resource management
Declaration
Function TPDFlib.ReleaseCapturedPage(CaptureID: Integer): Integer;Description
Invalidates a captured-page handle and releases its transient descriptor state when the caller no longer needs another placement
Form XObjects already installed in page resource dictionaries and their existing Do invocations remain valid after the handle is released
A released handle cannot be drawn, configured or released again
Parameters
| CaptureID | A handle returned by CapturePage, CapturePageEx, ImportPageAsFormXObject or EndFormXObject |
|---|
Return values
| 0 | The handle is invalid or has already been released |
|---|---|
| 1 | The transient capture state was released successfully |
Example
CaptureID := PDF.EndFormXObject;
if CaptureID <> 0 then
begin
PDF.DrawCapturedPage(CaptureID, 20, 20, 120, 40);
PDF.ReleaseCapturedPage(CaptureID);
end;