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   Collapse AllThis method creates a watermark in a PDF document.
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| LONG CreateWaterMark () |
Return value
Index of the new watermark.
Remarks
The method creates a new watermark in a PDF document. The return value is a watermark identifier in the document's watermarks collection and can be used in CurrentWaterMarkIndex, PDFPAGE_DrawWatermark, PDFPAGE_Watermark.
When you use Watermark functions, you must set the watermark to the page before all other output functions.
Equivalent in new interface: IPDFDocument4::AddWatermark.
Example
How to Insert an Image and Show It as a Watermark in a PDF
Delphi
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{ PDF object is supposed to be created }
PDF.BeginDoc;
j := PDF.CreateWatermark;
PDF.SwitchedToWaterMark := true;
PDF.PDFPAGE_Width := 376;
PDF.PDFPAGE_Height := 373;
PDF.PDFPAGE_PlayMetaFileFromFileName('autumnleaves.emf');
PDF.SwitchedToWaterMark := false;
PDF.PDFPAGE_Width := 376;
PDF.PDFPAGE_Height := 373;
PDF.PDFPAGE_WaterMark := j;
PDF.NewPage;
PDF.PDFPAGE_Width := 376;
PDF.PDFPAGE_Height := 373;
PDF.PDFPAGE_WaterMark := j;
PDF.EndDoc;
C/C++
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// PDF object is supposed to be created
PDF->BeginDoc();
LONG j = PDF->CreateWatermark();
PDF->SwitchedToWaterMark = TRUE;
PDF->PDFPAGE_Width = 376;
PDF->PDFPAGE_Height = 373;
PDF->PDFPAGE_PlayMetaFileFromFileName("autumnleaves.emf");
PDF->SwitchedToWaterMark = FALSE;
PDF->PDFPAGE_Width = 376;
PDF->PDFPAGE_Height = 373;
PDF->PDFPAGE_WaterMark = j;
PDF->NewPage();
PDF->PDFPAGE_Width = 376;
PDF->PDFPAGE_Height = 373;
PDF->PDFPAGE_WaterMark = j;
PDF->EndDoc();
C#
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// PDF object is supposed to be created
PDF.BeginDoc();
long j = PDF.CreateWatermark();
PDF.SwitchedToWaterMark = true;
PDF.PDFPAGE_Width = 376;
PDF.PDFPAGE_Height = 373;
PDF.PDFPAGE_PlayMetaFileFromFileName("autumnleaves.emf");
PDF.SwitchedToWaterMark = false;
PDF.PDFPAGE_Width = 376;
PDF.PDFPAGE_Height = 373;
PDF.PDFPAGE_WaterMark = j;
PDF.NewPage();
PDF.PDFPAGE_Width = 376;
PDF.PDFPAGE_Height = 373;
PDF.PDFPAGE_WaterMark = j;
PDF.EndDoc();
Visual Basic
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' PDF object is supposed to be created PDF.BeginDoc j = PDF.CreateWatermark PDF.SwitchedToWaterMark = True PDF.PDFPAGE_Width = 376 PDF.PDFPAGE_Height = 373 PDF.PDFPAGE_PlayMetaFileFromFileName "autumnleaves.emf" PDF.SwitchedToWaterMark = False PDF.PDFPAGE_Width = 376 PDF.PDFPAGE_Height = 373 PDF.PDFPAGE_WaterMark = j PDF.NewPage PDF.PDFPAGE_Width = 376 PDF.PDFPAGE_Height = 373 PDF.PDFPAGE_WaterMark = j PDF.EndDoc
See Also