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  Inverts image colors.
 Syntax
HRESULT MakeImageNegative (
LONG imageIndex
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Parameters
Return value
If successful, this method returns S_OK. If it fails, this method should return one of the error values.
Remarks
Example
How to invert image colors
Delphi
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{ PDF object is supposed to be created }
PDF.BeginDoc;
j := PDF.AddImageFromFile('picture.jpg');
PDF.MakeImageNegative(j);
PDF.PDFPAGE_ShowImage(j, 200, 0, 122, 89, 0);
PDF.EndDoc;
C/C++
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// PDF object is supposed to be created
PDF->BeginDoc();
LONG j = PDF->AddImageFromFile("picture.jpg");
PDF->MakeImageNegative(j);
PDF->PDFPAGE_ShowImage(j, 200, 0, 122, 89, 0);
PDF->EndDoc();
// PDF object is supposed to be created
PDF.BeginDoc();
long j = PDF.AddImageFromFile("picture.jpg");
PDF.MakeImageNegative(j);
PDF.PDFPAGE_ShowImage(j, 200, 0, 122, 89, 0);
PDF.EndDoc();
Visual Basic
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' PDF object is supposed to be created
PDF.BeginDoc
j = PDF.AddImageFromFile("picture.jpg")
PDF.MakeImageNegative j
PDF.PDFPAGE_ShowImage j, 200, 0, 122, 89, 0
PDF.EndDoc
See Also
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