How to pass a PNG image to the report using LoadFromStream

Hi, I need to pass a PNG image to the frxR_DTE33 report but it is failing with the following error message: "Invalid file format". This is the code:

TMemoryStream *msPNGPicture = new TMemoryStream;

PngImgFl->SaveToStream(msPNGPicture); // msPNGPicture is a TPngImage*

msPNGPicture->Position = 0;

TfrxPictureView *Pic = dynamic_cast <TfrxPictureView *> (frxR_DTE33->FindObject("Picture_TimbreSII"));

Pic->LoadFromStream(msPNGPicture); // Here is failing

What I'm doing wrong? How could I solve this issue?

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