GdPictureImaging.PdfReaderGetPageThumbnail Method

Creates a High Quality thumbnail (returns a GdPicture image) of custom size of the current page of a PDF.

This function fits the image thumbnail within a rectangle of specified dimensions having a specified background color.

public int PdfReaderGetPageThumbnail(
    int hPdf, 
    int Width, 
    int Height, 
    Color BackColor
);

Visual Basic

Public Function PdfReaderGetPageThumbnail(
    ByVal hPdf As Integer, 
    ByVal Width As Integer, 
    ByVal Height As Integer, 
    ByVal BackColor As Color
) As Integer

Parameters

Parameters	Description
hPdf	A PDF handle returned by the PdfReaderLoadFromFile or the PdfReaderLoadFromStream function.
Width	The width of the thumbnail to create.
Height	The height of the thumbnail to create.
BackColor	Color Object. Background color of the thumbnail.
Page	The page of the document.

Returns

GdPicture Image Identifier. The Image thumbnail.

Remarks

To delete the created GdPicture image from the memory you must use the ReleaseGdPictureImage() function.

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