Excel Pictures
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This sample shows how to add and format images to C1Excel workbooks.

It shows how to create and use pictures of various types, setting
pictures properties (contrast, brightness, opaque, rotation etc) and
pictures borders.

The sample creates a workbook with several sheets:

"Images" shows a random collection of images.
"Types" shows images of different types.
"Borders" shows images with different border styles.
"Alignment" shows how to align and scale images within cells.
"Properties" shows the effect of additional image properties such as brightness, grayscale, etc.