Writing Metadata
The same three approaches for reading metadata apply to writing metadata as well. The file-based ImageProperties
approach already supports reading and writing most of its properties, and that was shown in the “Decoding Images” section. The two BitmapProperties
approaches can be used with BitmapEncoder
’s BitmapProperties
property. This property is of type BitmapProperties
rather than BitmapPropertiesView
, so it enables writing properties with its SetPropertiesAsync
method as well as reading them with its GetPropertiesAsync
method.
The following code can be added to the end of the UseEncoder
method to write pieces of metadata into the red-blue gradient file:
BitmapPropertySet properties = new BitmapPropertySet ...
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