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ICO Format Overview

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This topic provides information about the native ICO codec available through Windows Imaging Component (WIC).

Codec Identity

The following table provides codec identification information.

Component Description
Formal Name(s) Icon Format (ICO)
File Name Extension(s) ico
MIME type image/ico
Specification Support

 

The following table lists the GUIDs used to identify the native ICO codec components.

Component Friendly Name GUID
Container Format GUID_ContainerFormatIco a3a860c4-338f-4c17-919afba4b5628f21
Decoder CLSID_WICIcoDecoder c61bfcdf-2e0f-4aad-a8d7e06bafebcdfe
Encoder NOT AVAILABLE NOT AVAILABLE

 

Encoding

WIC does not provide a native ICO image encoder.

Decoding

The WIC decoding API are designed to be codec-independent and image decoding for WIC-enabled codecs is essentially the same. For more information about image decoding, see the Decoding Overview. For more information about using decoded image data, see the Bitmap Sources Overview.