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An icon is a picture that consists of a bitmap image combined with a mask to create transparent areas in the picture. The term icon can refer to either of the following:
- A single icon image. This is a resource of type RT_ICON.
- A group of images, from which the system or an application can choose the most appropriate icon based on size and color depth. This is a resource of type RT_GROUP_ICON.
In This Section
| Name | Description |
|---|---|
| About Icons | Discusses icons. |
| Using Icons | Discusses how to perform tasks related to icons. |
| Icon Reference | Contains the API reference. |
Icon Functions
| Name | Description |
|---|---|
| CopyIcon | Copies the specified icon from another module to the current module. |
| CreateIcon | Creates an icon that has the specified size, colors, and bit patterns. |
| CreateIconFromResource | Creates an icon or cursor from resource bits describing the icon. |
| CreateIconFromResourceEx | Creates an icon or cursor from resource bits describing the icon. |
| CreateIconIndirect | Creates an icon or cursor from an ICONINFO structure. |
| DestroyIcon | Destroys an icon and frees any memory the icon occupied. |
| DrawIcon | Draws an icon or cursor into the specified device context. |
| DrawIconEx | Draws an icon or cursor into the specified device context, performing the specified raster operations, and stretching or compressing the icon or cursor as specified. |
| DuplicateIcon | Creates a duplicate of a specified icon. |
| ExtractAssociatedIcon | Retrieves a handle to an indexed icon found in a file or an icon found in an associated executable file. |
| ExtractIcon | Retrieves a handle to an icon from the specified executable file,DLL, or icon file. |
| ExtractIconEx | Creates an array of handles to large or small icons extracted from the specified executable file, DLL, or icon file. |
| GetIconInfo | Retrieves information about the specified icon or cursor. |
| GetIconInfoEx | Retrieves information about the specified icon or cursor. GetIconInfoEx extends GetIconInfo by using the newer ICONINFOEX structure. |
| LoadIcon | Loads the specified icon resource from the executable (.exe) file associated with an application instance. |
| LookupIconIdFromDirectory | Searches through icon or cursor data for the icon or cursor that best fits the current display device. |
| LookupIconIdFromDirectoryEx | Searches through icon or cursor data for the icon or cursor that best fits the current display device. |
| PrivateExtractIcons | Creates an array of handles to icons that are extracted from a specified file. |
Icon Structures
| Name | Description |
|---|---|
| ICONINFO | Contains information about an icon or a cursor. |
| ICONINFOEX | Contains information about an icon or a cursor. Extends ICONINFO. Used by GetIconInfoEx. |
| ICONMETRICS | Contains the scalable metrics associated with icons. This structure is used with the SystemParametersInfo function when the SPI_GETICONMETRICS or SPI_SETICONMETRICS action is specified. |