LoadIcon

The LoadIcon function loads the specified icon resource from the executable (.EXE) file associated with an application instance.

HICON LoadIcon(

HINSTANCE hInstance,	// handle of application instance
LPCTSTR lpIconName	// icon-name string or icon resource identifier
);

Parameters

hInstance

Identifies an instance of the module whose executable file contains the icon to be loaded. This parameter must be NULL when a standard icon is being loaded.

lpIconName

Points to a null-terminated string that contains the name of the icon resource to be loaded. Alternatively, this parameter can contain the resource identifier in the low-order word and zero in the high-order word. Use the MAKEINTRESOURCE macro to create this value.

To use one of the Windows predefined icons, set the hInstance parameter to NULL and the lpIconName parameter to one of the following values:

Value	Description
IDI_APPLICATION	Default application icon.
IDI_ASTERISK	Asterisk (used in informative messages).
IDI_EXCLAMATION	Exclamation point (used in warning messages).
IDI_HAND	Hand-shaped icon (used in serious warning messages).
IDI_QUESTION	Question mark (used in prompting messages).
IDI_WINLOGO	Windows logo.

Return Values

If the function succeeds, the return value is the handle of the newly loaded icon.

If the function fails, the return value is NULL. To get extended error information, call GetLastError.

Remarks

LoadIcon loads the icon resource only if it has not been loaded; otherwise, it retrieves a handle to the existing resource. The function searches the icon resource for the icon most appropriate for the current display. The icon resource can be a color or monochrome bitmap.

LoadIcon can only load an icon whose size conforms to the SM_CXICON and SM_CYICON system metric values. Use the LoadImage function to load icons of other sizes.

See Also

CreateIcon, LoadImage, MAKEINTRESOURCE

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