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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| user32.lib
| Header File
| winuser.h
| Unicode
| WinNT
| Platform Notes
| None
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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
| );
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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.
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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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