Windows Driver Kit: Device Installation
CM_Is_Version_Available_Ex
The CM_Is_Version_Available_Ex function indicates whether a specified version of the Plug and Play (PNP) Configuration Manager DLL (Cfgmgr32.dll) is supported by a local or a remote machine.
CMAPI
BOOL
WINAPI
CM_Is_Version_Available_Ex(
IN WORD wVersion,
IN HMACHINE hMachine
);
Parameters
- wVersion
- Identifies a version of the configuration manager. The supported version of the configuration manager corresponds directly to the operating system version. The major version is specified by the high-order byte and the minor version is specified by the low-order byte. For example, 0x0400 specifies version 4.0, which is supported by default by Microsoft Windows NT 4.0 and later versions of Windows. Version 0x0501 specifies version 5.1, which is supported by Windows XP and later versions of Windows.
- hMachine
- Supplies a machine handle that is returned by CM_Connect_Machine.
Return Value
The function returns TRUE if the function can connect to the specified machine and if the machine supports the specified version. Otherwise, the function returns FALSE.
Comments
Use this function to determine whether a specified version of the configuration manager is supported by a local or a remote machine. If the specified version is supported, all versions earlier and including this version are supported by the machine. You can also use CM_Is_Version_Available to determine if the local machine supports a specific version of the configuration manager.
Requirements
Versions: The CM_Is_Version_Available_Ex function is available in Windows XP and later versions of Windows.
Headers: Declared in Cfgmgr32.h. Include Cfgmgr32.h.
Library: Contained in Cfgmgr32.lib. Link to Cfgmgr32.lib.
See Also
CM_Connect_Machine, CM_Get_Version, CM_Get_Version_Ex, CM_Is_Version_Available