有没有一种方法可以使用.NET触发硬件刷新(又称设备管理器)?
我不介意这是否只在最新版本的Windows中才可能实现,但我想知道是否有一种方法可以使用.NET触发此操作:有没有一种方法可以使用.NET触发硬件刷新(又称设备管理器)?,.net,api,hardware,device-manager,.net,Api,Hardware,Device Manager,我不介意这是否只在最新版本的Windows中才可能实现,但我想知道是否有一种方法可以使用.NET触发此操作: 找到了这段代码,它可以帮助您找到正确的方向。您需要将windows api添加到项目中,并模拟以下操作: #INCLUDE "Win32Api.inc" DECLARE FUNCTION fCM_Locate_DevNode (BYREF dvInst AS LONG, BYVAL n AS LONG, BYVAL c AS LONG) AS LONG DECLARE FUNCTION
找到了这段代码,它可以帮助您找到正确的方向。您需要将windows api添加到项目中,并模拟以下操作:
#INCLUDE "Win32Api.inc"
DECLARE FUNCTION fCM_Locate_DevNode (BYREF dvInst AS LONG, BYVAL n AS LONG, BYVAL c AS LONG) AS LONG
DECLARE FUNCTION fCM_Reenumerate_DevNode (BYVAL dvInst AS LONG, BYVAL n AS LONG) AS LONG
FUNCTION Scan_for_hardware_changes () AS LONG
%CR_SUCCESS = 0
%CM_LOCATE_DEVNODE_NORMAL = 0
LOCAL hLib AS LONG, pCM_DevNode AS DWORD, fSTATUS AS LONG, dvInst AS LONG
hLib = LoadLibrary( "cfgmgr32.dll" )
IF hLib THEN
pCM_DevNode = GetProcAddress( hLib, "CM_Locate_DevNodeA" )
IF pCM_DevNode THEN
CALL DWORD pCM_DevNode USING fCM_Locate_DevNode(dvInst, 0, %CM_LOCATE_DEVNODE_NORMAL ) TO fSTATUS
IF fSTATUS=%CR_SUCCESS THEN
pCM_DevNode = GetProcAddress( hLib, "CM_Reenumerate_DevNode" )
IF pCM_DevNode THEN
CALL DWORD pCM_DevNode USING fCM_Reenumerate_DevNode(dvInst, 0 ) TO fSTATUS
IF fSTATUS=%CR_SUCCESS THEN FUNCTION=%TRUE
END IF
END IF
END IF
FreeLibrary hLib
END IF
END FUNCTION
FUNCTION PBMAIN
IF Scan_for_hardware_changes() THEN MSGBOX "OK!" ELSE MSGBOX "Sorry!"
END FUNCTION
您将发现,在了解如何在.net代码中定义Win API函数时,它非常有用。