///

/// 獲取設備父系

///

///

///

private static bool TryGetDriverIdParent(string driver, out string resultDeviceID)

{

resultDeviceID = "";

try

{

int CM_LOCATE_DEVNODE_NORMAL = 0x00000000;

int CR_SUCCESS = 0x00000000;

UInt32 parentInst;

;

;

int apiResult = Win32.CM_Locate_DevNodeA(ref curInst, driver, CM_LOCATE_DEVNODE_NORMAL);

if (apiResult != CR_SUCCESS)

{

return false;

}

apiResult = Win32.CM_Get_Parent(out parentInst, (UInt32)curInst, CM_LOCATE_DEVNODE_NORMAL);

if (apiResult != CR_SUCCESS)

{

return false;

}

apiResult = Win32.CM_Get_Device_ID_Size(out pLen, parentInst, CM_LOCATE_DEVNODE_NORMAL);

if (apiResult != CR_SUCCESS)

{

return false;

}

];

//獲取設備id字符串地址

apiResult = Win32.CM_Get_Device_ID(parentInst, ptrInstanceBuf, pLen, );

if (apiResult != CR_SUCCESS)

{

return false;

}

resultDeviceID = new string(ptrInstanceBuf);

return true;

}

catch (Exception ecException)

{

LogHelper.WriteErrorLog("獲取父代" + ecException.Message, ecException);

return false;

}

}

[DllImport("setupapi.dll", SetLastError = true)]

public static extern int CM_Locate_DevNodeA(ref int pdnDevInst, string pDeviceID, int ulFlags);

[DllImport("setupapi.dll")]

public static extern int CM_Get_Parent(out UInt32 pdnDevInst, UInt32 dnDevInst, int ulFlags);

[DllImport("setupapi.dll", SetLastError = true)]

);

[DllImport("setupapi.dll", CharSet = CharSet.Unicode)]

public static extern int CM_Get_Device_ID(UInt32 dnDevInst, char[] buffer, int bufferLen, int flags);

總結

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