private CM_Get_Device_ID ( int dnDevInst, StringBuilder buffer, int bufferLen, int ulFlags ) : int | ||
dnDevInst | int | |
buffer | StringBuilder | |
bufferLen | int | |
ulFlags | int | |
리턴 | int |
internal Native.SP_DEVINFO_DATA GetInfo(int dnDevInst) { StringBuilder sb = new StringBuilder(1024); int hr = Native.CM_Get_Device_ID(dnDevInst, sb, sb.Capacity, 0); if (hr != 0) { throw new Win32Exception(hr); } Native.SP_DEVINFO_DATA devData = new Native.SP_DEVINFO_DATA(); devData.cbSize = Marshal.SizeOf(typeof(Native.SP_DEVINFO_DATA)); if (!Native.SetupDiOpenDeviceInfo(_deviceInfoSet, sb.ToString(), IntPtr.Zero, 0, devData)) { throw new Win32Exception(Marshal.GetLastWin32Error()); } return(devData); }