示例#1
0
        // enable/disable...
        private static void EnableDevice(SafeDeviceInfoSetHandle handle, DeviceInfoData diData, bool enable)
        {
            PropertyChangeParameters @params = new PropertyChangeParameters();

            // The size is just the size of the header, but we've flattened the structure.
            // The header comprises the first two fields, both integer.
            @params.Size       = 8;
            @params.DiFunction = DiFunction.PropertyChange;
            @params.Scope      = Scopes.Global;
            if (enable)
            {
                @params.StateChange = StateChangeAction.Enable;
            }
            else
            {
                @params.StateChange = StateChangeAction.Disable;
            }

            bool result = NativeMethods.SetupDiSetClassInstallParams(handle, ref diData, ref @params, Marshal.SizeOf(@params));

            if (result == false)
            {
                throw new Win32Exception(Marshal.GetLastWin32Error());
            }
            result = NativeMethods.SetupDiCallClassInstaller(DiFunction.PropertyChange, handle, ref diData);
            if (result == false)
            {
                int err = Marshal.GetLastWin32Error();
                if (err == (int)SetupApiError.NotDisableable)
                {
                    throw new ArgumentException("Device can't be disabled (programmatically or in Device Manager).");
                }
                else if (err <= (int)SetupApiError.NoAssociatedClass && err >= (int)SetupApiError.OnlyValidateViaAuthenticode)
                {
                    throw new Win32Exception("SetupAPI error: " + ((SetupApiError)err).ToString());
                }
                else
                {
                    throw new Win32Exception(err);
                }
            }
        }
示例#2
0
 public static extern bool SetupDiSetClassInstallParams(
     SafeDeviceInfoSetHandle deviceInfoSet,
     [In()] ref DeviceInfoData deviceInfoData,
     [In()] ref PropertyChangeParameters classInstallParams,
     int classInstallParamsSize);