/// <summary>
/// データ転送が無いオペレーションを実行する
/// </summary>
/// <param name="device"></param>
/// <param name="code"></param>
/// <param name="param"></param>
/// <returns></returns>
private static MtpResponse executeNoDataCommand(PortableDevice device, ushort code, uint[] param)
{
IPortableDeviceValues spResults;
int ret;
uint responseCode;
uint[] responseParam;
// MTPコマンドとパラメータを構築する
IPortableDeviceValues mtpCommand = createMtpCommand(code, WpdProperty.WPD_COMMAND_MTP_EXT_EXECUTE_COMMAND_WITHOUT_DATA_PHASE);
IPortableDevicePropVariantCollection mtpCommandParam = null;
if (param != null)
{
mtpCommandParam = createMtpCommandParameter(param);
mtpCommand.SetIPortableDevicePropVariantCollectionValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_OPERATION_PARAMS, mtpCommandParam);
}
// リクエストを送信
device.SendCommand(0, mtpCommand, out spResults);
// コマンドとパラメータは以後不要なので解放
if (mtpCommandParam != null)
{
Marshal.ReleaseComObject(mtpCommandParam);
}
Marshal.ReleaseComObject(mtpCommand);
// リクエストの結果を取得する
spResults.GetErrorValue(ref WpdProperty.WPD_PROPERTY_COMMON_HRESULT, out ret);
if (ret != 0)
{ // エラーなら終了
Marshal.ReleaseComObject(spResults);
return(new MtpResponse(0, null, null));
}
// レスポンスコードを取得する
spResults.GetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_RESPONSE_CODE, out responseCode);
// レスポンスパラメータを取得する
responseParam = null;
if (responseCode == 0x2001)
{
IPortableDevicePropVariantCollection resultValues
= (IPortableDevicePropVariantCollection) new PortableDeviceTypesLib.PortableDevicePropVariantCollection();
spResults.GetIPortableDevicePropVariantCollectionValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_RESPONSE_PARAMS, out resultValues);
uint count = 1;
resultValues.GetCount(ref count);
responseParam = new uint[count];
for (uint i = 0; i < count; i++)
{
tag_inner_PROPVARIANT value = new tag_inner_PROPVARIANT();
resultValues.GetAt(i, ref value);
responseParam[i] = getUintValue(value);
}
Marshal.ReleaseComObject(resultValues);
}
Marshal.ReleaseComObject(spResults);
return(new MtpResponse((ushort)responseCode, responseParam, null));
}
public static IEnumerable <string> ToStrings(this IPortableDevicePropVariantCollection col)
{
uint count = 0;
col.GetCount(ref count);
for (uint i = 0; i < count; i++)
{
PROPVARIANT val = new PROPVARIANT();
col.GetAt(i, ref val);
yield return(PropVariant.FromValue(val));
}
}
public static IEnumerable <TEnum> ToEnum <TEnum>(this IPortableDevicePropVariantCollection col) where TEnum : struct // enum
{
uint count = 0;
col.GetCount(ref count);
for (uint i = 0; i < count; i++)
{
PROPVARIANT val = new PROPVARIANT();
col.GetAt(i, ref val);
yield return(GetEnumFromAttrGuid <TEnum>(PropVariant.FromValue(val)));
}
}
public static IEnumerable <TEnum> ToEnum <TEnum>(this IPortableDevicePropVariantCollection col) where TEnum : struct // enum
{
uint count = 0;
col.GetCount(ref count);
for (uint i = 0; i < count; i++)
{
PropVariantFacade val = new PropVariantFacade();
col.GetAt(i, ref val.Value);
yield return(GetEnumFromAttrGuid <TEnum>(val.ToGuid()));
}
}
public static IEnumerable <string> ToStrings(this IPortableDevicePropVariantCollection col)
{
uint count = 0;
col.GetCount(ref count);
for (uint i = 0; i < count; i++)
{
using (PropVariantFacade val = new PropVariantFacade())
{
col.GetAt(i, ref val.Value);
yield return(val.ToString());
}
}
}
/// <summary>
/// EndDataTransferを送信する
/// </summary>
/// <param name="device"></param>
/// <param name="context"></param>
/// <returns></returns>
private static void sendEndDataTransfer(PortableDevice device, string context, out uint responseCode, out uint[] responseParam)
{
IPortableDeviceValues mtpEndDataTransfer = (IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValues();
mtpEndDataTransfer.SetGuidValue(ref WpdProperty.WPD_PROPERTY_COMMON_COMMAND_CATEGORY, ref WpdProperty.WPD_COMMAND_MTP_EXT_END_DATA_TRANSFER.fmtid);
mtpEndDataTransfer.SetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_COMMON_COMMAND_ID, WpdProperty.WPD_COMMAND_MTP_EXT_END_DATA_TRANSFER.pid);
mtpEndDataTransfer.SetStringValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, context);
IPortableDeviceValues spResults;
device.SendCommand(0, mtpEndDataTransfer, out spResults);
Marshal.ReleaseComObject(mtpEndDataTransfer);
int ret = 1;
spResults.GetErrorValue(ref WpdProperty.WPD_PROPERTY_COMMON_HRESULT, out ret);
if (ret != 0)
{
Marshal.ReleaseComObject(spResults);
responseCode = 0;
responseParam = null;
return;
}
// レスポンスコード
spResults.GetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_RESPONSE_CODE, out responseCode);
// パラメータ
responseParam = null;
if (responseCode == 0x2001)
{
IPortableDevicePropVariantCollection resultValues
= (IPortableDevicePropVariantCollection) new PortableDeviceTypesLib.PortableDevicePropVariantCollection();
spResults.GetIPortableDevicePropVariantCollectionValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_RESPONSE_PARAMS, out resultValues);
uint count = 1;
resultValues.GetCount(ref count);
responseParam = new uint[count];
for (uint i = 0; i < count; i++)
{
tag_inner_PROPVARIANT value = new tag_inner_PROPVARIANT();
resultValues.GetAt(i, ref value);
responseParam[i] = getUintValue(value);
}
Marshal.ReleaseComObject(resultValues);
}
Marshal.ReleaseComObject(spResults);
}
public static Guid[] ToGuid(this IPortableDevicePropVariantCollection col)
{
uint count = 0;
col.GetCount(ref count);
var result = new Guid[count];
for (uint i = 0; i < count; i++)
{
PROPVARIANT val = new PROPVARIANT();
col.GetAt(i, ref val);
result[i] = PropVariant.FromValue(val);
}
return(result);
}
public static TEnum[] ToArray <TEnum>(this IPortableDevicePropVariantCollection col) where TEnum : struct // enum
{
uint count = 0;
col.GetCount(ref count);
var result = new TEnum[count];
for (uint i = 0; i < count; i++)
{
PROPVARIANT val = new PROPVARIANT();
col.GetAt(i, ref val);
result[i] = GetEnumFromAttrGuid <TEnum>(PropVariant.FromValue(val));
}
return(result);
}
public static void WriteObject(IPortableDevicePropVariantCollection collection)
{
Trace.WriteLine("###############################");
uint num = 0;
collection.GetCount(ref num);
for (uint index = 0; index < num; index++)
{
using (PropVariantFacade val = new PropVariantFacade())
{
collection.GetAt(index, ref val.Value);
Trace.WriteLine($"##### {val.ToString()}");
}
}
}