win8 \u672c\u306e\u57f7\u7b46\u304c\u3066\u3089\u3001\u5b9f\u9a13\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30e1\u30e2\u66f8\u304d<\/p>\n
\u53e4\u304d\u826f\u304d\u6642\u4ee3\u304b\u3089\u4f7f\u308f\u308c\u305f C \u8a00\u8a9e\u306e open\/close \u306e\u601d\u8003\u306f\u3001Windows \u30b9\u30c8\u30a2 \u30a2\u30d7\u30ea\u306e StorageFile \u306b\u9069\u7528\u3055\u308c\u308b\u306e\u304b\u306a\uff1f\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u51fa\u3059\u304c\u3001\u300c\u9055\u3044\u307e\u3059\u300d\u3068\u3044\u3046\u8a71\u3092\u5c11\u3057\u3002<\/p>\n
\u25a0\u306a\u3093\u3067\u9055\u3046\u306e\u304b\uff1f<\/p>\n
\u7aef\u7684\u306b\u8a00\u3046\u3068\u3001StorageFile \u30af\u30e9\u30b9\u306b\u306f Close \u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3048\u3048\u3001C \u8a00\u8a9e\u306e\u5834\u5408\u306f open\/close \u304c\u30ef\u30f3\u30bb\u30c3\u30c8\u306b\u306a\u3063\u3066\u3044\u308b\u3057\u3001C# \u306e\u5834\u5408\u306f\u3001StreamWriter\/StreamReader \u3067\u3082 Close \u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3088\u3001\u3068\u3044\u3046\u306e\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001Windows \u30b9\u30c8\u30a2 \u30a2\u30d7\u30ea\u306e StorageFile \u30af\u30e9\u30b9\u306b\u306f\u3042\u308a\u307e\u305b\u3093\u3002Stream \u30af\u30e9\u30b9\u306b\u3082 Close \u304c\u306a\u3044\u3057\u3001StreamWriter \u30af\u30e9\u30b9\u306b\u3082 Close \u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u306a\u3093\u3058\u3083\u3001Flush \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u304b\u3089\u3001\u305d\u308c\u3067\u3044\u3044\u3058\u3083\u3093\u3001\u3068\u3082\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001Flush \u306f\u5358\u306b\u30d0\u30c3\u30d5\u30a1\u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u3092\u3059\u308b\u3060\u3051\uff08\u30c7\u30a3\u30b9\u30af\u306b\u66f8\u304d\u8fbc\u307f\u3059\u308b\uff09\u3060\u3051\u3067\u3001\u30af\u30ed\u30fc\u30ba\u3068\u306f\u9055\u3044\u307e\u3059\u3002\u3053\u306e\u3042\u305f\u308a\u306e\u843d\u3068\u3057\u7a74\u306f\u307e\u305f\u5f8c\u65e5\u66f8\u304d\u307e\u3059\u304c…<\/p>\n
\u25a0Close \u3057\u306a\u3044\u3068\u3069\u3046\u306a\u308b\u306e\u304b\uff1f<\/p>\n
Close \u30e1\u30bd\u30c3\u30c9\u304c\u306a\u3044 StorageFile \u30af\u30e9\u30b9\u3067\u3059\u304b\u3089\u3001\u305d\u3082\u305d\u3082\u30af\u30ed\u30fc\u30ba\u3092\u547c\u3073\u51fa\u305b\u307e\u305b\u3093\u3002
\n\u306a\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u9589\u3058\u3089\u308c\u306a\u3044\u306e\u3067\u306f\uff1f\u3068\u5fc3\u914d\u306b\u306a\u308b\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u3042\u305f\u308a\u306f OS \u3068 StorageFile \u306e\u9593\uff08\u5b9f\u969b\u306f\u3001Stream \u306e\u3068\u3053\u308d\uff1f\uff09\u3067\u3046\u307e\u304f\u8abf\u7bc0\u3092\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u25a0\u5b9f\u9a13\u30b3\u30fc\u30c9<\/p>\n
\u30c7\u30b6\u30a4\u30ca\u3067\u3001\u3053\u3093\u306a\u753b\u9762\u3092\u3064\u304f\u3063\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
\r\n<Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">\r\n <Button \r\n FontSize="24"\r\n Click="Button_Click_1"\r\n Content="\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58" HorizontalAlignment="Left" Margin="40,55,0,0" VerticalAlignment="Top" Height="99" Width="197"\/>\r\n <Button \r\n FontSize="24"\r\n Click="Button_Click_2"\r\n Content="\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8aad\u8fbc" HorizontalAlignment="Left" Margin="40,159,0,0" VerticalAlignment="Top" Height="99" Width="197"\/>\r\n <TextBox \r\n Name="text1"\r\n FontSize="24" \r\n HorizontalAlignment="Left" Margin="268,55,0,0" TextWrapping="Wrap" \r\n Text="\u3053\u3053\u306b\u30b5\u30f3\u30d7\u30eb\u306e\u6587\u66f8\u3092\u8868\u793a\u3057\u307e\u3059\u3002" \r\n VerticalAlignment="Top" Height="429" Width="611"\/>\r\n<\/Grid>\r\n<\/pre>\n\u30dc\u30bf\u30f3\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u3053\u3061\u3089<\/p>\n
\r\n\r\nprivate StorageFile _file;\r\n\/\/\/ <summary>\r\n\/\/\/ \u30d5\u30a1\u30a4\u30eb\u30d4\u30c3\u30ab\u30fc\u3067\u4fdd\u5b58\u3059\u308b\r\n\/\/\/ <\/summary>\r\n\/\/\/ <param name="sender"><\/param>\r\n\/\/\/ <param name="e"><\/param>\r\nprivate async void Button_Click_1(object sender, RoutedEventArgs e)\r\n{\r\n\t\/\/ FileSavePicker \u3092\u7528\u610f\u3059\u308b\r\n\tvar picker = new FileSavePicker();\r\n\tpicker.CommitButtonText = "\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u5148\u3092\u6307\u5b9a\u3059\u308b";\r\n\tpicker.DefaultFileExtension = ".xml";\r\n\tpicker.FileTypeChoices.Add("\u8a2d\u5b9a", new string[] { ".txt" });\r\n\tpicker.SuggestedStartLocation = PickerLocationId.Desktop;\r\n\tpicker.SuggestedFileName = "Sample.txt";\r\n\t\/\/ FileSavePicker \u3092\u51fa\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3002\r\n\tStorageFile file = await picker.PickSaveFileAsync();\r\n\tif (file == null)\r\n\t{\r\n\t\t\/\/ \u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u305f\u3068\u304d\u306f\u4f55\u3082\u3057\u306a\u3044\r\n\t\treturn;\r\n\t}\r\n\t\/\/ \u30d5\u30a1\u30a4\u30eb\u540d\u3092\u30c7\u30d0\u30c3\u30b0\u51fa\u529b\u3059\u308b\r\n\tDebug.WriteLine("\u4fdd\u5b58\u5148 {0}", file.Path);\r\n\t\/\/ \u7de8\u96c6\u4e2d\u306e\u6587\u7ae0\u3092\u4fdd\u5b58\u3059\u308b\r\n\tusing (var stream = await file.OpenStreamForWriteAsync())\r\n\t{\r\n\t\t\/\/ \u30b5\u30a4\u30ba\u30920\u306b\u3057\u3066\u304a\u304f\r\n\t\tstream.SetLength(0);\r\n\t\tusing (var writer = new StreamWriter(stream))\r\n\t\t{\r\n\t\t\twriter.Write(text1.Text);\r\n\t\t}\r\n\t}\r\n\t\/\/ \u4fdd\u5b58\u5148\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30ad\u30fc\u30d7\u3057\u3066\u304a\u304f\r\n\t_file = file;\r\n\r\n}\r\n\r\n\/\/\/ <summary>\r\n\/\/\/ \u30ad\u30fc\u30d7\u3057\u3066\u3044\u308b StorageFile \u3092\u518d\u5229\u7528\u3059\u308b\r\n\/\/\/ <\/summary>\r\n\/\/\/ <param name="sender"><\/param>\r\n\/\/\/ <param name="e"><\/param>\r\nprivate async void Button_Click_2(object sender, RoutedEventArgs e)\r\n{\r\n\t\/\/ \u4fdd\u5b58\u5148\u304c\u306a\u3044\u3068\u304d\u306f\u4f55\u3082\u3057\u306a\u3044\r\n\tif (_file == null)\r\n\t\treturn;\r\n\r\n\tStorageFile file = _file;\r\n\tusing (var stream = await file.OpenStreamForReadAsync())\r\n\t{\r\n\t\tusing (var reader = new StreamReader(stream))\r\n\t\t{\r\n\t\t\ttext1.Text = reader.ReadToEnd();\r\n\t\t}\r\n\t}\r\n}\r\n<\/pre>\n\u6587\u7ae0\u3092\u30d4\u30c3\u30ab\u30fc\u3067\u4fdd\u5b58\u3057\u3066\u304a\u3044\u3066\u3001\u518d\u3073\u8aad\u307f\u8fbc\u3080\u3060\u3051\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002\u30e1\u30e2\u5e33\u3067\u3042\u308a\u304c\u3061\u306a\u300c\u4fdd\u5b58\u300d\u30dc\u30bf\u30f3\u306e\u5834\u5408\u306f\u3001\u4fdd\u5b58\u306e\u307b\u3046\u3067 StorageFile \u3092\u518d\u5229\u7528\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u5b9f\u9a13\u306e\u305f\u3081\u306b\u3001\u8aad\u307f\u8fbc\u307f\u306e\u3068\u3053\u308d\u3067\u518d\u5229\u7528\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3069\u3046\u305b\u30af\u30ed\u30fc\u30ba\u304c\u306a\u3044\u306e\u3067 using \u3092\u4f7f\u3046\u5fc5\u8981\u3082\u306a\u3044\u306e\u3067\u3059\u304c\uff08Stream \u3092\u7834\u68c4\u3059\u308b\u305f\u3081\u306b Dispose \u304c\u5fc5\u8981\u306a\u3093\u3067\u3059\u304c\uff09\u3001\u307e\u3042\u3064\u3051\u3066\u304a\u304d\u307e\u3059\u3002Windows \u30b9\u30c8\u30a2 \u30a2\u30d7\u30ea\u306e\u5834\u5408\u3001\u30a2\u30d7\u30ea\u5358\u4f4d\u306e\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u306b\u306a\u3063\u3066\u3044\u308b\uff08\u306f\u305a\uff09\u306a\u306e\u3067\u3001\u591a\u5c11\u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\u3092\u5fd8\u308c\u3066\u3082\u554f\u984c\u306a\u3044\u304b\u3068…\u4e71\u66b4\u3067\u3059\u304c\u3002<\/p>\n
\u25a0\u5b9f\u9a13\uff11 PickSaveFileAsync \u76f4\u5f8c\u306b\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u3089\u308c\u308b<\/p>\n
if (file == null) \u3067\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3055\u305b\u308b\u3068\u3069\u3046\u306a\u308b\u306e\u304b\uff1f\u3063\u3066\u306e\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002
\n\u3053\u308c\u3001\u5225\u306e\u5b9f\u9a13\u306e\u3068\u304d\u306b\u6c17\u3065\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u3069\u3046\u3084\u3089 PickSaveFileAsync \u304b\u3089\u623b\u3063\u3066\u304d\u305f\u3068\u304d\u306b\u300c\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u3089\u308c\u307e\u3059\u300d\u3002
\n\u3053\u306e\u30d4\u30c3\u30ab\u30fc\u306f\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306b\u4fdd\u5b58\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306b\u300c\u3053\u306e\u6642\u70b9\u300d\u3067\u30d5\u30a1\u30a4\u30eb\u304c\u3067\u304d\u307e\u3059\u3002
\n\u3061\u306a\u307f\u306b\u3001\u5f93\u6765\u306e Windows \u30a2\u30d7\u30ea\uff08\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30d7\u30ea\uff09\u306e\u5834\u5408\u306b\u306f\u3001SaveFileDialog \u30af\u30e9\u30b9\u3092\u4f7f\u3044\u307e\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u306f\u4f5c\u3089\u308c\u307e\u305b\u3093…\u3068\u3044\u3044\u307e\u3059\u304b\u3001SaveFileDialog \u306f FileName \u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u53d6\u5f97\u3059\u308b\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u81ea\u4f53\u306f\u4f5c\u3089\u308c\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n
\u901a\u5e38\u3001Windows \u30b9\u30c8\u30a2 \u30a2\u30d7\u30ea\u306e\u5834\u5408\u3001\u30a2\u30d7\u30ea\u306e\u30ed\u30fc\u30ab\u30eb \u30d5\u30a9\u30eb\u30c0\u30fc\uff08LocalState \u30d5\u30a9\u30eb\u30c0\u30fc\uff09\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3059\u308b\u306e\u3067\u3001\u3055\u3057\u3066\u3082\u554f\u984c\u306f\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3068\u304b\u30b9\u30ab\u30a4\u30c9\u30e9\u30a4\u30d6\u3068\u304b\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u3053\u306e\u9055\u3044\u306f\u3061\u3087\u3063\u3068\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u306d\u3002<\/p>\n
\u25a0\u5b9f\u9a13\uff12 \u300c\u4fdd\u5b58\u300d\u3068\u300c\u8aad\u307f\u8fbc\u307f\u300d\u306e\u9593\u306b\u30e1\u30e2\u5e33\u3067\u3001Sample.txt \u3092\u66f8\u304d\u63db\u3048\u3066\u307f\u308b<\/p>\n
\u300c\u4fdd\u5b58\u300d\u3092\u3057\u305f\u3068\u304d\u306b StorageFile \u3092\u30ad\u30fc\u30d7\u3057\u3066\u3001\u300c\u8aad\u307f\u8fbc\u307f\u300d\u306e\u3068\u304d\u306b\u518d\u5229\u7528\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u304c…\u3068\u3044\u3046\u304b\u3001\u30a2\u30d7\u30ea\u304c\u7d9a\u3044\u3066\u3044\u308b\u9593\u306f\u3053\u3046\u3044\u3046\u518d\u5229\u7528\u304c\u3067\u304d\u307e\u3059\u3002
\n\u305f\u3060\u3057\u3001\u30a2\u30d7\u30ea\u304c\u4e2d\u65ad\u3057\u305f\u3068\u304d\u306f…\u3068\u66f8\u3053\u3046\u3068\u601d\u3063\u3066\u8a66\u3057\u3066\u307f\u308b\u3068\u3001\u4e2d\u65ad\u2192\u518d\u958b \u3092\u3057\u3066\u3082 StorageFile \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30ad\u30fc\u30d7\u3055\u308c\u3066\u3044\u307e\u3059\u306d\u3002\u3053\u308c\u306f\u5f8c\u3067\u8abf\u3079\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u3055\u3066\u3001
\n1.\u300c\u4fdd\u5b58\u300d\u30dc\u30bf\u30f3\u3067\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58
\n2.\u30e1\u30e2\u5e33\u3067\u3001sample.txt \u3092\u958b\u3044\u3066\u5185\u5bb9\u3092\u66f8\u304d\u63db\u3048\u308b\u3002
\n3.\u300c\u8aad\u307f\u8fbc\u307f\u300d\u30dc\u30bf\u30f3\u3067\u30c6\u30ad\u30b9\u30c8\u3092\u8aad\u307f\u8fbc\u3080<\/p>\n
\u3063\u3066\u624b\u9806\u3092\u3084\u308b\u3068\u3001\u9014\u4e2d\u306e2\u3067\u7de8\u96c6\u3057\u305f\u7d50\u679c\u304c\u8aad\u307f\u8fbc\u3081\u307e\u3059\u3002<\/p>\n
\u306a\u3093\u3068\u306a\u304f\u81ea\u7136\u306a\u611f\u3058\u304c\u3057\u307e\u3059\u304c\uff08\u305d\u308c\u306f\u305d\u308c\u3067\u300c\u81ea\u7136\u306a\u611f\u3058\u304c\u3059\u308b\u300d\u306e\u306f\u91cd\u8981\u306a\u306e\u3067\u3059\uff09\u3001\u3088\u304f\u8003\u3048\u308b\u3068\u3061\u3087\u3063\u3068\u4e0d\u601d\u8b70\u3067\u3059\u3002StorageFile \u30af\u30e9\u30b9\u3063\u3066\u3001\u306a\u306b\u3092\u30ad\u30fc\u30d7\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u3001\u305d\u3046\u306a\u308b\u3068\u30d5\u30a1\u30a4\u30eb\u540d\u3060\u3051\u3067\u3082\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u308b\u306e\u3067\u306f\uff1f\u3063\u3066\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n
\u25a0StorageFile \u30af\u30e9\u30b9\u306b\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u306a\u3044<\/p>\n
\u5b9f\u306f StorageFile \u30af\u30e9\u30b9\u306b\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
StorageFile class (Windows)
\nhttp:\/\/msdn.microsoft.com\/en-us\/library\/windows\/apps\/windows.storage.storagefile(v=win.10).aspx
\n<\/a>
\n\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u306a\u3093\u3089\u304b\u306e\u5f62\u3067\u3069\u3053\u304b\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u4f5c\u6210\u3057\u3066\u3082\u3089\u3046\u308f\u3051\u3051\u3067\u3001\u306a\u3093\u3089\u304b\u306e\u300c\u5236\u9650\u300d\u304c\u304b\u3051\u3089\u308c\u3066\u3044\u308b\u8a33\u3067\u3059\u3002\u306a\u3093\u3089\u304b\u306e\u300c\u5236\u9650\u300d\u3063\u3066\u306e\u306f\u3001Windows \u30b9\u30c8\u30a2 \u30a2\u30d7\u30ea\u304c\u958b\u3051\u308b\u30d5\u30a1\u30a4\u30eb\u3092 OS \u5074\uff08\u3042\u308b\u3044\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u5074\uff09\u304c\u5236\u9650\u3057\u3066\u3044\u308b\u3063\u3066\u3053\u3068\u3067\u3059\u3002\u5f93\u6765\u306e SaveFileDialog \u30af\u30e9\u30b9\u306e\u3088\u3046\u306b\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u53d7\u3051\u6e21\u3057\u3057\u3066\u304b\u3089\u3001StreamWriter \u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u3069\u3093\u306a\u30d5\u30a1\u30a4\u30eb\u3067\u3082\u958b\u3051\u308b\u306e\u3067\u3059\u304c\u3001Windows \u30b9\u30c8\u30a2 \u30a2\u30d7\u30ea\u3067\u306f\u3001StreamWriter \u306b\u6e21\u3059\u30d5\u30a1\u30a4\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f StorageFile \u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002
\n\u306a\u308b\u307b\u3069\u3001\u305d\u3046\u3044\u3046\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306a\u306e\u306d\u3001\u3068\u3044\u3046\u5177\u5408\u3067\u3059\u3002<\/p>\n\u25a0StreamWriter \u3084 TextWriter \u306b Close \u304c\u306a\u3044\u7406\u7531<\/p>\n
\u3053\u3053\u306f\u60f3\u50cf\u3067\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u3057\u3066\u306f\u975e\u540c\u671f\u30a2\u30af\u30bb\u30b9\u3092\u3059\u308b\u306e\u3067\uff08\u66f8\u304d\u51fa\u3057\u3001\u8aad\u307f\u51fa\u3057\u81ea\u4f53\u306f\u3001\u540c\u671f\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u30aa\u30fc\u30d7\u30f3\u81ea\u4f53\u304c\u975e\u540c\u671f\u306a\u306e\u3067\uff09\u3001\u30af\u30ed\u30fc\u30ba\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u53d6\u308b\u306e\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u5074\u3067\u306f\u96e3\u3057\u3044\u3001\u3063\u3066\u3053\u3068\u306a\u306e\u304b\u306a\u3068\u3002
\n\u305f\u3060\u3057\u3001\u3053\u3053\u306b\u843d\u3068\u3057\u7a74\u304c\u3042\u3063\u3066\u3001C \u8a00\u8a9e\u30bf\u30a4\u30d7\u306e open\/close \u3092\u60f3\u5b9a\u3057\u3066\u3044\u308b\u3068\u3001\u65e2\u5b58\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30aa\u30fc\u30d7\u30f3\u3057\u3066\u66f8\u304d\u51fa\u3057\u305f\u3068\u304d\u306b\u4e0d\u90fd\u5408\u304c\u751f\u3058\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u3044\u3084\u3001\u5b9f\u969b\u306f\u4e0d\u90fd\u5408\u3067\u306f\u306a\u3044\u306e\u3067\u3059\u304c\u3001OpenStreamForWriteAsync \u30e1\u30bd\u30c3\u30c9\u306e\u4ed5\u69d8\u3068\u3044\u3046\u3068\u3053\u308d\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
\r\n\t\/\/ \u7de8\u96c6\u4e2d\u306e\u6587\u7ae0\u3092\u4fdd\u5b58\u3059\u308b\r\n\tusing (var stream = await file.OpenStreamForWriteAsync())\r\n\t{\r\n\t\t\/\/ \u30b5\u30a4\u30ba\u30920\u306b\u3057\u3066\u304a\u304f\r\n\t\tstream.SetLength(0);\r\n\t\tusing (var writer = new StreamWriter(stream))\r\n\t\t{\r\n\t\t\twriter.Write(text1.Text);\r\n\t\t}\r\n\t}\r\n<\/pre>\n\u306a\u3068\u3053\u308d\u3067\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u30b5\u30a4\u30ba\u3092 0 \u306b\u8a2d\u5b9a\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u51fa\u3057\u304c\u6b63\u5e38\u306b\u884c\u308f\u308c\u307e\u305b\u3093…\u3068\u3044\u3046\u304b\u3001\u601d\u3063\u305f\u3088\u3046\u306b\u66f8\u304d\u51fa\u305b\u307e\u305b\u3093\u3002\u8a66\u3057\u306b stream.SetLength(0) \u306e\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u3001\u300c\u6587\u7ae0\u306e\u9577\u3055\u304c\u7e2e\u307e\u308b\u3088\u3046\u306b\u300d\u3057\u3066\u304b\u3089\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\n\u4fdd\u5b58\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u3068\u3001\u5f8c\u308d\u306b\u300c\u3054\u307f\u300d\u304c\u6b8b\u3063\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002
\n\u5b9f\u306f\u3001OpenStreamForWriteAsync \u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u30e2\u30fc\u30c9\u3067\u30aa\u30fc\u30d7\u30f3\u3057\u3066\u3044\u308b\uff08\u305f\u3076\u3093\uff09\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u65b0\u898f\u4f5c\u6210\u3067\u306f\u306a\u304f\u3066\u3001\u4e0a\u66f8\u304d\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3089\u306a\u306e\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u3042\u305f\u308a\u9577\u304f\u306a\u308b\u306e\u3067\u3001\u6b21\u306e\u8a18\u4e8b\u306b\u7d9a\u304d\u307e\u3059\u3002<\/p>\n
…\u3068\u3001\u3053\u3053\u307e\u3067\u66f8\u3044\u3066\u3001\u3044\u3084\u3044\u3084\u300cCreationCollisionOption\u300d\u3092\u4ed8\u3051\u308c\u3070\u3088\u3044\u306e\u3067\u306f\uff1f\u3068\u6c17\u304c\u4ed8\u3044\u305f\u3002\u5f8c\u3067\u4fee\u6b63\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
win8 \u672c\u306e\u57f7\u7b46\u304c\u3066\u3089\u3001\u5b9f\u9a13\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30e1\u30e2\u66f8\u304d \u53e4\u304d\u826f\u304d\u6642\u4ee3\u304b\u3089\u4f7f\u308f\u308c\u305f C \u8a00\u8a9e\u306e open\/close \u306e\u601d\u8003\u306f\u3001Windows \u30b9\u30c8\u30a2 \u30a2\u30d7\u30ea\u306e StorageFile \u306b\u9069\u7528\u3055\u308c\u308b\u306e\u304b\u306a\uff1f\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u51fa\u3059\u304c … \u7d9a\u304d\u3092\u8aad\u3080