notes:uwp:appdata
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notes:uwp:appdata [2018/04/19] leszek [Reading from Files] |
notes:uwp:appdata [2018/04/19] (current) leszek [Reading from Files] |
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| </code> | </code> | ||
| + | <code csharp> | ||
| + | using Windows.Storage; | ||
| + | using Windows.Storage.Streams; // for DataReader | ||
| + | ... | ||
| + | // Open the file for reading. | ||
| + | // StorageFile.OpenReadAsync returns IAsyncOperation<IRandomAccessStreamWithContentType>. | ||
| + | using (IRandomAccessStream stream = await file.OpenReadAsync()) | ||
| + | { | ||
| + | // Attach the stream to a DataReader for reading. | ||
| + | using (DataReader reader = new DataReader(stream)) | ||
| + | { | ||
| + | uint num = (uint)stream.Size; | ||
| + | |||
| + | // Load the number of bytes 'num' from a disk to a buffer (of type IBuffer). | ||
| + | await reader.LoadAsync(num); | ||
| + | |||
| + | // Read the bytes from the buffer as a string. | ||
| + | string str = reader.ReadString(num); | ||
| + | } | ||
| + | } | ||
| + | </code> | ||
| Read binary data from a file using a .NET class //System.IO.BinaryReader// and the extension method //AsStreamForRead//: | Read binary data from a file using a .NET class //System.IO.BinaryReader// and the extension method //AsStreamForRead//: | ||
notes/uwp/appdata.txt ยท Last modified: 2018/04/19 by leszek
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