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virtual bool | AddDownloadHint (long offset, uint size) |
| A callback function used to add offset and size to specify a data section, which should be downloaded by application then. More...
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virtual bool | IsDataAvail (long offset, uint size) |
| A callback function used to check whether the specified data section is available or not. More...
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virtual long | GetSize () |
| Get total size of the file. More...
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virtual bool | ReadBlock (global::System.IntPtr buffer, long offset, uint size) |
| Read a data block from the file. More...
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virtual void | Release () |
| Called when to release everything. More...
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This class represents a callback object to do file reading asynchronously. This class is derived from class FileReaderCallback . All the pure virtual functions in this class and its base class are used as callback functions and should be implemented by user, in order to asynchronously read file data (especially used for loading document), in a customized way.
- See Also
- FileReaderCallback