AsyncReadConstants
Bit flags for the AsyncReadOptions argument of UserControl.AsyncRead, controlling caching, synchronisation, and offline behaviour for an asynchronous download.
| Constant | Value | Description |
|---|---|---|
| vbAsyncReadSynchronousDownload | 1 | The call does not return until the download has finished. |
| vbAsyncReadOfflineOperation | 8 | The runtime should not contact the network if the resource is not already cached. |
| vbAsyncReadForceUpdate | &H10 | The cached copy is bypassed and the resource is fetched fresh. |
| vbAsyncReadResynchronize | &H200 | The cached copy is used only after revalidating it against the server. |
| vbAsyncReadGetFromCacheIfNetFail | &H80000 | If the network request fails, fall back to the cached copy if any. |