Workbook.SaveDocumentAsync(Stream, DocumentFormat) Method
Asynchronously saves the document to a stream in the specified document format.
You need a license to the DevExpress Office File API or DevExpress Universal Subscription to use this method in production code.
Namespace: DevExpress.Spreadsheet
Assembly: DevExpress.Docs.v19.2.dll
Declaration
Parameters
Name | Type | Description |
---|---|---|
stream | Stream | Specifies the output stream. |
format | DocumentFormat | A DocumentFormat enumeration value that specifies the document’s format. |
Returns
Type | Description |
---|---|
Task | An asynchronous export operation. |
Remarks
Take into account the following when you save a document to a stream:
Do not save a workbook to a stream that does not support seek operations. An exception is thrown in this case. Use the System.IO.Stream.CanSeek property to determine if the steam supports seeking.
Do not save a workbook to the same stream from which it was loaded. In this case, document bytes are written to the end of the existing stream and an invalid document is produced.
Important
Take into account the following when you call this method:
The events fired by this method’s call may occur in a different thread than the target operation.
The operation is not thread safe (documents should not be accessed simultaneously by different threads). Wait until the operation is completed before working with the document, i.e., use the
await
operator.