This begins an asynchronous operation to send a command to the server application.
Parameters
- command
- The command to be sent to the server application.
- callback
- The delegate to invoke when this operation completes.
- state
- An application defined data object to associate with this operation.
Return Value
An IAsyncResult
object for this operation.
Exceptions
Exception Type | Condition |
---|---|
ArgumentException | This is thown when command exceeds 255 characters. |
ArgumentNullException | This is thrown when command is a null reference. |
InvalidOperationException | This is thrown when the client is not connected. |
DdeException | This is thrown when the asynchronous operation could not begin. |
See Also
DdeClient Class | NDde.Client Namespace