ConferenceSession.BeginModifyRole Method (ConversationParticipant, ConferencingRole, ModifyRoleOptions, AsyncCallback, Object)
Modifies the role of a participant in the conference.
Namespace: Microsoft.Rtc.Collaboration
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Function BeginModifyRole ( _
participant As ConversationParticipant, _
role As ConferencingRole, _
options As ModifyRoleOptions, _
userCallback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim instance As ConferenceSession
Dim participant As ConversationParticipant
Dim role As ConferencingRole
Dim options As ModifyRoleOptions
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = instance.BeginModifyRole(participant, _
role, options, userCallback, state)
public IAsyncResult BeginModifyRole(
ConversationParticipant participant,
ConferencingRole role,
ModifyRoleOptions options,
AsyncCallback userCallback,
Object state
)
Parameters
- participant
Type: Microsoft.Rtc.Collaboration.ConversationParticipant
The participant for which the role should be changed.
- role
Type: Microsoft.Rtc.Collaboration.ConferencingRole
The desired role for the participant.
- options
Type: Microsoft.Rtc.Collaboration.ModifyRoleOptions
Options to customize the operation. Could be null.
- userCallback
Type: System.AsyncCallback
The method to be called when the asynchronous operation is completed.
- state
Type: System.Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.
Return Value
Type: System.IAsyncResult
An IAsyncResult that references the asynchronous operation.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | Thrown when the operation is not valid at the given conference session state. |
| ArgumentNullException | Thrown when the participant argument was null. |
Remarks
This operation is allowed by the server for conference leaders only.