Applies changes from the specified template.

Namespace:  Microsoft.Rtc.Collaboration.AudioVideo
Assembly:  Microsoft.Rtc.Collaboration(in Microsoft.Rtc.Collaboration.dll)

Syntax

Visual Basic (Declaration) 
Public 
Function 
BeginApplyChanges ( _
	
template 
As 

AudioVideoFlowTemplate, _
	
headers 
As 
IEnumerable(
Of 

SignalingHeader), _
	
userCallback 
As 
AsyncCallback, _
	
state 
As 
Object _
) 
As 
IAsyncResult
C# 
public 
IAsyncResult 
BeginApplyChanges(
	

AudioVideoFlowTemplate 
template,
	
IEnumerable<

SignalingHeader> 
headers,
	
AsyncCallback 
userCallback,
	
Object 
state
)
Visual C++ 
public:
IAsyncResult^ 
BeginApplyChanges(
	

AudioVideoFlowTemplate^ 
template, 
	
IEnumerable<

SignalingHeader^>^ 
headers, 
	
AsyncCallback^ 
userCallback, 
	
Object^ 
state
)
JavaScript 
function 
beginApplyChanges(
template, 
headers, 
userCallback, 
state);

Parameters

template
Type: Microsoft.Rtc.Collaboration.AudioVideo . . :: . AudioVideoFlowTemplate
The template to be used as a reference.
headers
Type: IEnumerable < (Of < ( SignalingHeader > ) > )
The signaling headers.
userCallback
Type: AsyncCallback
The method to be called when the asynchronous operation is completed.
state
Type: Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.

Return Value

An IAsyncResult that references the asynchronous operation.

Exceptions

Exception Condition
InvalidOperationException Thrown when the AudioVideoFlow is not in the Active state, when the template has no channels, or when there is already an asynchronous operation in progress.
ArgumentNullException Thrown when the template argument is null.

See Also