VoipCallInProgressAgent Class
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
A background agent that runs while at least one VoIP call is active.
System::Object
Microsoft.Phone::BackgroundAgent
Microsoft.Phone.Networking.Voip::VoipCallInProgressAgent
Microsoft.Phone::BackgroundAgent
Microsoft.Phone.Networking.Voip::VoipCallInProgressAgent
Assembly: Microsoft.Phone (in Microsoft.Phone.dll)
The VoipCallInProgressAgent type exposes the following members.
| Name | Description | |
|---|---|---|
 | VoipCallInProgressAgent | Initializes a new instance of the VoipCallInProgressAgent class. |
| Name | Description | |
|---|---|---|
 | LaunchReason | Gets a value that indicates why the VoipCallInProgressAgent was invoked. |
| Name | Description | |
|---|---|---|
| Abort | Informs the operating system that the agent is unable to perform its intended task and that it should not be launched again until the foreground application mitigates the blocking issue and reenables the agent. (Inherited from BackgroundAgent.) |
 | Equals(Object) | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| NotifyComplete | Informs the operating system that the agent has completed its intended task for the current invocation of the agent. (Inherited from BackgroundAgent.) |
| NotifyCompleteWithResult | Informs the operating system that the agent has completed its intended task for the current invocation of the agent. Call this method after successfully handling an invocation with a result. (Inherited from BackgroundAgent.) |
| OnCancel | Called by the operating system to alert a background agent that it is going to be put into a dormant state or terminated. (Inherited from BackgroundAgent.) |
| OnFirstCallStarting | Called when the app’s first VoIP call becomes active. |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
This agent is launched when the app’s first call becomes active. The agent is terminated when the app has no active calls.
Capabilities
If you use this API in your app, you must specify the following capabilities in the app manifest. Otherwise, your app might not work correctly or it might exit unexpectedly.
ID_CAP_VOIP | Windows Phone 8 |
For more info, see App capabilities and hardware requirements for Windows Phone 8.
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