ITFormatControl interface
[ This interface is not available for use in Windows Vista, Windows Server 2008, and subsequent versions of the operating system. The RTC Client API provides similar functionality.]
The ITFormatControl interface exposes methods that allow an application to retrieve information concerning the format of a receive or transmit stream for a call.
This interface is implemented by the H323 MSP and is exposed only when a call uses this service provider.
Members
The ITFormatControl interface inherits from the IUnknown interface. ITFormatControl also has these types of members:
Methods
The ITFormatControl interface has these methods.
| Method | Description |
|---|---|
| GetCurrentFormat | Gets the media format of the current stream. |
| GetNumberOfCapabilities | Gets the number of capabilities associated with the current format. |
| GetStreamCaps | Gets the capabilities associated with a given format index. |
| ReleaseFormat | Releases the structure associated with the format. |
| ReOrderCapabilities | Sets a new order for format capabilities. |
Requirements
| Requirement | Value |
|---|---|
| TAPI version |
Requires TAPI 3.1 |
| Header |
|
| Library |
|
| DLL |
|