| Microsoft DirectX 8.1 (C++) | 
The UnblockOutputPin method unblocks the pin. When the pin is unblocked, it can deliver samples, change its output format, and reconnect itself.
Syntax
HRESULT UnblockOutputPin(void);
Return Value
Returns one of the HRESULT values shown in the following table.
| Value | Description | 
| S_FALSE | Pin was already unblocked. | 
| S_OK | Success. | 
See Also