CBasePin::CheckConnect
A version of this page is also available for
4/8/2010
Allows for customization when the connection is first made (intended for overriding, if required).
Syntax
virtual HRESULT CheckConnect(
IPin* pPin
);
Parameters
- pPin
Pointer to the connecting pin.
Return Value
Returns one of the following arguments by default; if overridden, should return standard HRESULT values, including the following values.
| Value | Description |
|---|---|
E_INVALIDARG |
Pin directions do not match between pins. |
NOERROR |
Connection verified successfully. |
Remarks
This member function is called during a call to the IPin::Connect method to provide a virtual method that can do any specific check required for a connection, such as calling CBasePin::NonDelegatingQueryInterface.
This base class method determines if the pin directions match.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |