The IsValid method tells if the MediaQuery_t object is valid. A MediaQuery_t object is valid if it has a non-null implementation object associated with it.
Syntax
bool IsValid ( none );
Parameters
None.
Return Value
This method returns a bool indicating if the object is valid. Possible values include:
| Value | Description |
|---|---|
| TRUE | The MediaQuery_t is valid. |
| FALSE | The MediaQuery_t object is not valid. Check GetLastError() value for more information about the cause behind the failure. |
Requirements
OS Versions: Windows CE 5.0 Networked Media Device Feature Pack.
Header: MediaQueryEngine.hpp.
Link Library: MQELib.lib.
See Also
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