HasXPath Method
Checks whether a certain XPath exists inside the aggregate.
Syntax
bool HasXPath(const QString& qsXPath);
Remarks
Used when there is no assurance that a certain XPath exists inside an aggregate.
Error Handling
This method returns a Boolean value; after it returns, call the GetLastErrorCode() method to obtain its result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message.