![](../../Home/Icons/Home.gif)
![](../icons/UpCNM.gif)
![](../icons/CNMContext.gif)
![](../../Home/Icons/Search.gif)
Taxonomy Categories:
Member Functions:
Interface Category:
API.
Inherits From:
TRecordFieldHandle
Inherited By:
None.
Purpose:
This concrete class is a memory surrogate class for TRecordLongField class. Clients typically use this class in preference to TRecordLongField.
Instantiation:
Always allocate on the stack.
Deriving Classes:
None.
Concurrency:
Not multithread safe.
Resource Use:
No special requirements.
Other Considerations:
None.
- TRecordLongFieldHandle ()
- TRecordLongFieldHandle (const TRecordLongFieldHandle & fieldHandle)
- TRecordLongFieldHandle (const TRecordFieldHandle & fieldHandle)
Interface Category:
API.
Purpose:
- Default constructor.
- Copy constructor.
- Creates an long field handle for the given long field.
Calling Context:
- Called by the stream-in operators and any other function that needs to construct an uninitialized object.
- Called to copy an object.
- Called to instantiate a field handle.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
virtual ~ TRecordLongFieldHandle ()
Interface Category:
API.
Purpose:
Destructor.
Calling Context:
Called to destroy an object.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
TRecordLongFieldHandle & operator =(const TRecordLongFieldHandle & fieldHandle)
Interface Category:
API.
Purpose:
Assignment operator.
Calling Context:
Called when an object is assigned to another compatible object.
Parameters:
Return Value:
A non-const reference to the left-hand side object.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
- virtual long GetValue () const
- virtual const long & GetValue (long & target) const
Interface Category:
API.
Purpose:
Purpose:
- Fetches the field by reference.
- Fetches the field by value.
Calling Context:
- Call this function directly.
- Call this function directly.
Parameters:
- long & target -On return, holds the field.
- Takes no parameters.
Return Value:
A const reference to, or for the second variant, the value of, the field.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
virtual void SetValue (const long & value)
Interface Category:
API.
Purpose:
Sets the value of the field.
Calling Context:
Call this function directly.
Parameters:
- const long & value -The new value for the field.
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
virtual void Replace (const TRecordFieldHandle & field)
Interface Category:
API.
Purpose:
Replaces the field with the value of the given field.
Calling Context:
Call this function directly.
Parameters:
Return Value:
None.
Exceptions:
Throws an exception if the fields are incompatible.
Concurrency:
Not multithread safe.
Other Considerations:
None.
Click the icon to mail questions or corrections about this material to Taligent personnel.
Copyright©1995 Taligent,Inc. All rights reserved.