Class: TGraphicsInternalException

Declaration: GraphicsExceptions.h

Taxonomy Categories:

Member Functions:

Interface Category:

API.

Inherits From:

TGraphicsException

Inherited By:

None.

Purpose:

This is an abstract base class to provide a set of data types and functions for handling exceptions that are internal to the Graphics system.

Instantiation:

Allocate on the heap or the stack.

Deriving Classes:

Classes can be derived from this class whenever user-defined exception types are needed.

Concurrency:

Not multithread safe.

Resource Use:

No special requirements.

Other Considerations:

None.

Member Function: TGraphicsInternalException::TGraphicsInternalException

TGraphicsInternalException ()
TGraphicsInternalException (EReason whatHappened)
TGraphicsInternalException (const TGraphicsInternalException & copy)

Interface Category:

API.

Purpose:

Default constructor.
Constructs a new internal graphic exception object using a given error code.
Copy constructor.

Calling Context:

Called by the stream-in operators and directly.
Called to specify an error code.
Called to copy an object.

Parameters:

Takes no parameters.
EReason whatHappened -The error code.
const TGraphicsInternalException & copy -The object to be copied.

Return Value:

None.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TGraphicsInternalException::operator=

TGraphicsInternalException & operator =( const TGraphicsInternalException & copy)

Interface Category:

API.

Purpose:

Assignment operator.

Calling Context:

Called when an object is assigned to another compatible object.

Parameters:

const TGraphicsInternalException & copy -The object whose value is to be assigned.

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.

Member Function: TGraphicsInternalException::~TGraphicsInternalException

virtual ~ TGraphicsInternalException ()

Interface Category:

API.

Purpose:

Destructor.

Calling Context:

Called to destroy an object.

Parameters:

Takes no parameters.

Return Value:

None.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TGraphicsInternalException::GetReason

EReason GetReason () const

Interface Category:

API.

Purpose:

Determines what reason was used when this exception object was created.

Calling Context:

Call this function directly.

Parameters:

Takes no parameters.

Return Value:

Returns the error code for this exception object.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TGraphicsInternalException::Throw

virtual void Throw () const

Interface Category:

API.

Purpose:

Causes this object to throw an exception.

Calling Context:

Call this function directly.

Parameters:

Takes no parameters.

Return Value:

None.

Exceptions:

Throws an exception of the type that is defined by this object.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Click the icon to mail questions or corrections about this material to Taligent personnel.