NAME
cgGetFirstStructParameter - get the first child parameter from a struct parameter
SYNOPSIS
#include <Cg/cg.h> CGparameter cgGetFirstStructParameter( CGparameter param );PARAMETERS
- param
Specifies the struct parameter. This parameter must be of type CG_STRUCT (returned by cgGetParameterType).
RETURN VALUES
Returns a handle to the first member parameter.
Returns NULL if param is not a struct or if some other error occurs.
DESCRIPTION
cgGetFirstStructParameter returns the first member parameter of a struct parameter. The rest of the members may be retrieved from the first member by iterating with cgGetNextParameter.
EXAMPLES
to-be-written
ERRORS
CG_INVALID_PARAM_HANDLE_ERROR is generated if param is not a valid parameter.
CG_INVALID_PARAMETER_TYPE_ERROR is generated if param is not a struct parameter.
HISTORY
cgGetFirstStructParameter was introduced in Cg 1.1.
SEE ALSO