10 Getting Object Positions
Q3Group_GetPreviousObjectPosition
function to get the position of the previous instance of an object in a group.
TQ3Status Q3Group_GetPreviousObjectPosition ( TQ3GroupObject group, TQ3Object object, TQ3GroupPosition *position);group
A group.object
An object.position
On entry, a pointer to a valid group position. On exit, a pointer to the position in the specified group of the previous instance of the specified object.
Q3Group_GetPreviousObjectPosition
function returns, in the position
parameter, the position of the previous instance in the group specified by the group
parameter of the object specified by the object
parameter. If the position specified on entry is the first instance of that object in the group, Q3Group_GetPreviousObjectPosition
returns the value NULL
in the position
parameter.kQ3ErrorInvalidObject
kQ3ErrorInvalidPositionForGroup
kQ3ErrorNULLParameter
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