10 Getting Group Positions
Q3Group_GetPreviousPosition
function to get the position of the previous object in a group.
TQ3Status Q3Group_GetPreviousPosition ( TQ3GroupObject group, TQ3GroupPosition *position);group
A group.position
On entry, a pointer to a valid group position. On exit, a pointer to the position in the specified group of the object that immediately precedes the object in that position.
Q3Group_GetPreviousPosition
function returns, in the position
parameter, the position in the group specified by the group
parameter of the object that immediately precedes the object having the position specified on entry in the position
parameter. If the object specified on entry is the first object in the group, Q3Group_GetPreviousPosition
returns the value NULL
in the position
parameter.kQ3ErrorInvalidObject
kQ3ErrorInvalidPositionForGroup
kQ3ErrorNULLParameter
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