OCCT3D OCCT 8.0.1
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    Open CASCADE Technology Reference Manual 8.0.1
    TopoDS_LockedShape.hxx File Reference

    Macros

    #define TopoDS_LockedShape_Raise_if(CONDITION, MESSAGE)
     An attempt was made to modify a geometry of Shape already shared or protected.

    Macro Definition Documentation

    ◆ TopoDS_LockedShape_Raise_if

    #define TopoDS_LockedShape_Raise_if ( CONDITION,
    MESSAGE )
    Value:
    if (CONDITION) \
    throw TopoDS_LockedShape(MESSAGE);

    An attempt was made to modify a geometry of Shape already shared or protected.