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API > API/Plugins > API/Plugins/ModelingComponents > API/Plugins/ModelingComponents/Selection > API/Plugins/ModelingComponents/Selection/UMeshTopologySelectionMechanic
References
| Module | ModelingComponents |
| Header | /Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Selection/MeshTopologySelectionMechanic.h |
| Include | #include "Selection/MeshTopologySelectionMechanic.h" |
bool IsCurrentlyMarqueeDragging&40;&41;
Remarks
When true, the selection mechanic is currently tracking a marquee rectangle drag, and acting on the selection may be unwise until it is over (and an OnSelectionChanged event is fired).