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API > API/Editor > API/Editor/UnrealEd > API/Editor/UnrealEd/FEditorViewportClient
References
| Module | UnrealEd |
| Header | /Engine/Source/Editor/UnrealEd/Public/EditorViewportClient.h |
| Include | #include "EditorViewportClient.h" |
bool IsTracking&40;&41; const
true if a mouse button is down and it's movement being tracked for operations inside the viewport