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Unreal Engine C++ API Reference > Editor > UnrealEd > Dialogs > SReferenceTree
References
| Module | UnrealEd |
| Header | /Engine/Source/Editor/UnrealEd/Public/Dialogs/DlgReferenceTree.h |
| Include | #include "Dialogs/DlgReferenceTree.h" |
| Source | /Engine/Source/Editor/UnrealEd/Private/Dialogs/DlgReferenceTree.cpp |
void SetAllExpansionStates
&40;
bool bInExpansionState
&41;
Remarks
Sets expansions states for every item in the tree.
Parameters
| Name | Description |
|---|---|
| bInExpandItems | true if items should be expanded, false if they should be collapsed. |