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API > API/Plugins > API/Plugins/NiagaraEditor > API/Plugins/NiagaraEditor/ViewModels > API/Plugins/NiagaraEditor/ViewModels/HierarchyEditor
Inheritance Hierarchy
- TSharedFromThis
- FTickableEditorObject
- FNiagaraHierarchyItemViewModelBase
- FNiagaraHierarchyItemViewModel
- FNiagaraHierarchyUserParameterViewModel
References
| Module | NiagaraEditor |
| Header | /Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/HierarchyEditor/NiagaraUserParametersHierarchyViewModel.h |
| Include | #include "ViewModels/HierarchyEditor/NiagaraUserParametersHierarchyViewModel.h" |
Syntax
struct FNiagaraHierarchyUserParameterViewModel : public FNiagaraHierarchyItemViewModel
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
FNiagaraHierarchyUserParameterViewModel
(
UNiagaraHierarchyUserParameter* InItem, |
Overridden from FNiagaraHierarchyItemViewModelBase
| Type | Name | Description | |
|---|---|---|---|
   |
bool | We want to be able to edit in the details panel regardless of source or hierarchy item. | |
   |
bool | DoesExternalDataStillExist
(
const UNiagaraHierarchyDataRefreshContext* Context |
This function determines whether a hierarchy item that represents that external data should be maintained during data refresh Needs to be implemented if RepresentsExternalData return true. |
  |
UObject * | For editing in the details panel we want to handle the script variable that is represented by the hierarchy item, not the hierarchy item itself. | |
   |
bool | For data cleanup that represents external data, this needs to return true in order for live cleanup to work. |