--- title: "IEventManager | Customer's Canvas On-Premises" canonical: "https://customerscanvas.com/docs/on-premises/design-atoms-js/reference/design-atoms/IEventManager/" --- # IEventManager > `void` ## Interfaces ### IEventManager #### Methods ##### addAfterReplaceItemHandlerEvent() ```ts addAfterReplaceItemHandlerEvent(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`eventArgs`) => `void` | ###### Returns ##### addBeforeReplaceItemHandlerEvent() ```ts addBeforeReplaceItemHandlerEvent(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`eventArgs`) => `void` | ###### Returns `void` ##### addBeforeSnapshotLoad() ```ts addBeforeSnapshotLoad(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`snapshot`) => `void` | ###### Returns `void` ##### addContainerCollectionChanged() ```ts addContainerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addcreateInputHandlerFinished() ```ts addcreateInputHandlerFinished(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`eventArgs`) => `void` | ###### Returns `void` ##### addCurrentItemChanged() ```ts addCurrentItemChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addDeleteToolbarButtonClick() ```ts addDeleteToolbarButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addDndFinished() ```ts addDndFinished(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### addDndStarted() ```ts addDndStarted(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### addDoubleClick() ```ts addDoubleClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addDragNDropDone() ```ts addDragNDropDone(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addDragNDropPerformed() ```ts addDragNDropPerformed(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addDragNDropStarting() ```ts addDragNDropStarting(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addEditToolbarButtonClick() ```ts addEditToolbarButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addEnteredEditMode() ```ts addEnteredEditMode(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addExitedEditMode() ```ts addExitedEditMode(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addHandleToolbarButtonClick() ```ts addHandleToolbarButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addIItemHandelrCollectionChanged() ```ts addIItemHandelrCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addImageContentChanged() ```ts addImageContentChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addImageDpiChanged() ```ts addImageDpiChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`value`) => `void` | ###### Returns `void` ##### addInteractiveContainersChanged() ```ts addInteractiveContainersChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### addInteractiveZonesChanged() ```ts addInteractiveZonesChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`e`) => `void` | ###### Returns `void` ##### addIsEditingChanged() ```ts addIsEditingChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`ph`) => `void` | ###### Returns `void` ##### addItemAdded() ```ts addItemAdded(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`args`) => `void` | ###### Returns `void` ##### addItemChanged() ```ts addItemChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addItemChanging() ```ts addItemChanging(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`sender`) => `void` | ###### Returns `void` ##### addItemCollectionChanged() ```ts addItemCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addItemHandlerHover() ```ts addItemHandlerHover(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### addItemMoved() ```ts addItemMoved(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`args`) => `void` | ###### Returns `void` ##### addItemPropertyChanged() ```ts addItemPropertyChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`sender`, `propertyName`) => `void` | ###### Returns `void` ##### addItemRemoved() ```ts addItemRemoved(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`args`) => `void` | ###### Returns `void` ##### addLayerCollectionChanged() ```ts addLayerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addMaskedContainersChanged() ```ts addMaskedContainersChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### addMouseSelectPixelFinished() ```ts addMouseSelectPixelFinished(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`eventArgs`) => `void` | ###### Returns `void` ##### addOnContextMenu() ```ts addOnContextMenu(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`value`) => `void` | ###### Returns `void` ##### addOverMockupContainerCollectionChanged() ```ts addOverMockupContainerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addPreviewMockupContainerCollectionChanged() ```ts addPreviewMockupContainerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addPrintAreaCollectionChanged() ```ts addPrintAreaCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addPrintAreaPropertyChanged() ```ts addPrintAreaPropertyChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`sender`, `propertyName`) => `void` | ###### Returns `void` ##### addProductThemeChanged() ```ts addProductThemeChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`theme`) => `void` | ###### Returns `void` ##### addReady() ```ts addReady(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addSelectButtonClick() ```ts addSelectButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addSelectedItemChanged() ```ts addSelectedItemChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`items`) => `void` | ###### Returns `void` ##### addSelectToolbarButtonClick() ```ts addSelectToolbarButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addShapePathLoaded() ```ts addShapePathLoaded(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addSnapshotLoadedEvent() ```ts addSnapshotLoadedEvent(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`snapshot`) => `void` | ###### Returns `void` ##### addSurfaceChanged() ```ts addSurfaceChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`surface`) => `void` | ###### Returns `void` ##### addSurfaceCollectionChanged() ```ts addSurfaceCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addTextWhizzReady() ```ts addTextWhizzReady(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`textWhizz`) => `void` | ###### Returns `void` ##### addUnderMockupContainerCollectionChanged() ```ts addUnderMockupContainerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### addUserEditContainerChanged() ```ts addUserEditContainerChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`container`) => `void` | ###### Returns `void` ##### addViolationWarningButtonClick() ```ts addViolationWarningButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### addWorkspaceSizeChanged() ```ts addWorkspaceSizeChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeAfterReplaceItemHandlerEvent() ```ts removeAfterReplaceItemHandlerEvent(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`eventArgs`) => `void` | ###### Returns `void` ##### removeBeforeReplaceItemHandlerEvent() ```ts removeBeforeReplaceItemHandlerEvent(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`eventArgs`) => `void` | ###### Returns `void` ##### removeBeforeSnapshotLoad() ```ts removeBeforeSnapshotLoad(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`snapshot`) => `void` | ###### Returns `void` ##### removeContainerCollectionChanged() ```ts removeContainerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removecreateInputHandlerFinished() ```ts removecreateInputHandlerFinished(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`eventArgs`) => `void` | ###### Returns `void` ##### removeCurrentItemChanged() ```ts removeCurrentItemChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeDeleteToolbarButtonClick() ```ts removeDeleteToolbarButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeDndFinished() ```ts removeDndFinished(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### removeDndStarted() ```ts removeDndStarted(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### removeDoubleClick() ```ts removeDoubleClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeDragNDropDone() ```ts removeDragNDropDone(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeDragNDropPerformed() ```ts removeDragNDropPerformed(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeDragNDropStarting() ```ts removeDragNDropStarting(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeEditToolbarButtonClick() ```ts removeEditToolbarButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeEnteredEditMode() ```ts removeEnteredEditMode(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeExitedEditMode() ```ts removeExitedEditMode(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeHandleToolbarButtonClick() ```ts removeHandleToolbarButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeImageContentChanged() ```ts removeImageContentChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeImageDpiChanged() ```ts removeImageDpiChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`value`) => `void` | ###### Returns `void` ##### removeInteractiveContainersChanged() ```ts removeInteractiveContainersChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### removeInteractiveZonesChanged() ```ts removeInteractiveZonesChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`e`) => `void` | ###### Returns `void` ##### removeIsEditingChanged() ```ts removeIsEditingChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`ph`) => `void` | ###### Returns `void` ##### removeItemAdded() ```ts removeItemAdded(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`args`) => `void` | ###### Returns `void` ##### removeItemChanged() ```ts removeItemChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeItemChanging() ```ts removeItemChanging(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`sender`) => `void` | ###### Returns `void` ##### removeItemCollectionChanged() ```ts removeItemCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeItemHandlerCollectionChanged() ```ts removeItemHandlerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeItemHandlerHover() ```ts removeItemHandlerHover(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### removeItemMoved() ```ts removeItemMoved(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`args`) => `void` | ###### Returns `void` ##### removeItemPropertyChanged() ```ts removeItemPropertyChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`sender`, `propertyName`) => `void` | ###### Returns `void` ##### removeItemRemoved() ```ts removeItemRemoved(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`args`) => `void` | ###### Returns `void` ##### removeLayerCollectionChanged() ```ts removeLayerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeMaskedContainersChanged() ```ts removeMaskedContainersChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`h`) => `void` | ###### Returns `void` ##### removeMouseSelectPixelFinished() ```ts removeMouseSelectPixelFinished(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`eventArgs`) => `void` | ###### Returns `void` ##### removeOnContextMenu() ```ts removeOnContextMenu(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`value`) => `void` | ###### Returns `void` ##### removeOverMockupContainerCollectionChanged() ```ts removeOverMockupContainerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removePreviewMockupContainerCollectionChanged() ```ts removePreviewMockupContainerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removePrintAreaCollectionChanged() ```ts removePrintAreaCollectionChanged(listener): any; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `any` ##### removePrintAreaPropertyChanged() ```ts removePrintAreaPropertyChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`sender`, `propertyName`) => `void` | ###### Returns `void` ##### removeProductThemeChanged() ```ts removeProductThemeChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`theme`) => `void` | ###### Returns `void` ##### removeReady() ```ts removeReady(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeSelectButtonClick() ```ts removeSelectButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeSelectedItemChanged() ```ts removeSelectedItemChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`items`) => `void` | ###### Returns `void` ##### removeSelectToolbarButtonClick() ```ts removeSelectToolbarButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeShapePathLoaded() ```ts removeShapePathLoaded(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeSnapshotLoadedEvent() ```ts removeSnapshotLoadedEvent(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`snapshot`) => `void` | ###### Returns `void` ##### removeSurfaceChanged() ```ts removeSurfaceChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`surface`) => `void` | ###### Returns `void` ##### removeSurfaceCollectionChanged() ```ts removeSurfaceCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeTextWhizzReady() ```ts removeTextWhizzReady(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`textWhizz`) => `void` | ###### Returns `void` ##### removeUnderMockupContainerCollectionChanged() ```ts removeUnderMockupContainerCollectionChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void` ##### removeUserEditContainerChanged() ```ts removeUserEditContainerChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`container`) => `void` | ###### Returns `void` ##### removeViolationWarningButtonClick() ```ts removeViolationWarningButtonClick(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | (`item`) => `void` | ###### Returns `void` ##### removeWorkspaceSizeChanged() ```ts removeWorkspaceSizeChanged(listener): void; ``` ###### Parameters | Parameter | Type | | ------ | ------ | | `listener` | () => `void` | ###### Returns `void`