ZoomPanelZoomPanelHistoryItemsCollection Class |
ZoomPanelHistoryItemsCollection class contains data about history items and methods to navigate the history.
Inheritance HierarchyNamespace: Ab2d.Controls
Assembly: Ab2d.Controls.ZoomPanel (in Ab2d.Controls.ZoomPanel.dll) Version: 5.2.6631.1040
SyntaxC#
public class ZoomPanelHistoryItemsCollection : INotifyPropertyChanged
The ZoomPanelZoomPanelHistoryItemsCollection type exposes the following members.
Properties| Name | Description | |
|---|---|---|
 | CurrentIndex |
Gets the index of the current item.
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| CurrentItem |
Gets the current history item that contains the Viewbox and RotationAngle.
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| IsBackAvailable |
Gets a boolean that specifies if we can move to the previous (older) history item.
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| IsNextAvailable |
Gets a boolean that specifies if we can move the next (newer) history item.
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| IsSuspended |
Gets a boolean that specifies if adding new items is currently suspended.
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| ItemsCount |
Gets the number of saved items currently in the history.
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| MaxItems |
Gets or sets the maximum number of saved history items. Special values: 0 = history is disabled, -1 = unlimited
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Methods| Name | Description | |
|---|---|---|
 | AddItem |
Adds a new ZoomPanelHistoryItem to the history items collection.
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| Clear |
Clears all the saved history items.
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| GetItem |
Returns a ZoomPanelHistoryItem with the specified itemIndex (0: the latest (newest) item, (ItemsCount - 1): the last (oldest) item)
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| MoveBack |
Goes to the previous (older) history item.
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| MoveNext |
Goes to the next (newer) history item.
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| Resume |
Resumes saving and navigating history items. Call Suspend method to resume saving and navigating history items.
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| Suspend |
Suspends saving and navigating history items. Call Resume method to resume saving and navigating history items.
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Events| Name | Description | |
|---|---|---|
 | CurrentHistoryItemChanged |
Event that is fired when the current history item is changed.
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| PropertyChanged |
PropertyChanged
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Fields| Name | Description | |
|---|---|---|
 | GetCurrentItemCallback |
GetCurrentItemCallback is used to get the ZoomPanelHistoryItem with the current Viewbox and RotationAngle.
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See Also