ITaskbarList4 interface (shobjidl_core.h)
Extends ITaskbarList3 by providing a method that allows the caller to control two property values for the tab thumbnail and peek feature.
Inheritance
The ITaskbarList4 interface inherits from ITaskbarList3. ITaskbarList4 also has these types of members:
Methods
The ITaskbarList4 interface has these methods.
| ITaskbarList4::SetTabProperties Allows a tab to specify whether the main application frame window or the tab window should be used as a thumbnail or in the peek feature under certain circumstances. |
Remarks
This interface also provides the methods of the ITaskbarList, ITaskbarList2, and ITaskbarList3 interfaces, from which it inherits.
When to Implement
An implementation of this interface is provided in Windows as CLSID_TaskbarList. This interface is not implemented by third parties.When to Implement
An implementation of this interface is provided in Windows as CLSID_TaskbarList. This interface is not implemented by third parties.When to Use
Use the methods of this interface for the following:- To use the thumbnail image of the application frame window in place of the tab thumbnail in some circumstances.
- To use the application frame window in place of the tab as the source of the tab's peek image (a full-screen view of the window in response to a mouse-over event in the thumbnail).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 7 [desktop apps only] |
| Minimum supported server | Windows Server 2008 R2 [desktop apps only] |
| Target Platform | Windows |
| Header | shobjidl_core.h (include Shobjidl.h) |