ITaskbarList3::SetTabActive method
Informs the taskbar that a tab or document window has been made the active window.
Syntax
HRESULT SetTabActive( [in] HWND hwndTab, [in] HWND hwndMDI, [in] DWORD dwReserved );
Parameters
- hwndTab [in]
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Type: HWND
Handle of the active tab window. This handle must already be registered through ITaskbarList3::RegisterTab. This value can be NULL if no tab is active.
- hwndMDI [in]
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Type: HWND
Handle of the application's main window. This value tells the taskbar which group the thumbnail is a member of. This value is required and cannot be NULL.
- dwReserved [in]
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Type: DWORD
Reserved; set to 0.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
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Minimum supported client |
Windows 7 [desktop apps only] |
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Minimum supported server |
Windows Server 2008 R2 [desktop apps only] |
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Header |
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IDL |
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Library |
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DLL |
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See also
- ITaskbarList
- ITaskbarList2
- ITaskbarList3
- ITaskbarList3::RegisterTab
- ITaskbarList3::SetTabOrder
- ITaskbarList3::UnregisterTab
- Taskbar Extensions
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