ITaskbarList3::SetTabActive method (shobjidl_core.h)
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
[in] hwndTab
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.
[in] hwndMDI
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.
[in] dwReserved
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
| 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) |
| Library | Explorerframe.lib |
| DLL | Explorerframe.dll |