ITaskbarList3::SetTabOrder method (shobjidl_core.h)
Inserts a new thumbnail into a tabbed-document interface (TDI) or multiple-document interface (MDI) application's group flyout or moves an existing thumbnail to a new position in the application's group.
Syntax
HRESULT SetTabOrder(
[in] HWND hwndTab,
[in, optional] HWND hwndInsertBefore
);
Parameters
[in] hwndTab
Type: HWND
The handle of the tab window whose thumbnail is being placed. This value is required, must already be registered through ITaskbarList3::RegisterTab, and cannot be NULL.
[in, optional] hwndInsertBefore
Type: HWND
The handle of the tab window whose thumbnail that hwndTab is inserted to the left of. This handle must already be registered through ITaskbarList3::RegisterTab. If this value is NULL, the new thumbnail is added to the end of the list.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
This method must be called for the thumbnail to be shown in the group. Call it after you have called ITaskbarList3::RegisterTab.
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 |