Teams_SwitchTenant(sTenant) {
    WinId := Teams_GetMainWindow()
    If !WinId ; empty
        return
    UIA := UIA_Interface()
    TeamsEl := UIA.ElementFromHandle(WinId)

    If !TeamsEl.FindFirstBy("AutomationId=idna-me-control-set-status-message-trigger") { ; menu not opened 
        ; Click on avatar
        MeCtrl :=  TeamsEl.FindFirstBy("AutomationId=idna-me-control-avatar-trigger")
        MeCtrl.Click()
        El:= TeamsEl.WaitElementExistByNameAndType("Switch to " . sTenant,"MenuItem",,1,False,1000)
    } Else { ; menu already opened
        El:= TeamsEl.FindFirstByNameAndType("Switch to " . sTenant,"MenuItem",,1,False)
    }
    
    If (El="") {
        TrayTipAutoHide("Switch Tenant","Tenant name starting with '" . sTenant . "' not found!")
    } Else
        El.Click()
} ; eofun