WindowPattern.SetWindowVisualState(WindowVisualState) Metodo

Definizione

Spazio dei nomi:

System.Windows.Automation

Assembly:

UIAutomationClient.dll

Cambia il valore WindowVisualState della finestra.

public:
 void SetWindowVisualState(System::Windows::Automation::WindowVisualState state);

public void SetWindowVisualState (System.Windows.Automation.WindowVisualState state);

member this.SetWindowVisualState : System.Windows.Automation.WindowVisualState -> unit

Public Sub SetWindowVisualState (state As WindowVisualState)

Parametri

state

WindowVisualState

Valore WindowVisualState richiesto della finestra.

Eccezioni

InvalidOperationException

Un controllo non supporta un comportamento richiesto.

Esempio

Nell'esempio seguente viene ottenuto un WindowPattern modello di controllo da un AutomationElement oggetto e viene successivamente usato per specificare lo stato visivo dell'oggetto AutomationElement.

///--------------------------------------------------------------------
/// <summary>
/// Obtains a WindowPattern control pattern from an automation element.
/// </summary>
/// <param name="targetControl">
/// The automation element of interest.
/// </param>
/// <returns>
/// A WindowPattern object.
/// </returns>
///--------------------------------------------------------------------
private WindowPattern GetWindowPattern(AutomationElement targetControl)
{
    WindowPattern windowPattern = null;

    try
    {
        windowPattern =
            targetControl.GetCurrentPattern(WindowPattern.Pattern)
            as WindowPattern;
    }
    catch (InvalidOperationException)
    {
        // object doesn't support the WindowPattern control pattern
        return null;
    }
    // Make sure the element is usable.
    if (false == windowPattern.WaitForInputIdle(10000))
    {
        // Object not responding in a timely manner
        return null;
    }
    return windowPattern;
}

'''------------------------------------------------------------------------
''' <summary>
''' Obtains a WindowPattern control pattern from an automation element.
''' </summary>
''' <param name="targetControl">
''' The automation element of interest.
''' </param>
''' <returns>
''' A WindowPattern object.
''' </returns>
'''------------------------------------------------------------------------
Private Function GetWindowPattern(ByVal targetControl As AutomationElement) As WindowPattern
    Dim windowPattern As WindowPattern = Nothing

    Try
        windowPattern = DirectCast( _
        targetControl.GetCurrentPattern(windowPattern.Pattern), _
        WindowPattern)
    Catch
        ' object doesn't support the WindowPattern control pattern
        Return Nothing
    End Try
    ' Make sure the element is usable.
    If False = windowPattern.WaitForInputIdle(10000) Then
        ' Object not responding in a timely manner
        Return Nothing
    End If
    Return windowPattern
End Function 'GetWindowPattern

///--------------------------------------------------------------------
/// <summary>
/// Calls the WindowPattern.SetVisualState() method for an associated 
/// automation element.
/// </summary>
/// <param name="windowPattern">
/// The WindowPattern control pattern obtained from
/// an automation element.
/// </param>
/// <param name="visualState">
/// The specified WindowVisualState enumeration value.
/// </param>
///--------------------------------------------------------------------
private void SetVisualState(WindowPattern windowPattern, 
    WindowVisualState visualState)
{
    try
    {
        if (windowPattern.Current.WindowInteractionState ==
            WindowInteractionState.ReadyForUserInteraction)
        {
            switch (visualState)
            {
                case WindowVisualState.Maximized:
                    // Confirm that the element can be maximized
                    if ((windowPattern.Current.CanMaximize) && 
                        !(windowPattern.Current.IsModal))
                    {
                        windowPattern.SetWindowVisualState(
                            WindowVisualState.Maximized);
                        // TODO: additional processing
                    }
                    break;
                case WindowVisualState.Minimized:
                    // Confirm that the element can be minimized
                    if ((windowPattern.Current.CanMinimize) &&
                        !(windowPattern.Current.IsModal))
                    {
                        windowPattern.SetWindowVisualState(
                            WindowVisualState.Minimized);
                        // TODO: additional processing
                    }
                    break;
                case WindowVisualState.Normal:
                    windowPattern.SetWindowVisualState(
                        WindowVisualState.Normal);
                    break;
                default:
                    windowPattern.SetWindowVisualState(
                        WindowVisualState.Normal);
                    // TODO: additional processing
                    break;
            }
        }
    }
    catch (InvalidOperationException)
    {
        // object is not able to perform the requested action
        return;
    }
}

'''------------------------------------------------------------------------
''' <summary>
''' Calls the WindowPattern.SetVisualState() method for an associated 
''' automation element.
''' </summary>
''' <param name="windowPattern">
''' The WindowPattern control pattern obtained from
''' an automation element.
''' </param>
''' <param name="visualState">
''' The specified WindowVisualState enumeration value.
''' </param>
'''------------------------------------------------------------------------
Private Sub SetVisualState(ByVal windowPattern As WindowPattern, _
    ByVal visualState As WindowVisualState)
    Try
        If (windowPattern.Current.WindowInteractionState = _
                WindowInteractionState.ReadyForUserInteraction) Then
            Select Case visualState
                Case WindowVisualState.Maximized
                    ' Confirm that the element can be maximized
                    If ((windowPattern.Current.CanMaximize) & _
                            Not (windowPattern.Current.IsModal)) Then
                        windowPattern.SetWindowVisualState( _
                        WindowVisualState.Maximized)
                    End If
                    ' TODO: additional processing
                Case WindowVisualState.Minimized
                    ' Confirm that the element can be minimized
                    If ((windowPattern.Current.CanMinimize) & _
                            Not (windowPattern.Current.IsModal)) Then
                        windowPattern.SetWindowVisualState( _
                        WindowVisualState.Minimized)
                    End If
                    ' TODO: additional processing
                Case WindowVisualState.Normal
                    windowPattern.SetWindowVisualState( _
                    WindowVisualState.Normal)
                Case Else
                    windowPattern.SetWindowVisualState( _
                    WindowVisualState.Normal)
            End Select
            ' TODO: additional processing
        End If
    Catch exc As InvalidOperationException
        ' object is not able to perform the requested action
        Return
    End Try
End Sub