ITransformProvider.Move(Double, Double) 메서드

public:
 void Move(double x, double y);

public void Move(double x, double y);

abstract member Move : double * double -> unit

Public Sub Move (x As Double, y As Double)

매개 변수

예외

예제

다음 예제에서는 이동할 수 있는 사용자 지정 컨트롤에 대 한이 메서드의 가능한 구현을 보여 주세요.

/// <summary>
/// Moves the provider to the specified position.
/// </summary>
/// <param name="x">The specified X screen coordinate.</param>
/// <param name="y">The specified Y screen coordinate</param>
void ITransformProvider.Move(double x, double y)
{
    int leftInt = (int)x;
    int topInt = (int)y;

    if (!((ITransformProvider)this).CanMove)
        throw new InvalidOperationException(
            "Operation cannot be performed.");

    // Move should never be allowed to place a control outside the 
    // bounds of its container; the control should always be accessible 
    // using the keyboard or mouse.
    // Use the bounds of the parent window to limit the placement 
    // of the custom control.
    int maxLeft = 10;
    int maxTop = 10;
    int maxRight =
        this.customControl.formWidth - this.customControl.Width - 10;
    int maxBottom =
        this.customControl.formHeight - this.customControl.Height - 10;

    if (leftInt < maxLeft)
        leftInt = 0;
    if (topInt < maxTop)
        topInt = 0;
    if (leftInt > maxRight)
        leftInt = maxRight;
    if (topInt > maxBottom)
        topInt = maxBottom;

    // Invoke control method on separate thread to avoid clashing with UI.
    // Use anonymous method for simplicity.
    this.customControl.Invoke(new MethodInvoker(delegate ()
    {
        this.customControl.Left = leftInt;
        this.customControl.Top = topInt;
    }));
}

''' <summary>
''' Moves the provider to the specified position.
''' </summary>
''' <param name="x">The specified X screen coordinate.</param>
''' <param name="y">The specified Y screen coordinate</param>
Private Sub Move(ByVal x As Double, ByVal y As Double) Implements ITransformProvider.Move
    Dim leftInt As Integer = CInt(x)
    Dim topInt As Integer = CInt(y)

    If Not(CType(Me, ITransformProvider)).CanMove Then
        Throw New InvalidOperationException("Operation cannot be performed.")
    End If

    ' Move should never be allowed to place a control outside the 
    ' bounds of its container; the control should always be accessible 
    ' using the keyboard or mouse.
    ' Use the bounds of the parent window to limit the placement 
    ' of the custom control.
    Dim maxLeft As Integer = 10
    Dim maxTop As Integer = 10
    Dim maxRight As Integer = Me.customControl.formWidth - Me.customControl.Width - 10
    Dim maxBottom As Integer = Me.customControl.formHeight - Me.customControl.Height - 10

    If leftInt < maxLeft Then
        leftInt = 0
    End If
    If topInt < maxTop Then
        topInt = 0
    End If
    If leftInt > maxRight Then
        leftInt = maxRight
    End If
    If topInt > maxBottom Then
        topInt = maxBottom
    End If

    ' Invoke control method on separate thread to avoid clashing with UI.
    ' Use anonymous method for simplicity.
    Me.customControl.Invoke(New MethodInvoker(Sub()
        Me.customControl.Left = leftInt
        Me.customControl.Top = topInt
    End Sub))
End Sub

설명

개체의 결과 화면 위치가 컨테이너의 좌표 밖에 있고 키보드나 마우스에 액세스할 수 없도록 개체를 이동, 크기 조정 또는 회전할 수 없습니다. 예를 들어 최상위 창이 완전히 화면 외부로 이동되거나 자식 개체가 컨테이너 뷰포트의 경계 밖으로 이동하는 경우입니다. 이러한 경우 개체는 컨테이너 경계 내에 있도록 재정의된 위쪽 또는 왼쪽 좌표를 사용하여 요청된 화면 좌표에 최대한 가깝게 배치됩니다.

추가 정보

• UI 자동화 변환 컨트롤 패턴