VintaSoft Twain .NET SDK 15.3: Руководство для .NET разработчика
Vintasoft.WinTwain Namespace / DeviceImageLayout Class / SetLayout(String) Method
Синтаксис Exceptions Ремарки Example Требования Смотрите также
В этом разделе
    SetLayout(String) Метод (DeviceImageLayout)
    В этом разделе
    Sets the image layout rectangle of document/page/frame.
    Синтаксис
    'Declaration
    
    Public Sub SetLayout( _
    ByVal frame
    Coordinate values the image layout rectangle in the following format: "left top right bottom".
    As String _
    )
    public void SetLayout(
    string frame
    )
    public: void SetLayout(
    string* frame
    )
    public:
    void SetLayout(
    string^ frame
    )

    Parameters

    frame
    Coordinate values the image layout rectangle in the following format: "left top right bottom".
    Исключения
    ИсключениеОписание
    Thrown if frame is null.
    Thrown if frame contains numbers in not a valid format.
    Thrown if frame contains number less than System.Single.MinValue or greater than System.Single.MaxValue.
    Thrown if the .NET debugger is used and the function evaluation requires all threads to run.
    Ремарки

    The image layout rectangle defines what portion of the device's scanning area will be acquired.

    Document number can be set using the DocumentNumber property, Page number can be set using the PageNumber property, Frame number can be set using the FrameNumber property

    Call this method only when device is opened (State == DeviceState.Opened).

    This method has effect only if you do not use the User Interface (ShowUI=false).

    This method should be used in programming environments which cannot work with referred float value, for example, in JavaScript.

    Пример

    Please see example here: DeviceImageLayout.

    Требования

    Целевые платформы: .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

    Смотрите также