TabletPropertyDescriptionCollection 构造函数

项目
10/28/2008

初始化 TabletPropertyDescriptionCollection 集合的新实例，该实例使用默认转换系数将墨迹空间 转换为数字化仪 坐标。

命名空间： Microsoft.Ink
程序集： Microsoft.Ink（在 Microsoft.Ink.dll 中）

语法

声明
Public Sub New
用法

Dim instance As New TabletPropertyDescriptionCollection()

public TabletPropertyDescriptionCollection()

public:
TabletPropertyDescriptionCollection()

public TabletPropertyDescriptionCollection()

public function TabletPropertyDescriptionCollection()

备注

InkToDeviceScaleX 和 InkToDeviceScaleY 属性设置为 1.0。

使用 TabletPropertyDescriptionCollection() 构造函数可使用默认转换系数。使用 TabletPropertyDescriptionCollection(Single, Single) 构造函数可使用其他转换系数。

示例

在此示例中，为指定的 Tablet 对象所支持的每个数据包属性都创建一个 TabletPropertyDescriptionCollection 集合，并用 TabletPropertyDescription 对象填充该集合。

Private Function GetPropertyDescriptionCollection(ByVal theTablet As Tablet) As TabletPropertyDescriptionCollection

    Dim Result As TabletPropertyDescriptionCollection = New TabletPropertyDescriptionCollection()

    For Each PropertyID As Guid In GetPacketPropertyList()

        If theTablet.IsPacketPropertySupported(PropertyID) Then
            ' get the property metrics
            Dim Metrics As TabletPropertyMetrics = theTablet.GetPropertyMetrics(PropertyID)
            ' add to the collection
            Result.Add(New TabletPropertyDescription(PropertyID, Metrics))
        End If

    Next

    Return Result

End Function


' returns a list of all Packet Property Guids
Private Function GetPacketPropertyList() As List(Of Guid)
    Dim Result As List(Of Guid) = New List(Of Guid)()
    Result.Add(PacketProperty.AltitudeOrientation)
    Result.Add(PacketProperty.AzimuthOrientation)
    Result.Add(PacketProperty.ButtonPressure)
    Result.Add(PacketProperty.Height)
    Result.Add(PacketProperty.NormalPressure)
    Result.Add(PacketProperty.PacketStatus)
    Result.Add(PacketProperty.PitchRotation)
    Result.Add(PacketProperty.RollRotation)
    Result.Add(PacketProperty.SerialNumber)
    Result.Add(PacketProperty.SystemTouch)
    Result.Add(PacketProperty.TangentPressure)
    Result.Add(PacketProperty.TimerTick)
    Result.Add(PacketProperty.TwistOrientation)
    Result.Add(PacketProperty.Width)
    Result.Add(PacketProperty.X)
    Result.Add(PacketProperty.XTiltOrientation)
    Result.Add(PacketProperty.Y)
    Result.Add(PacketProperty.YawRotation)
    Result.Add(PacketProperty.YTiltOrientation)
    Result.Add(PacketProperty.Z)
    Return Result
End Function

private TabletPropertyDescriptionCollection GetPropertyDescriptionCollection(Tablet theTablet)
{
    TabletPropertyDescriptionCollection Result = new TabletPropertyDescriptionCollection();
    foreach (Guid PropertyID in GetPacketPropertyList())
    {
        if (theTablet.IsPacketPropertySupported(PropertyID))
        {
            // get the property metrics
            TabletPropertyMetrics Metrics = theTablet.GetPropertyMetrics(PropertyID);
            //  add to the collection
            Result.Add(new TabletPropertyDescription(PropertyID, Metrics));
        }
    }
    return Result;
}

// returns a list of all Packet Property Guids
private List<Guid> GetPacketPropertyList()
{
    List<Guid> Result = new List<Guid>();
    Result.Add(PacketProperty.AltitudeOrientation);
    Result.Add(PacketProperty.AzimuthOrientation);
    Result.Add(PacketProperty.ButtonPressure);
    Result.Add(PacketProperty.Height);
    Result.Add(PacketProperty.NormalPressure);
    Result.Add(PacketProperty.PacketStatus);
    Result.Add(PacketProperty.PitchRotation);
    Result.Add(PacketProperty.RollRotation);
    Result.Add(PacketProperty.SerialNumber);
    Result.Add(PacketProperty.SystemTouch);
    Result.Add(PacketProperty.TangentPressure);
    Result.Add(PacketProperty.TimerTick);
    Result.Add(PacketProperty.TwistOrientation);
    Result.Add(PacketProperty.Width);
    Result.Add(PacketProperty.X);
    Result.Add(PacketProperty.XTiltOrientation);
    Result.Add(PacketProperty.Y);
    Result.Add(PacketProperty.YawRotation);
    Result.Add(PacketProperty.YTiltOrientation);
    Result.Add(PacketProperty.Z);
    return Result;
}