StylusPointProperty Sınıf

Tanım

Ad Alanı:

System.Windows.Input

Bütünleştirilmiş Kod:

PresentationCore.dll

içinde depolanan bir StylusPointözelliği temsil eder.

public ref class StylusPointProperty

public class StylusPointProperty

type StylusPointProperty = class

Public Class StylusPointProperty

Devralma

Object

StylusPointProperty

Türetilmiş

System.Windows.Input.StylusPointPropertyInfo

Örnekler

Aşağıdaki örnek öğesinden nesnesini oluşturur StylusPointDescription ve içindeki StylusPointCollectionher StylusPointPropertyInfo birinin bilgilerini StylusPointDescription alır.

private void WriteDescriptionInfo(StylusPointCollection points)
{
    StylusPointDescription pointsDescription = points.Description;
    ReadOnlyCollection<StylusPointPropertyInfo> properties = 
        pointsDescription.GetStylusPointProperties();

    StringWriter descriptionStringWriter = new StringWriter();
    descriptionStringWriter.Write("Property Count:{0}", pointsDescription.PropertyCount.ToString());
    
    foreach (StylusPointPropertyInfo property in properties)
    {
        // GetStylusPointPropertyName is defined below and returns the
        // name of the property.
        descriptionStringWriter.Write("name = {0}", GetStylusPointPropertyName(property).ToString());
        descriptionStringWriter.WriteLine("  Guid = {0}", property.Id.ToString());
        descriptionStringWriter.Write("  IsButton = {0}", property.IsButton.ToString());
        descriptionStringWriter.Write("  Min = {0}", property.Minimum.ToString());
        descriptionStringWriter.Write("  Max = {0}", property.Maximum.ToString());
        descriptionStringWriter.Write("  Unit = {0}", property.Unit.ToString());
        descriptionStringWriter.WriteLine("  Res {0}", property.Resolution.ToString());
    }

    descriptionOutput.Text = descriptionStringWriter.ToString();
}

Private Sub WriteDescriptionInfo(ByVal points As StylusPointCollection) 

    Dim pointsDescription As StylusPointDescription = points.Description

    Dim properties As ReadOnlyCollection(Of StylusPointPropertyInfo) = _
        pointsDescription.GetStylusPointProperties()

    Dim descriptionStringWriter As New StringWriter
    descriptionStringWriter.Write("Property Count:{0}", pointsDescription.PropertyCount.ToString())
    
    Dim pointProperty As StylusPointPropertyInfo
    For Each pointProperty In properties

        ' GetStylusPointPropertyName is defined below and returns the
        ' name of the property.
        descriptionStringWriter.Write("name = {0}", GetStylusPointPropertyName(pointProperty).ToString())
        descriptionStringWriter.WriteLine("  Guid = {0}", pointProperty.Id.ToString())
        descriptionStringWriter.Write("  IsButton = {0}", pointProperty.IsButton.ToString())
        descriptionStringWriter.Write("  Min = {0}", pointProperty.Minimum.ToString())
        descriptionStringWriter.Write("  Max = {0}", pointProperty.Maximum.ToString())
        descriptionStringWriter.Write("  Unit = {0}", pointProperty.Unit.ToString())
        descriptionStringWriter.WriteLine("  Res {0}", pointProperty.Resolution.ToString())

    Next pointProperty

    descriptionOutput.Text = descriptionStringWriter.ToString()

End Sub

// Use reflection to get the name of currentProperty.
private string GetStylusPointPropertyName(StylusPointProperty currentProperty)
{
    Guid guid = currentProperty.Id;

    // Iterate through the StylusPointProperties to find the StylusPointProperty
    // that matches currentProperty, then return the name.
    foreach (FieldInfo theFieldInfo
        in typeof(StylusPointProperties).GetFields())
    {
        StylusPointProperty property = (StylusPointProperty) theFieldInfo.GetValue(currentProperty);
        if (property.Id == guid)
        {
            return theFieldInfo.Name;
        }
    }
    return "Not found";
}

' Use reflection to get the name of currentProperty.
Private Function GetStylusPointPropertyName(ByVal currentProperty As StylusPointProperty) As String 
    Dim guid As Guid = currentProperty.Id
    
    ' Iterate through the StylusPointProperties to find the StylusPointProperty
    ' that matches currentProperty, then return the name.
    Dim theFieldInfo As FieldInfo

    For Each theFieldInfo In GetType(StylusPointProperties).GetFields()

        Dim pointProperty As StylusPointProperty = _
            CType(theFieldInfo.GetValue(currentProperty), StylusPointProperty)

        If pointProperty.Id = guid Then
            Return theFieldInfo.Name
        End If

    Next theFieldInfo

    Return "Not found"

End Function 'GetStylusPointPropertyName

Açıklamalar

A StylusPointProperty , (x, y) koordinatları, basınç vb. gibi içindeki özellikleri StylusPoint temsil eder. Her özellik için depolanan bilgileri özelleştirmek için sınıfından devralabilirsiniz StylusPointProperty . Windows Presentation Framework, StylusPointPropertyInfo'den devralan ve her özellik için kullanılan en düşük ve en yüksek değerleri, çözünürlüğü ve birimi belirten StylusPointProperty sınıfıyla birlikte sağlanır.

Oluşturucular

Name	Description
StylusPointProperty(Guid, Boolean)	Belirtilen GUID'yi kullanarak sınıfın StylusPointProperty yeni bir örneğini başlatır.
StylusPointProperty(StylusPointProperty)	Belirtilen StylusPointPropertyöğesini kopyalayarak sınıfının yeni bir örneğini StylusPointProperty başlatır.

Özellikler

Name	Description
Id	Geçerli StylusPointPropertyiçin GUID değerini alır.
IsButton	ekran kalemindeki StylusPointProperty bir düğmeyi temsil edip etmediğini alır.

Yöntemler

Name	Description
ToString()	Geçerli nesneyi temsil eden bir dize döndürür.