Windows Phone 开发
Windows Phone API 参考
Windows Phone 运行时 API
Windows.UI.Input Namespace
PointerPointProperties Class
PointerPointProperties.ContactRect | contactRect Property
PointerPointProperties.ContactRectRaw | contactRectRaw Property
PointerPointProperties.GetUsageValue | getUsageValue Method
PointerPointProperties.HasUsage | hasUsage Method
PointerPointProperties.IsBarrelButtonPressed | isBarrelButtonPressed Property
PointerPointProperties.IsCanceled | isCanceled Property
PointerPointProperties.IsEraser | isEraser Property
PointerPointProperties.IsHorizontalMouseWheel | isHorizontalMouseWheel Property
PointerPointProperties.IsInRange | isInRange Property
PointerPointProperties.IsInverted | isInverted Property
PointerPointProperties.IsLeftButtonPressed | isLeftButtonPressed Property
PointerPointProperties.IsMiddleButtonPressed | isMiddleButtonPressed Property
PointerPointProperties.IsPrimary | isPrimary Property
PointerPointProperties.IsRightButtonPressed | isRightButtonPressed Property
PointerPointProperties.IsXButton1Pressed | isxButton1Pressed Property
PointerPointProperties.IsXButton2Pressed | isxButton2Pressed Property
PointerPointProperties.MouseWheelDelta | mouseWheelDelta Property
PointerPointProperties.Orientation | orientation Property
PointerPointProperties.PointerUpdateKind | pointerUpdateKind Property
PointerPointProperties.Pressure | pressure Property
PointerPointProperties.TouchConfidence | touchConfidence Property
PointerPointProperties.Twist | twist Property
PointerPointProperties.XTilt | xTilt Property
PointerPointProperties.YTilt | yTilt Property
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PointerPointProperties.IsPrimary | isPrimary Property

获取一个值，该值指示在注册了多个指针时输入是否来自主要指针。

语法

C#
C++
VB
复制 

public bool IsPrimary { get; }

属性值

类型: Boolean [JavaScript] | System.Boolean [.NET] | Platform::Boolean [C++]

如果从指定为主指针的指针输入，则为 true；否则为 false。

备注

主指针可以执行对其他指针不可用的操作。例如，主指针可在其与窗口联系时发送 WM_POINTERACTIVATE 消息。

要求

最低受支持的客户端

Windows 8

最低受支持的服务器

Windows Server 2012

最低受支持的电话

Windows Phone 8

命名空间

Windows.UI.Input
Windows::UI::Input [C++]

元数据
Windows.winmd

另请参阅

PointerPointProperties

 

 

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