TouchPoint(TouchDevice, Point, Rect, TouchAction) 构造函数

定义

命名空间:
System.Windows.Input
程序集:
PresentationCore.dll

初始化 TouchPoint 类的新实例。

public:
 TouchPoint(System::Windows::Input::TouchDevice ^ device, System::Windows::Point position, System::Windows::Rect bounds, System::Windows::Input::TouchAction action);
public TouchPoint(System.Windows.Input.TouchDevice device, System.Windows.Point position, System.Windows.Rect bounds, System.Windows.Input.TouchAction action);
new System.Windows.Input.TouchPoint : System.Windows.Input.TouchDevice * System.Windows.Point * System.Windows.Rect * System.Windows.Input.TouchAction -> System.Windows.Input.TouchPoint
Public Sub New (device As TouchDevice, position As Point, bounds As Rect, action As TouchAction)

参数

device
TouchDevice

生成此 TouchPoint项的触摸设备。

position
Point

触摸点的位置。

bounds
Rect

手指与屏幕接触的区域边界。

action
TouchAction

此设备在此位置发生的最后一个操作。

例外

ArgumentNullException

device 是 null。

注解

这 position 一点的坐标空间应 bounds 保持一致。

适用于