PathGeometry.GetPointAtFractionLength(Double, Point, Point) 方法

定义

命名空间:

System.Windows.Media

程序集:

PresentationCore.dll

在此 Point 的一段指定长度上获取 PathGeometry 和正切向量。

public:
 void GetPointAtFractionLength(double progress, [Runtime::InteropServices::Out] System::Windows::Point % point, [Runtime::InteropServices::Out] System::Windows::Point % tangent);

[System.Security.SecurityCritical]
public void GetPointAtFractionLength (double progress, out System.Windows.Point point, out System.Windows.Point tangent);

public void GetPointAtFractionLength (double progress, out System.Windows.Point point, out System.Windows.Point tangent);

[<System.Security.SecurityCritical>]
member this.GetPointAtFractionLength : double * Point * Point -> unit

member this.GetPointAtFractionLength : double * Point * Point -> unit

Public Sub GetPointAtFractionLength (progress As Double, ByRef point As Point, ByRef tangent As Point)

参数

progress

Double

此 PathGeometry 上的一段长度。

point

Point

当此方法返回时，方法中包含此 PathGeometry 上指定的一段长度的位置。 此参数未经初始化即被传递。

tangent

Point

此方法返回时，方法中包含正切向量。 此参数未经初始化即被传递。

属性

SecurityCriticalAttribute