https://learn.microsoft.com/ja-jp/dotnet/api/system.windows.media.pathgeometry.getpointatfractionlength?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
PathGeometry.GetPointAtFractionLength(Double, Point, Point) Method (System.Windows.Media) |...
Gets the Point and a tangent vector on this PathGeometry at the specified fraction of its length.
double pointmethodsystemwindowsmedia
https://learn.microsoft.com/ja-jp/dotnet/api/system.windows.media.pathgeometry.createfromgeometry?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
PathGeometry.CreateFromGeometry(Geometry) Method (System.Windows.Media) | Microsoft Learn
Creates a PathGeometry version of the specified Geometry.
windows mediageometrymethodsystemmicrosoft