https://learn.microsoft.com/zh-cn/dotnet/api/system.windows.media.animation.easingdoublekeyframe.interpolatevaluecore?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
EasingDoubleKeyFrame.InterpolateValueCore(Double, Double) Method (System.Windows.Media.Animation) |...
Interpolates, according to the easing function used, between the previous key frame value and the value of the current key frame, using the supplied progress...
windows mediadoublemethodsystemanimation