https://learn.microsoft.com/en-us/dotnet/api/system.windows.media.matrix.scaleprepend?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-9.0
Matrix.ScalePrepend(Double, Double) Method (System.Windows.Media) | Microsoft Learn
Prepends the specified scale vector to this Matrix structure.
windows mediamatrixdoublemethodsystem