public static void Save(this Metafile metafile, Stream stream, bool forceWmfFormat)
{
if (metafile == null)
{
throw new ArgumentNullException(nameof(metafile), PublicResources.ArgumentNull);
}
if (stream == null)
{
throw new ArgumentNullException(nameof(stream), PublicResources.ArgumentNull);
}
if (!OSUtils.IsWindows)
{
throw new PlatformNotSupportedException(Res.RequiresWindows);
}
bool isWmf = metafile.RawFormat.Guid == ImageFormat.Wmf.Guid;
if (isWmf || forceWmfFormat)
{
WriteWmfHeader(metafile, stream);
}
// making a clone, otherwise, it will not be usable after saving
metafile = (Metafile)metafile.Clone();
IntPtr handle = metafile.GetHenhmetafile();
try
{
byte[] buffer = isWmf ? Gdi32.GetWmfContent(handle)
: (forceWmfFormat ? Gdi32.GetWmfContentFromEmf(handle) : Gdi32.GetEmfContent(handle));
stream.Write(buffer, 0, buffer.Length);
}
finally
{
if (isWmf)
{
Gdi32.DeleteMetaFile(handle);
}
else
{
Gdi32.DeleteEnhMetaFile(handle);
}
metafile.Dispose();
}
}