Opening a metafile in .NET

The docs for the Bitmap class say you can open a metafile using new Bitmap("file.emf"

While this "works" it has a couple of problems:

1. There is no way to set the DPI of the image.
2. The image size is generally not what the metafile header says it should be.
3. The RawFormat property say it is a MemoryBmp, not a Emf or Wmf.

Instead do the following:
Metafile mf = new Metafile("text box line.wmf");
System.Drawing.Bitmap img = new System.Drawing.Bitmap(mf.get_Width(), mf.get_Height(), PixelFormat.Format32bppArgb);
img.SetResolution(72, 72);

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