PPT: Code to Change "White Areas" of Graphic to Transparent

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Sample Visual Basic Procedure

  Sub MakeTransparent()

      With ActiveWindow.Selection.ShapeRange
         .PictureFormat.TransparentBackground = msoTrue

      ' If you want to make a different color transparent, change the RGB
      ' values in the next line of code. For example, if you want to make
      ' black the transparent color, change:
      '
      '   RGB(255, 255, 255)
      '
      ' to
      '
      '   RGB(0, 0, 0)
      '
         .PictureFormat.TransparencyColor = RGB(255, 255, 255)
         .Fill.Visible = msoFalse
      End With
   End Sub