Private Declare Sub SetColorDepth Lib "MakePDF417.dll" (ByRef nDepth As Integer) Private Declare Sub GetColorDepth Lib "MakePDF417.dll" () Private Declare Sub MixText Lib "MakePDF417.dll" (ByVal szSrcBmpFileName As String, ByVal szDstBmpFileName As String, ByVal szText As String, ByVal lFont