C# Definition:

[StructLayout(LayoutKind.Sequential)]
public struct OUTLINETEXTMETRIC
{
    public uint     otmSize;
    public TEXTMETRIC otmTextMetrics;
    public byte     otmFiller;
    public PANOSE      otmPanoseNumber;
    public uint     otmfsSelection;
    public uint     otmfsType;
    public int    otmsCharSlopeRise;
    public int     otmsCharSlopeRun;
    public int     otmItalicAngle;
    public uint     otmEMSquare;
    public int     otmAscent;
    public int     otmDescent;
    public uint     otmLineGap;
    public uint     otmsCapEmHeight;
    public uint     otmsXHeight;
    public RECT     otmrcFontBox;
    public int        otmMacAscent;
    public int        otmMacDescent;
    public uint        otmMacLineGap;
    public uint        otmusMinimumPPEM;
    public POINT       otmptSubscriptSize;
    public POINT       otmptSubscriptOffset;
    public POINT       otmptSuperscriptSize;
    public POINT       otmptSuperscriptOffset;
    public uint        otmsStrikeoutSize;
    public int        otmsStrikeoutPosition;
    public int        otmsUnderscoreSize;
    public int        otmsUnderscorePosition;
    public IntPtr      otmpFamilyName;
    public IntPtr      otmpFaceName;
    public IntPtr      otmpStyleName;
    public IntPtr      otmpFullName;
}

VB Defintition

    <StructLayout(LayoutKind.Sequential)> _
    Private Structure OUTLINETEXTMETRIC
        Public otmSize As UInt32
        Public otmTextMetrics As TEXTMETRIC
        Public otmFiller As Byte
        Public otmPanoseNumber As PANOSE
        Public otmfsSelection As UInt32
        Public otmfsType As UInt32
        Public otmsCharSlopeRise As Int32
        Public otmsCharSlopeRun As Int32
        Public otmItalicAngle As Int32
        Public otmEMSquare As UInt32
        Public otmAscent As Int32
        Public otmDescent As Int32
        Public otmLineGap As UInt32
        Public otmsCapEmHeight As UInt32
        Public otmsXHeight As UInt32
        Public otmrcFontBox As modWin32.RECT
        Public otmMacAscent As Int32
        Public otmMacDescent As Int32
        Public otmMacLineGap As UInt32
        Public otmusMinimumPPEM As UInt32
        Public otmptSubscriptSize As modWin32.POINTAPI
        Public otmptSubscriptOffset As modWin32.POINTAPI
        Public otmptSuperscriptSize As modWin32.POINTAPI
        Public otmptSuperscriptOffset As modWin32.POINTAPI
        Public otmsStrikeoutSize As UInt32
        Public otmsStrikeoutPosition As Int32
        Public otmsUnderscoreSize As Int32
        Public otmsUnderscorePosition As Int32
        Public otmpFamilyName As UInt32
        Public otmpFaceName As UInt32
        Public otmpStyleName As UInt32
        Public otmpFullName As UInt32
    End Structure

User-Defined Field Types:

TEXTMETRIC

PANOSE

RECT

POINT

Notes:

None.