static extern bool GetCharABCWidthsI(IntPtr hdc, uint giFirst, uint cgi,

static extern bool GetCharABCWidthsFloat(IntPtr hdc, uint iFirstChar,

/// <summary>The GetCharABCWidthsFloat function retrieves the widths, in logical units, of consecutive

/// Unlike the GetCharABCWidths function that returns widths only for TrueType fonts, the GetCharABCWidthsFloat

private static extern bool GetCharABCWidthsFloat(IntPtr hdc, uint iFirstChar, uint iLastChar, [Out] ABCFloat[] lpABCF);

     GetCharABCWidthsFloat(hDC, start, end, values);

static extern bool GetCharABCWidths(IntPtr hdc, uint uFirstChar,uint uLastChar, ref ABC lpabc);

     static extern bool GetCharABCWidths(IntPtr hdc, uint uFirstChar,

      bool ret = GetCharABCWidths(Hdc, 'A', 'C', ref abc[0]);