Int 2F Fn 1704  - Ms Windows "winoldap" - Get Clipboard Data Size          [W]

   AX = 1704h
   DX = clipboard format supported by WinOldAp (see #2410)

Return: DX:AX = size of data in bytes, including any headers
       0000h:0000h if no data in this format in the Clipboard

Note:  Windows reportedly rounds up the size of the data to a multiple of 32
     bytes

See Also: AX=1700h,AX=1703h,AX=1705h