The SDxaColWidthOperand structure is the operand to Sprm structures that control column size and spacing.
iCol (1 byte): An unsigned integer value that specifies the zero-based index of the column that is referenced by the Sprm. This value MUST be less than or equal to 43.
dxaCol (2 bytes): An XAS_nonNeg value that specifies the width of the column that is specified by iCol. This value MUST be at least 718.