范围描述了一组非相邻的单元格

My app needs to build a buffer from all the selected cells on a worksheet. I have it working correctly when the selected cells are all one contiguous group, but if the user selects a group of cells, then holds down the control key and selects other cells that are not contiguous to the first set of cells, the Worksheet's Selected range only gives me information on that first group of cells. My app needs to build a buffer from all the sel