如何判断GetOpenFilename的返回值
Dim filenames As Variant
Dim fn As Variant
Dim filename As String
filenames = Application.GetOpenFilename("Excel(*.xls),*.xls", 0, "Open a file", Null, True)
For Each fn In filenames
filename = CStr(fn)
...
Next
如果在出现对话框的时候点取消就会出错,怎么解决阿,先谢谢了