pb用纯函数实现在数据窗口中模拟资源管理器鼠标单击动作动态排序,并显示排序箭头

//函数名:f_dwsort(datawindow fdw_dw,dwobject fdwo_dwo) return none
//说明:用于在数据窗口中模拟资源管理器鼠标单击动作动态排序,并显示排序箭头
//调用规则:在数据窗口控件clicked!中写入f_dwsort(this,dwo)
//参数:fdw_dw datawindow
//    fdwo_dwo dwobject
//返回值:无
//autor:xiaoluoxy萧云

String ls_clicked_pos,ls_col,ls_format,ls_tag
Long ll_pos
string ls_text,ls_column[]
int li_i

ls_clicked_pos = fdwo_dwo.Name
ll_pos = Pos(ls_clicked_pos,@#_t@#)

If ll_pos >0 Then
//设置排序
ls_col = Left(ls_clicked_pos,ll_pos -1)
ls_tag = fdwo_dwo.tag
If ls_tag = ls_col + "A"  Then
fdwo_dwo.tag = ls_col + "D"
ls_format = ls_col+" A"
ELSEIF ls_tag = ls_col + "D"  Then
fdwo_dwo.tag = ls_col + "A"
ls_format = ls_col+" D"
Else
fdwo_dwo.tag = ls_col + "D"
ls_format = ls_col+" A"
End If

//设置列标题
for li_i = 1 to long(fdw_dw.object.datawindow.column.count)
ls_column[li_i] = fdw_dw.describe("#" + string(li_i) + ".Name") //得到列名
ls_text =  fdw_dw.Describe(ls_column[li_i] + "_t.text")
if right(ls_text,2)="▽" or right(ls_text,2)="△" then
ls_text = left(ls_text,len(ls_text) - 2)
end if
fdw_dw.modify(ls_column[li_i] + "_t.text=@#"+ls_text + "@#")
next

ls_text = fdw_dw.Describe(ls_clicked_pos + ".text")
if right(ls_text,2)="▽" or right(ls_text,2)="△" then
ls_text = left(ls_text,len(ls_text) - 2)
end if
if right(ls_format,1) = @#A@# then
fdw_dw.modify(ls_clicked_pos + ".text=@#"+ls_text + "△@#")
elseif right(ls_format,1) = @#D@# then
fdw_dw.modify(ls_clicked_pos + ".text=@#"+ls_text + "▽@#")
end if
fdw_dw.SetSort(ls_format)
fdw_dw.Sort()
End If

//本程序在pb6.5下通过测试

原文转自：http://www.ltesting.net