调用方法
procedure TfrmDataImport.B_ExcelDownClick(Sender: TObject);
begin
UpDownTVItem(TV_Import, 2);
end;
procedure TfrmDataImport.B_ExcelUpClick(Sender: TObject);
begin
UpDownTVItem(TV_Import, 1);
end;
上下移动函数
procedure TfrmDataImport.UpDownTVItem(aTV : TTreeView; UpDown : Integer); var tmText : String; tmP : Pointer; i, AddV : Integer; tmAsk : Boolean; begin // UpDown : 1 Up Other Down if Assigned(aTV.Selected) then begin tmAsk := False; if UpDown = 1 then begin AddV := -1; if aTV.Selected.Index > 0 then tmAsk := True; end else begin AddV := 1; if aTV.Selected.Index < aTV.Items.Count - 1 then tmAsk := True; end; if tmAsk then begin i := aTV.Selected.Index; tmText := aTV.Selected.Text; tmP := aTV.Selected.Data; aTV.Items.Item[i].Text := aTV.Items.Item[i + AddV].Text; aTV.Items.Item[i].Data := aTV.Items.Item[i + AddV].Data; aTV.Items.Item[i + AddV].Text := tmText; aTV.Items.Item[i + AddV].Data := tmP; aTV.Items.Item[i + AddV].Selected := True; end; end; end;