Sometimes we always have to change some default settings when using Delphi7's Listview. Now we gather them together and summarize them as follows.
MultiSelect := True; enables Listview to select multiple rows at the same time
GridLines := True; causes Listview to display grid lines
ViewStyle := vsReport; displays a detailed list of data items
HideSelection := True; When the listview loses focus, the selected row is not highlighted.
//Set color procedure TForm1.ListView1CustomDrawItem(Sender: TCustomListView; Item: TListItem; State: TCustomDrawState; var DefaultDraw: Boolean);var subRect, itemRect: TRect; i, SubItem: Integer;begin DefaultDraw := False; if Item.Selected then begin Sender.Canvas.Font.Color := clRed; //Selected line font color Sender.Canvas.Brush.Color := clgray; //clGreen; Selected line highlight colorend else begin Sender.Canvas.Font.Color := clNavy; //Normal line font color Sender. Canvas.Brush.Color := clWhite; //Normal row highlight color end; itemRect := Item.DisplayRect(drLabel); subRect := itemRect; for SubItem := 0 to (Sender as TListView).Columns.Count - 1 do begin subRect.Left := itemRect.Left; for i := 1 to SubItem do begin subRect.Left := subRect.Left + (Sender as TListView) .Column[i - 1].Width; subRect.Right := subRect.Right + SubRect.Left + (Sender as TListView).Column[i].Width; end; if SubItem = 0 then begin subRect.Right := subRect.Right + 2; Sender.Canvas.TextRect(subRect, subRect.Left, subRect.Top, Item.Caption); end else Sender.Canvas.TextRect(subRect, subRect.Left, subRect.Top, Item.SubItems[SubItem - 1]); end;end;
//Sort function private { Private declarations } SortCol: Integer; SortWay: Integer; procedure TForm1.ListView1ColumnClick(Sender: TObject; Column: TListColumn);begin SortCol := Column.Index; if (SortWay = 1) then SortWay := - 1 else SortWay := 1; (Sender as TCustomListView).AlphaSort;end;procedure TForm1.ListView1Compare(Sender: TObject; Item1, Item2: TListItem; Data: Integer; var Compare: Integer);var t: Integer;begin if (SortCol = 0) then begin Compare := SortWay * CompareText(Item1.Caption, Item2.Caption); end else begin t := SortCol - 1; Compare := SortWay * CompareText(Item1.SubItems[t], Item2.SubItems[t]); end;end;There is a problem with this function: the numerical sorting will be similar to the characters, for example: 1,10,102,3,34,356...Interested readers can improve it