Listview - Delphi Tutorial

Publié le: 27 mars 2016
sur la chaîne: Delphi practical school

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184

Delphi Tutorial work with Listview
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Learn Delphi

In this video you can learn how to work with Listview in Delphi.
You can learn how to create,edit and delete items, and also how to add icons to items.

Here is also code used in this video :

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ImgList, Menus, StdCtrls, ExtCtrls, ComCtrls;

type
TForm1 = class(TForm)
ListView1: TListView;
Panel1: TPanel;
Button1: TButton;
Button2: TButton;
Button3: TButton;
Button4: TButton;
Button5: TButton;
CheckBox1: TCheckBox;
Button6: TButton;
Button7: TButton;
Button8: TButton;
Button9: TButton;
ImageList1: TImageList;
Button10: TButton;
CheckBox2: TCheckBox;
procedure Button1Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
procedure Button7Click(Sender: TObject);
procedure Button8Click(Sender: TObject);
procedure Button9Click(Sender: TObject);
procedure CheckBox1Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure ListView1DblClick(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button10Click(Sender: TObject);
procedure CheckBox2Click(Sender: TObject);
procedure ListView1Edited(Sender: TObject; Item: TListItem; var S: string);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button10Click(Sender: TObject);
var
Itm:TListItem;
i:Integer;
begin
for I := 1 to 10 do
begin
Itm:=ListView1.Items.Add;

Itm.Caption:='Item '+IntToStr(ListView1.Items.Count);
Itm.SubItems.Add(Itm.Caption+' Subitem 1');
Itm.SubItems.Add(Itm.Caption+' Subitem 2');
Itm.ImageIndex:=0;
end;

end;

procedure TForm1.Button1Click(Sender: TObject);
var
Itm:TListItem;
begin
Itm:=ListView1.Items.Add;
Itm.Caption:='Item '+IntToStr(ListView1.Items.Count);
Itm.SubItems.Add(Itm.Caption+' Subitem 1');
Itm.SubItems.Add(Itm.Caption+' Subitem 2');

Itm.ImageIndex:=0;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
ListView1.DeleteSelected;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
ListView1.Items.Clear;
end;

procedure TForm1.Button4Click(Sender: TObject);
var i:Integer;
begin
for I := 0 to ListView1.Items.Count-1 do
begin
ListView1.Items[i].Checked:=True;
end;
end;

procedure TForm1.Button5Click(Sender: TObject);
var i:Integer;
begin
for I := 0 to ListView1.Items.Count-1 do
begin
ListView1.Items[i].Checked:=False;
end;
end;

procedure TForm1.Button6Click(Sender: TObject);
begin
ListView1.ViewStyle:=vsIcon;
end;

procedure TForm1.Button7Click(Sender: TObject);
begin
ListView1.ViewStyle:=vsList;
end;

procedure TForm1.Button8Click(Sender: TObject);
begin
ListView1.ViewStyle:=vsReport;
end;

procedure TForm1.Button9Click(Sender: TObject);
begin
ListView1.ViewStyle:=vsSmallIcon;
end;

procedure TForm1.CheckBox1Click(Sender: TObject);
begin
ListView1.Checkboxes:=CheckBox1.Checked;
end;

procedure TForm1.CheckBox2Click(Sender: TObject);
begin
ListView1.RowSelect:=CheckBox2.Checked;
end;

procedure TForm1.ListView1DblClick(Sender: TObject);
begin
if ListView1.ItemFocused.Checked=true then
ListView1.ItemFocused.Checked:=false
else
ListView1.ItemFocused.Checked:=True;
end;

procedure TForm1.ListView1Edited(Sender: TObject; Item: TListItem;
var S: string);
begin
Item.SubItems[0]:=
S+' Subitem 1';
Item.SubItems[1]:=
S+' Subitem 2';
end;

end.

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