The following example shows how to show all files and their associated icons of a folder in a TListView.
To test the code, you need a ListView1 and a ImageList1 where the icons are stored.
Code:
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uses ShellApi;
procedure LV_InsertFiles(strPath: string; ListView: TListView; ImageList: TImageList); var i: Integer; Icon: TIcon; SearchRec: TSearchRec; ListItem: TListItem; FileInfo: SHFILEINFO; begin // Create a temporary TIcon Icon := TIcon.Create; ListView.Items.BeginUpdate; try // search for the first file i := FindFirst(strPath + '*.*', faAnyFile, SearchRec); while i = 0 do begin with ListView do begin // On directories and volumes if ((SearchRec.Attr and FaDirectory <> FaDirectory) and (SearchRec.Attr and FaVolumeId <> FaVolumeID)) then begin ListItem := ListView.Items.Add; //Get The DisplayName SHGetFileInfo(PChar(strPath + SearchRec.Name), 0, FileInfo, SizeOf(FileInfo), SHGFI_DISPLAYNAME); Listitem.Caption := FileInfo.szDisplayName; // Get The TypeName SHGetFileInfo(PChar(strPath + SearchRec.Name), 0, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME); ListItem.SubItems.Add(FileInfo.szTypeName); //Get The Icon That Represents The File SHGetFileInfo(PChar(strPath + SearchRec.Name), 0, FileInfo, SizeOf(FileInfo), SHGFI_ICON or SHGFI_SMALLICON); icon.Handle := FileInfo.hIcon; ListItem.ImageIndex := ImageList.AddIcon(Icon); // Destroy the Icon DestroyIcon(FileInfo.hIcon); end; end; i := FindNext(SearchRec); end; finally Icon.Free; ListView.Items.EndUpdate; end; end;
procedure TForm1.Button1Click(Sender: TObject); begin // Assign a Imagelist to the ListView ListView1.SmallImages := ImageList1; // Show Listview in Report Style and add 2 Columns ListView1.ViewStyle := vsReport; ListView1.Columns.Add; ListView1.Columns.Add; LV_InsertFiles('C:\Windows\', ListView1, ImageList1); end; |
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