type
TFileItemData = class
AFileName : String;
ASize : String;
function toString : String;
end;
function TFileItemData.toString : String;
begin
Result := Format('Value1: %s; Value2: %d',[AFileName,ASize]);
end;
procedure TForm1.AddToMemoCb(AFileName:String;ASize:integer);
begin
listbox1.Items.Add(Format('Filename: %s; Size: %d',[AFileName,ASize]));
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
FileImg('G:\leon\delphis\delphi64\sql2\06\Win32\Debug\db\',AddToMemoCb);
end;
procedure TForm1.FileImg(const dirName:string; ACallBack : TInsertImageToDbCallBack);
var
searchResult: TSearchRec;
begin
if FindFirst(dirName+'\*', faAnyFile, searchResult)=0 then begin
try
repeat
if (searchResult.Attr and faDirectory)=0 then begin
if SameText(ExtractFileExt(searchResult.Name), '.jpg') then
ACallBack(IncludeTrailingBackSlash(dirName)+searchResult.Name,searchResult.Size);
end else if (searchResult.Name<>'.') and (searchResult.Name<>'..') then begin
FileImg(IncludeTrailingBackSlash(dirName)+searchResult.Name,AddToMemoCb);
end;
until FindNext(searchResult)<>0
finally
FindClose(searchResult);
end;
end;
end;
procedure TForm1.FormDestroy(Sender: TObject);
var
I : Integer;
obj : TFileItemData;
begin
for I := 0 to ListBox1.Items.Count-1 do
begin
obj := ListBox1.Items.Objects[i] As TFileItemData;
obj.Free;
end;
end;
procedure TForm1.ListBox1Click(Sender: TObject);
var
obj : TFileItemData;
begin
if ListBox1.ItemIndex > -1 then
begin
obj := ListBox1.Items.Objects[ListBox1.ItemIndex] As TFileItemData;
ShowMessage(obj.toString);
end;
end;