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Title: Remove all files from directory
Use the FindFirst and FindNext functions for searching files in directory. And DeleteFile function for removing files.
procedure TForm1.Button1Click(Sender: TObject);
var
APath: string;
MySearch: TSearchRec;
begin
APath:=Edit1.Text;
FindFirst(APath+'\*.*', faAnyFile+faReadOnly, MySearch);
Memo1.Lines.Add(MySearch.Name);
DeleteFile(APath+'\'+MySearch.Name);
while FindNext(MySearch)=0 do
begin
Memo1.Lines.Add(MySearch.Name);
DeleteFile(APath+'\'+MySearch.Name);
end;
FindClose(MySearch);
end;