function ListViewColumnCount(mHandle: THandle): Integer; begin Result := Header_GetItemCount(ListView_GetHeader(mHandle));
end; { ListViewColumnCount }
function GetListViewText(mHandle: THandle; mStrings: TStrings): Boolean; var vColumnCount: Integer; vItemCount: Integer; I, J: Integer; vBuffer: array[0..255] of Char; vProcessId: DWORD; vProcess: THandle; vPointer: Pointer; vNumberOfBytesRead: Cardinal; S: string; vItem: TLVItem; begin Result := False; if not Assigned(mStrings) then Exit; vColumnCount := ListViewColumnCount(mHandle); if vColumnCount <= 0 then Exit; vItemCount := ListView_GetItemCount(mHandle); GetWindowThreadProcessId(mHandle, @vProcessId); vProcess := OpenProcess(PROCESS_VM_OPERATION or PROCESS_VM_READ or PROCESS_VM_WRITE, False, vProcessId); vPointer := VirtualAllocEx(vProcess, nil, 4096, MEM_RESERVE or MEM_COMMIT, PAGE_READWRITE); mStrings.BeginUpdate; try mStrings.Clear; for I := 0 to vItemCount - 1 do begin S := ''; for J := 0 to vColumnCount - 1 do begin with vItem do begin mask := LVIF_TEXT; iItem := I; iSubItem := J; cchTextMax := SizeOf(vBuffer); pszText := Pointer(Cardinal(vPointer) + SizeOf(TLVItem)); end; WriteProcessMemory(vProcess, vPointer, @vItem, SizeOf(TLVItem), vNumberOfBytesRead); SendMessage(mHandle, LVM_GETITEM, I, lparam(vPointer)); ReadProcessMemory(vProcess, Pointer(Cardinal(vPointer) + SizeOf(TLVItem)), @vBuffer[0], SizeOf(vBuffer), vNumberOfBytesRead); if vBuffer='' then vBuffer :='0';
S := S + ',' + vBuffer; end; Delete(S, 1, 1); mStrings.Add(S); end; finally VirtualFreeEx(vProcess, vPointer, 0, MEM_RELEASE); CloseHandle(vProcess); mStrings.EndUpdate; end; Result := True;
end; { GetListViewText }
procedure TForm1.Timer1Timer(Sender: TObject); var mh,zh,ch: HWND; s,S1: String; WinText:array[0..255] of char;
begin mh:=FindWindow(nil,PChar('要素检查')); if mh>0 then zh:=FindWindowEx(mh,0,'mgGridCtrl',0); if zh> 0 then GetListViewText(zh,TmpL); mmo1.Text:=tmpl.Text; end;
procedure TForm1.FormCreate(Sender: TObject); begin tmpl:=TStringList.Create; end;