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| public Drawing: Boolean; end;
procedure TForm1.TabControl1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); begin Drawing := True; end;
procedure TForm1.TabControl1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer); begin if Drawing then begin TabControl1.DragMode := dmAutomatic; TabControl1DragDrop(Sender, TabControl1.Tabs.Objects[TabControl1.TabIndex], x, y); end; end;
procedure TForm1.TabControl1MouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); begin Drawing := False; TabControl1.DragMode := dmManual; end;
procedure TForm1.TabControl1DragDrop(Sender, Source: TObject; X, Y: Integer); var iNewPos : Integer; begin with TabControl1 do begin iNewPos := IndexOfTabAt(x, y); if iNewPos = -1 then iNewPos := FMySheet.Count - 1; FMySheet.Move(TabControl1.TabIndex, iNewPos); TabControl1.Tabs.Move(TabControl1.TabIndex, iNewPos); TabControl1.TabIndex := iNewPos; end; end;
procedure TForm1.TabControl1DragOver(Sender, Source: TObject; X, Y: Integer; State: TDragState; var Accept: Boolean); begin Accept := Source = TabControl1; end; |