public void handleCommonMouseDown(Object sender, MouseEventArgs e)
        {
            if (AppManager.getEditMode() != EditMode.NONE)
            {
                return;
            }
            DraggableBButton btn = (DraggableBButton)sender;

            if (mMainWindow != null)
            {
                mMainWindow.BringToFront();
            }

            IconDynamicsHandle handle = btn.getHandle();
            VsqEvent           item   = new VsqEvent();

            item.Clock   = 0;
            item.ID.Note = 60;
            item.ID.type = VsqIDType.Aicon;
            item.ID.IconDynamicsHandle = (IconDynamicsHandle)handle.clone();
            int length = handle.getLength();

            if (length <= 0)
            {
                length = 1;
            }
            item.ID.setLength(length);
            AppManager.mAddingEvent = item;

            btn.DoDragDrop(handle, System.Windows.Forms.DragDropEffects.All);
        }