protected void OnPageDragStart(object sender, MouseEventArgs e)
{
// Save the current cursor value
_savedCursor = _tabControl.Cursor;
// Manager will create hot zones and draw dragging rectangle
_targetManager = new TargetManager(_tabbedGroups, this, _tabControl);
}
public TabGroupLeaf(TabbedGroups tabbedGroups, TabGroupBase parent)
: base(tabbedGroups, parent)
{
// Create our managed tab control instance
_tabControl = new Controls.TabControl();
// We need page drag to begin when mouse dragged a small distance
_tabControl.DragFromControl = false;
// We need to monitor attempts to drag into the tab control
_dragEntered = false;
_tabControl.AllowDrop = true;
_tabControl.DragDrop += new DragEventHandler(OnControlDragDrop);
_tabControl.DragEnter += new DragEventHandler(OnControlDragEnter);
_tabControl.DragLeave += new EventHandler(OnControlDragLeave);
// Need notification when page drag begins
_tabControl.PageDragStart += new MouseEventHandler(OnPageDragStart);
_tabControl.PageDragMove += new MouseEventHandler(OnPageDragMove);
_tabControl.PageDragEnd += new MouseEventHandler(OnPageDragEnd);
_tabControl.PageDragQuit += new MouseEventHandler(OnPageDragQuit);
// Hook into tab page collection events
_tabControl.TabPages.Cleared += new CollectionClear(OnTabPagesCleared);
_tabControl.TabPages.Inserted += new CollectionChange(OnTabPagesInserted);
_tabControl.TabPages.Removed += new CollectionChange(OnTabPagesRemoved);
// Hook into page level events
_tabControl.GotFocus += new EventHandler(OnGainedFocus);
_tabControl.PageGotFocus += new EventHandler(OnGainedFocus);
_tabControl.ClosePressed += new EventHandler(OnClose);
// Manager only created at start of drag operation
_targetManager = null;
// DefinePopupMenuForControl(_tabControl);
// Setup the correct 'HideTabsMode' for the control
Notify(TabGroupBase.NotifyCode.DisplayTabMode);
// Define the default setup of TabControl and allow developer to customize
_tabbedGroups.OnTabControlCreated(_tabControl);
}
protected void OnPageDragQuit(object sender, MouseEventArgs e)
{
// Give manager chance to cleanup
_targetManager.Quit();
// No longer need the manager
_targetManager = null;
// Restore the original cursor
_tabControl.Cursor = _savedCursor;
}