示例#1
0
        public Overlayer(HostFrame themainhost)
        {
            _themainhost = themainhost;  //默认被操作的是控件容器
            Rectangle r = _themainhost.Bounds;

            r              = _themainhost.Parent.RectangleToScreen(r);
            r              = this.RectangleToClient(r);
            _recter.Rect   = r;
            _recter.IsForm = true;
            InitializeComponent();
        }
示例#2
0
        public Overlayer _overlayer;//对父容器可见

        public DesignerControl()
        {
            InitializeComponent();
            _hostFrame          = new HostFrame();
            _hostFrame.TopLevel = false;  //当做子控件添加到设计面板
            _hostFrame.Location = new Point(10, 10);
            _hostFrame.Text     = "设计界面";
            Controls.Add(_hostFrame);
            _hostFrame.Show();

            _overlayer          = new Overlayer(_hostFrame);
            _overlayer.Location = new Point(0, 0);
            _overlayer.Dock     = DockStyle.Fill;
            Controls.Add(_overlayer);
            _overlayer.Show();
            _overlayer.BringToFront();                                         //将其设置Z轴最上,接受所有的用户操作,底层的其他控件无法接受用户输入。各位可以注释这条试一下,底层的其他控件(窗体)就能接受鼠标点击

            Application.AddMessageFilter(new MessageFilter(_hostFrame, this)); // 过滤控件容器中所有子控件的WM_PAINT消息 减少重绘操作
            SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer, true);
        }
示例#3
0
 public MessageFilter(HostFrame hostFrame, DesignerControl designer)
 {
     _thehost          = hostFrame;
     _theDesignerBoard = designer;
 }