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问题描述：如何创建一个支持垂直导航的自定义GridControl？

解决方法：

C#

using System;
using System.Collections.Generic;
using System.Linq;
using DevExpress.XtraGrid;
using DevExpress.XtraEditors;
using DevExpress.XtraGrid.Views.Base;
using DevExpress.XtraGrid.Registrator;
using VerticalDataNavigator.Navigator;

namespace VerticalDataNavigator
{

    [System.ComponentModel.DesignerCategory("")]
    public class CustomGridControl : GridControl
    {


        protected override ControlNavigator CreateEmbeddedNavigator()
        {
            ExtendedDataNavigator nav = new ExtendedDataNavigator(this);
            nav.SizeChanged += OnEmbeddedNavigator_SizeChanged;
            return nav;
        }


        protected override void RegisterAvailableViewsCore(InfoCollection collection)
        {
            base.RegisterAvailableViewsCore(collection);
            collection.Add(new CustomGridViewInfoRegistrator());
        }


        public NavigatorOrientation EmbeddedNavigatorOrientation
        {
            get { return (EmbeddedNavigator as ExtendedDataNavigator).NavigatorOrientation; }
            set
            {
                ExtendedDataNavigator customizableNavigator = EmbeddedNavigator as ExtendedDataNavigator;


                if (value != customizableNavigator.NavigatorOrientation)
                {
                    customizableNavigator.NavigatorOrientation = value;
                    Invalidate();
                }
            }
        }
    }
}

VB.NET

Imports Microsoft.VisualBasic
Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports DevExpress.XtraGrid
Imports DevExpress.XtraEditors
Imports DevExpress.XtraGrid.Views.Base
Imports DevExpress.XtraGrid.Registrator
Imports VerticalDataNavigator.Navigator
Namespace VerticalDataNavigator
    <System.ComponentModel.DesignerCategory("")> _
    Public Class CustomGridControl
        Inherits GridControl
        Protected Overrides Function CreateEmbeddedNavigator() As ControlNavigator
            Dim nav As New ExtendedDataNavigator(Me)
            AddHandler nav.SizeChanged, AddressOf OnEmbeddedNavigator_SizeChanged
            Return nav
        End Function
        Protected Overrides Sub RegisterAvailableViewsCore(ByVal collection As InfoCollection)
            MyBase.RegisterAvailableViewsCore(collection)
            collection.Add(New CustomGridViewInfoRegistrator())
        End Sub
        Public Property EmbeddedNavigatorOrientation() As NavigatorOrientation
            Get
                Return (TryCast(EmbeddedNavigator, ExtendedDataNavigator)).NavigatorOrientation
            End Get
            Set(ByVal value As NavigatorOrientation)
                Dim customizableNavigator As ExtendedDataNavigator = TryCast(EmbeddedNavigator, ExtendedDataNavigator)
                If value <> customizableNavigator.NavigatorOrientation Then
                    customizableNavigator.NavigatorOrientation = value
                    Invalidate()
                End If
            End Set
        End Property
    End Class
End Namespace