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我们正在使用 Telerik 版本 = 2012.2.725.1050

在这里，我在更改 gridview 列的 DisplayIndex 时面临一个 gridview 问题

单击列，当单击左键焦点和列完美移动但当我们单击右键时，列移动但焦点未移动焦点必须移动。在这里我添加我的示例项目代码

在此先感谢您的帮助

在此处输入图像描述

<UserControl x:Class="GridTest.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation" xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk">

<Grid x:Name="LayoutRoot" Background="White">
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto" />           
        <RowDefinition Height="50" />
    </Grid.RowDefinitions>
    <telerik:RadGridView HorizontalAlignment="Left" x:Name="grdFormList" VerticalAlignment="Top" Grid.Column="0" Grid.Row="0" />        
    <StackPanel Orientation="Horizontal" Grid.Column="0" Grid.Row="1">
        <Button Content="Left" Height="23" HorizontalAlignment="Left"  Name="btnleft"  Width="75"   Margin="5,0,0,0" Click="btnleft_Click" />
        <Button Content="Right" Height="23" HorizontalAlignment="Left"  Name="btnright"  Width="75" Margin="5,0,0,0" Click="btnright_Click" />
    </StackPanel>
</Grid>


using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Telerik.Windows.Controls;
using Telerik.Windows.Controls.GridView;
using Telerik.Windows;
using System.ComponentModel;
using System.Globalization;
using System.Threading;


namespace GridTest
{
    public partial class MainPage : UserControl
    {
        public GridViewCellBase ClickedCell { get; set; }

        public MainPage()
        {
            InitializeComponent();
            this.grdFormList.AddHandler(GridViewCellBase.MouseLeftButtonDownEvent, new MouseButtonEventHandler(MouseDownOnCell), true);                

            grdFormList.Columns.Clear();
            for (Int32 attributelength = 0; attributelength < 10; attributelength++)
            {
                GridViewColumn textColumn = new GridViewColumn();
                // DataGridTextColumn textColumn = new DataGridTextColumn();
                textColumn.Header = string.Format("Column{0}", attributelength + 1);
                textColumn.UniqueName = string.Format("Uname{0}", attributelength + 1);
                textColumn.MinWidth = 5;
                textColumn.Width = 100;
                grdFormList.Columns.Add(textColumn);            
            }
        }
        private void MouseDownOnCell(object sender, MouseEventArgs args)
        {
            if (((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>() != null)
            {
                var aa = ((GridViewHeaderRow)(((GridViewCellBase)((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>()).ParentOfType<GridViewHeaderRow>())).Cells;

                for (int i = 0; i < aa.Count; i++)
                {
                    ((GridViewCellBase)aa[i]).Background = new SolidColorBrush(Colors.Transparent);
                }

                this.ClickedCell = null;
                this.ClickedCell = (GridViewCellBase)((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>();

                LinearGradientBrush brush = new LinearGradientBrush();
                brush.StartPoint = new Point(0.5, 0);
                brush.EndPoint = new Point(0.5, 1);

                GradientStop g1 = new GradientStop();
                g1.Color = Color.FromArgb(255, 227, 153, 54);
                brush.GradientStops.Add(g1);

                GradientStop g2 = new GradientStop();
                g2.Color = Color.FromArgb(255, 254, 211, 125);
                brush.GradientStops.Add(g2);

                ((GridViewCellBase)((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>()).Background = brush;
            }
        }


        private void btnleft_Click(object sender, RoutedEventArgs e)
        {
            if (ClickedCell != null)
            {
                if (ClickedCell.Column != null)
                {
                    int i = ClickedCell.Column.DisplayIndex;
                    if (i >= 1)
                    {
                        ClickedCell.Column.DisplayIndex = i - 1;
                    }
                }
            }
        }

        private void btnright_Click(object sender, RoutedEventArgs e)
        {
            if (ClickedCell != null)
            {
                if (ClickedCell.Column != null)
                {
                    int k = ClickedCell.Column.DisplayIndex;
                    if (k <= grdFormList.Columns.Count - 1)
                    {
                        ClickedCell.Column.DisplayIndex = k + 1;
                    }
                }
            }
        }
    }
}
4

1 回答 1

1

我正在使用 gridview 的 LayoutUpdated 事件并重新分配一个属性，它运行良好，但不知道这种方法是否正确

using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using Telerik.Windows.Controls;
using Telerik.Windows.Controls.GridView;


namespace GridTest
{
    public partial class MainPage : UserControl
    {
        public GridViewCellBase ClickedCell { get; set; }
        private GridViewHeaderRow GVHeaderRow { get; set; }
        private string CellHeader { get; set; }


        public MainPage()
        {
            InitializeComponent();

            this.DataContext = this;

            this.grdFormList.AddHandler(GridViewCellBase.MouseLeftButtonDownEvent, new MouseButtonEventHandler(MouseDownOnCell), true);

            grdFormList.Columns.Clear();
            for (Int32 attributelength = 0; attributelength < 10; attributelength++)
            {
                GridViewColumn textColumn = new GridViewColumn();
                // DataGridTextColumn textColumn = new DataGridTextColumn();
                textColumn.Header = string.Format("Column{0}", attributelength + 1);
                textColumn.UniqueName = string.Format("Uname{0}", attributelength + 1);
                textColumn.MinWidth = 5;
                textColumn.Width = 100;
                grdFormList.Columns.Add(textColumn);
            }
        }
        private void MouseDownOnCell(object sender, MouseEventArgs args)
        {
            if (((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>() != null)
            {
                var aa = ((GridViewHeaderRow)(((GridViewCellBase)((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>()).ParentOfType<GridViewHeaderRow>())).Cells;
                GVHeaderRow = ((GridViewHeaderRow)(((GridViewCellBase)((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>()).ParentOfType<GridViewHeaderRow>()));

                for (int i = 0; i < aa.Count; i++)
                {
                    ((GridViewCellBase)aa[i]).Background = new SolidColorBrush(Colors.Transparent);
                }

                this.ClickedCell = null;
                this.ClickedCell = (GridViewCellBase)((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>();

                CellHeader = ClickedCell.Column.Header.ToString();

                LinearGradientBrush brush = new LinearGradientBrush();
                brush.StartPoint = new Point(0.5, 0);
                brush.EndPoint = new Point(0.5, 1);

                GradientStop g1 = new GradientStop();
                g1.Color = Color.FromArgb(255, 227, 153, 54);
                brush.GradientStops.Add(g1);

                GradientStop g2 = new GradientStop();
                g2.Color = Color.FromArgb(255, 254, 211, 125);
                brush.GradientStops.Add(g2);

                ((GridViewCellBase)((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>()).Background = brush;
            }
        }


        private void btnleft_Click(object sender, RoutedEventArgs e)
        {
            if (ClickedCell != null)
            {
                if (ClickedCell.Column != null)
                {
                    int i = ClickedCell.Column.DisplayIndex;
                    if (i >= 1)
                    {
                        ClickedCell.Column.DisplayIndex = i - 1;
                    }
                }
            }
        }

        private void btnright_Click(object sender, RoutedEventArgs e)
        {
            if (ClickedCell != null)
            {
                if (ClickedCell.Column != null)
                {
                    int k = ClickedCell.Column.DisplayIndex;
                    if (k < grdFormList.Columns.Count - 1)
                    {
                        ClickedCell.Column.DisplayIndex = k + 1;
                    }
                }
            }
        }

        private void grdFormList_LayoutUpdated(object sender, EventArgs e)
        {
            if (GVHeaderRow != null)
            {
                var aa = GVHeaderRow.Cells;
                for (int i = 0; i < aa.Count; i++)
                {
                    ((GridViewCellBase)aa[i]).Background = new SolidColorBrush(Colors.Transparent);
                }

                ////this.ClickedCell = null;
                ////this.ClickedCell = (GridViewCellBase)((UIElement)args.OriginalSource).ParentOfType<GridViewCellBase>();

                LinearGradientBrush brush = new LinearGradientBrush();
                brush.StartPoint = new Point(0.5, 0);
                brush.EndPoint = new Point(0.5, 1);

                GradientStop g1 = new GradientStop();
                g1.Color = Color.FromArgb(255, 227, 153, 54);
                brush.GradientStops.Add(g1);

                GradientStop g2 = new GradientStop();
                g2.Color = Color.FromArgb(255, 254, 211, 125);
                brush.GradientStops.Add(g2);

                ClickedCell = null;
                ClickedCell = GVHeaderRow.Cells.Where(a => a.Column.Header.ToString() == CellHeader).ToList()[0];

                ClickedCell.Background = brush;
            }
        }
    }
}
于 2013-05-24T06:39:54.730 回答