如何永久更改WPF GridViewColumnHeader夹持器光标？

我可以在Loaded、Initialized、MouseEnter事件处理程序中将其更改为SizeWE，但在调整列大小后，它会更改回默认值。尝试在MouseUp或DragCompleted事件处理程序中将其更改为SizeWE不起作用。当鼠标按钮在“调整大小”结束时释放时，光标将更改为默认值。在MouseEnter处理程序中完成SizeWE更改后，当鼠标退出并再次进入时，仍然可以，但问题就在调整大小之后

xaml：

---

一个根本的解决方案是在光标进入拇指时设置鼠标。覆盖鼠标或，并在光标离开时将其设置回原位：

<Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type GridViewColumnHeader}">
                    <Grid >
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="1" />
                        </Grid.ColumnDefinitions>
                        <Border Grid.Column="0"  x:Name="Border" BorderBrush="{TemplateBinding BorderBrush}" 
                BorderThickness="{TemplateBinding BorderThickness}"
                    Background="{TemplateBinding Background}">
                            <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" 
                              VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
                        </Border>
                        <Thumb MouseEnter="UIElement_OnMouseEnter" MouseLeave="UIElement_OnMouseLeave" Grid.Column="1" x:Name="PART_HeaderGripper" HorizontalAlignment="Right"  
                           Style="{DynamicResource GridView.ColumnHeader.Gripper.Style}"                                
                           Margin="-18,0, 0, 0"/>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>

---

那么，这就是您要找的吗？抱歉，不是。标题大小调整光标应该只出现在正确的位置。此解决方案使光标在标题中的任何位置都显示为调整大小的光标。所以它看起来像是调整大小，但像拖动一样（对列进行重新排序）。为什么不修改你的答案，将处理程序交给Thumb，而不是Grid，我接受并授予你奖金。这样看起来效果很好。正是你抓到我做的：））

    private void PART_HeaderGripper_MouseUp(object sender, MouseButtonEventArgs e)
    {
        Thumb gripper = (Thumb)sender;
        if (gripper != null)
        {
            gripper.Cursor = Cursors.SizeWE;
        }
    }
    private void PART_HeaderGripper_MouseEnter(object sender, MouseEventArgs e)
    {
        Thumb gripper = (Thumb)sender;
        if (gripper != null)
        {
            gripper.Cursor = Cursors.SizeWE;
        }
    }

<Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type GridViewColumnHeader}">
                    <Grid >
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="1" />
                        </Grid.ColumnDefinitions>
                        <Border Grid.Column="0"  x:Name="Border" BorderBrush="{TemplateBinding BorderBrush}" 
                BorderThickness="{TemplateBinding BorderThickness}"
                    Background="{TemplateBinding Background}">
                            <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" 
                              VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
                        </Border>
                        <Thumb MouseEnter="UIElement_OnMouseEnter" MouseLeave="UIElement_OnMouseLeave" Grid.Column="1" x:Name="PART_HeaderGripper" HorizontalAlignment="Right"  
                           Style="{DynamicResource GridView.ColumnHeader.Gripper.Style}"                                
                           Margin="-18,0, 0, 0"/>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>

private void UIElement_OnMouseEnter(object sender, MouseEventArgs e)
    {
        Mouse.OverrideCursor = Cursors.SizeWE;
    }

    private void UIElement_OnMouseLeave(object sender, MouseEventArgs e)
    {
        Mouse.OverrideCursor = null;
    }