如何在Infragistics ig网格中更改工具提示的宽度

<Window x:Class="MyApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:ig="http://schemas.infragistics.com/xaml/wpf"
        Title="MyApp" Height="450" Width="800">
    <Grid>
        <ig:XamGrid x:Name="myGrid" />
    </Grid>
</Window>

<Window.Resources>
    <Style x:Key="CustomToolTipStyle" TargetType="ToolTip">
        <Setter Property="Width" Value="400" /> <!-- 设置工具提示的宽度 -->
        <Setter Property="Background" Value="LightYellow" />
        <Setter Property="BorderBrush" Value="Black" />
        <Setter Property="BorderThickness" Value="1" />
    </Style>
</Window.Resources>

<ig:XamGrid x:Name="myGrid">
    <ig:XamGrid.ToolTip>
        <ToolTip Style="{StaticResource CustomToolTipStyle}">
            <!-- 在这里添加工具提示的内容 -->
        </ToolTip>
    </ig:Xam控件.ToolTip>
</ig:XamGrid>