使用样式更改按钮工具提示 - WPF [英] Change button tooltip with style - WPF

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问题描述

嗨。我有一个DataGrid加载了一个具有属性bool IsAutomaticSell的对象列表。我需要在更改值时，更新该行按钮
的工具提示。我有以下代码但它不起作用。 Thx 

< DataGridTextColumn Header =" Code" 
 Binding =" {Binding Code}" /> 
< DataGridTemplateColumn Header =" Actions" 
 Width =" 150"> 
< DataGridTemplateColumn.CellTemplate> 
< DataTemplate> 
< StackPanel Orientation =" Horizo​​ntal" 
 Horizo​​ntalAlignment =" Center"> 
< Button Command =" {Binding DataContext.AutomaticSellCommand，
 RelativeSource = {RelativeSource FindAncestor，AncestorType = {x：Type DataGrid}}}" 
 CommandParameter =" {Binding}" 
 Padding =" 10" 
 Margin =" 0,2,2,2"> 
< iconPacks：PackIconModern Kind =" CurrencyDollar" /> 
< Button.Style> 
< Style TargetType =" {x：Type Button}" 
 BasedOn =" {StaticResource AccentedSquareButtonStyle}" 
< Setter Property =" ToolTip" 
 Value =" DEFAULT_TOOLTIP" /> 
< Style.Triggers> 
< DataTrigger Binding =" {Binding IsAutomaticSell，UpdateSourceTrigger = PropertyChanged}" 
值=" True"> 
< Setter Property =" ToolTip" 
 Value =" NEW_TOOLTIP" /> 
< / DataTrigger> 
< /Style.Triggers> 
< / Style> 
< /Button.Style> 
< / Button> 
< / StackPanel> 
< / DataTemplate> 
< /DataGridTemplateColumn.CellTemplate> 
< / DataGridTemplateColumn> 



 public ICommand AutomaticSellCommand => _automaticSellCommand ?? 
（_automaticSellCommand = new RelayCommand< OrderStatusDataWrapper>（AutomaticSell））; 
 
 private static void AutomaticSell（OrderStatusDataWrapper orderStatusData）
 {
 orderStatusData.IsAutomaticSell =！orderStatusData.IsAutomaticSell; 
}





解决方案

嗨HajimeSaito ，


因为代码不完整，我无法在我身边重现这个问题，但我创建了一个简单的演示，如下所示，这很好。


#XAML 

< Window x：Class =" ColeWPFSample.DataGridSample.Window2" 
 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" 
 xmlns：local =" clr-namespace：ColeWPFSample.DataGridSample" 
 mc：Ignorable =" d" 
 Title =" Window2"高度= QUOT; 450"宽度= QUOT; 800"> 
< Grid> 
< StackPanel> 
< DataGrid Name =" grid1" ItemsSource =" {Binding WindowModels}"的AutoGenerateColumns = QUOT假QUOT;> 
< DataGrid.Columns> 
< DataGridTextColumn Header =" Code" Binding =" {Binding Code}" /> 
< DataGridTemplateColumn Header =" Actions"宽度= QUOT; 150"> 
< DataGridTemplateColumn.CellTemplate> 
< DataTemplate> 
< StackPanel Orientation =" Horizo​​ntal"的Horizo​​ntalAlignment = QUOT;中心"> 
< Button Command =" {Binding DataContext.AutomaticSellCommand，
 RelativeSource = {RelativeSource FindAncestor，AncestorType = {x：Type DataGrid}}}" 
 CommandParameter =" {Binding}" 
 Padding =" 10" 
 Margin =" 0,2,2,2"> 
 
< Button.Style> 
< Style TargetType =" {x：Type Button}" > 
< Setter Property =" ToolTip"值= QUOT; DEFAULT_TOOLTIP" /> 
< Style.Triggers> 
< DataTrigger Binding =" {Binding IsAutomaticSell，UpdateSourceTrigger = PropertyChanged}"值= QUOT;真"> 
< Setter Property =" ToolTip"值= QUOT; NEW_TOOLTIP" /> 
< / DataTrigger> 
< /Style.Triggers> 
< / Style> 
< /Button.Style> 
< / Button> 
< / StackPanel> 
< / DataTemplate> 
< /DataGridTemplateColumn.CellTemplate> 
< / DataGridTemplateColumn> 
< /DataGrid.Columns> 
< / DataGrid> 
< / StackPanel> 
< / Grid> 
< / Window>

#Code Behind 

使用System.Windows; 
 
 namespace ColeWPFSample.DataGridSample 
 {
 ///< summary> 
 /// Window2.xaml的互动逻辑
 ///< / summary> 
 public partial class Window2：Window 
 {
 public Window2（）
 {
 InitializeComponent（）; 
 
 this.DataContext = new Window2ViewModel（）; 
} 
} 
}


#ViewModel 

使用GalaSoft.MvvmLight.Command; 
使用Prism.Mvvm; 
使用System.Collections.Generic; 
使用System.Collections.ObjectModel; 
使用System.Windows.Input; 
 
 
 namespace ColeWPFSample.DataGridSample 
 {
 public class Window2ViewModel 
 {
 private RelayCommand< OrderStatusDataWrapper> _automaticSellCommand; 
 
 
 public ObservableCollection< OrderStatusDataWrapper> WindowModels {get;组; } 
 public ICommand AutomaticSellCommand => _automaticSellCommand ?? 
（_automaticSellCommand = new RelayCommand< OrderStatusDataWrapper>（AutomaticSell））; 
 
 private static void AutomaticSell（OrderStatusDataWrapper orderStatusData）
 {
 orderStatusData.IsAutomaticSell =！orderStatusData.IsAutomaticSell; 
} 
 public Window2ViewModel（）
 {
 List< OrderStatusDataWrapper> list = new List< OrderStatusDataWrapper>（）{
 new OrderStatusDataWrapper（）{Id = 1，Code =" Test1"，IsAutomaticSell = false}，
 new OrderStatusDataWrapper（）{Id = 2，Code = " Test2"，IsAutomaticSell = false}，
 new OrderStatusDataWrapper（）{Id = 3，Code =" Test3"，IsAutomaticSell = true}，
 new OrderStatusDataWrapper（）{Id = 4，Code = " Test4"，IsAutomaticSell = false}，
 new OrderStatusDataWrapper（）{Id = 5，Code =" Test5"，IsAutomaticSell = false} 
}; 
 
 WindowModels = new ObservableCollection< OrderStatusDataWrapper>（list）; 
} 
} 
 
公共类OrderStatusDataWrapper：BindableBase 
 {
 private int _id; 
 private string _code; 
 private bool _isAutomaticSell; 
 public int Id 
 {
 get 
 {
 return _id; 
} 
设置
 {
 if（_id！= value）
 {
 _id = value; 
 RaisePropertyChanged（" Id"）; 
} 
} 
} 
公共字符串代码
 {
 get 
 {
 return _code; 
} 
设置
 {
 if（_code！= value）
 {
 _code = value; 
 RaisePropertyChanged（" Id"）; 
} 
} 
} 
 public bool IsAutomaticSell 
 {
 get 
 {
 return _isAutomaticSell; 
} 
设置
 {
 if（_isAutomaticSell！= value）
 {
 _isAutomaticSell = value; 
 RaisePropertyChanged（" IsAutomaticSell"）; 
} 
} 
} 
} 
}





祝你好运，


张龙

p>

Hi. I have a DataGrid loaded with a list of objects that have a property bool IsAutomaticSell. I need that when changing the value, the tooltip of the button of that row is updated. I have the following code but it does not work. Thx

<DataGridTextColumn Header="Code"
					Binding="{Binding Code}" />
<DataGridTemplateColumn Header="Actions"
						Width="150">
	<DataGridTemplateColumn.CellTemplate>
		<DataTemplate>
			<StackPanel Orientation="Horizontal"
						HorizontalAlignment="Center">
				<Button Command="{Binding DataContext.AutomaticSellCommand,
						RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}}"
						CommandParameter="{Binding}"
						Padding="10"
						Margin="0,2,2,2">
					<iconPacks:PackIconModern Kind="CurrencyDollar" />
					<Button.Style>
						<Style TargetType="{x:Type Button}"
							   BasedOn="{StaticResource AccentedSquareButtonStyle}">
							<Setter Property="ToolTip"
									Value="DEFAULT_TOOLTIP" />
							<Style.Triggers>
								<DataTrigger Binding="{Binding IsAutomaticSell, UpdateSourceTrigger=PropertyChanged}"
											 Value="True">
									<Setter Property="ToolTip"
											Value="NEW_TOOLTIP" />
								</DataTrigger>
							</Style.Triggers>
						</Style>
					</Button.Style>
				</Button>
			</StackPanel>
		</DataTemplate>
	</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>


public ICommand AutomaticSellCommand => _automaticSellCommand ??
						 (_automaticSellCommand = new RelayCommand<OrderStatusDataWrapper>(AutomaticSell));
		
private static void AutomaticSell(OrderStatusDataWrapper orderStatusData)
{
	orderStatusData.IsAutomaticSell = !orderStatusData.IsAutomaticSell;
}



解决方案

Hi HajimeSaito,

Because the code is not complete, I could not reproduce the issue on my side, but I create a simple demo as below, which works fine.

#XAML

<Window x:Class="ColeWPFSample.DataGridSample.Window2"
        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"
        xmlns:local="clr-namespace:ColeWPFSample.DataGridSample"
        mc:Ignorable="d"
        Title="Window2" Height="450" Width="800">
    <Grid>
        <StackPanel>
            <DataGrid Name="grid1" ItemsSource="{Binding WindowModels}" AutoGenerateColumns="False">
                <DataGrid.Columns>
                    <DataGridTextColumn Header="Code" Binding="{Binding Code}" />
                    <DataGridTemplateColumn Header="Actions" Width="150">
                        <DataGridTemplateColumn.CellTemplate>
                            <DataTemplate>
                                <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                                    <Button Command="{Binding DataContext.AutomaticSellCommand,
						                RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}}"
						                CommandParameter="{Binding}"
						                Padding="10"
						                Margin="0,2,2,2">   

                                        <Button.Style>
                                            <Style TargetType="{x:Type Button}" >
                                                <Setter Property="ToolTip" Value="DEFAULT_TOOLTIP" />
                                                <Style.Triggers>
                                                    <DataTrigger Binding="{Binding IsAutomaticSell, UpdateSourceTrigger=PropertyChanged}" Value="True">
                                                        <Setter Property="ToolTip" Value="NEW_TOOLTIP" />
                                                    </DataTrigger>
                                                </Style.Triggers>
                                            </Style>
                                        </Button.Style>
                                    </Button>
                                </StackPanel>
                            </DataTemplate>
                        </DataGridTemplateColumn.CellTemplate>
                    </DataGridTemplateColumn>
                </DataGrid.Columns>
            </DataGrid>
        </StackPanel>
    </Grid>
</Window>

#Code Behind

using System.Windows;

namespace ColeWPFSample.DataGridSample
{
    /// <summary>
    /// Interaction logic for Window2.xaml
    /// </summary>
    public partial class Window2 : Window
    {
        public Window2()
        {
            InitializeComponent();

            this.DataContext = new Window2ViewModel();
        }
    }
}

#ViewModel

using GalaSoft.MvvmLight.Command;
using Prism.Mvvm;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Windows.Input;


namespace ColeWPFSample.DataGridSample
{
    public class Window2ViewModel 
    {
        private RelayCommand<OrderStatusDataWrapper> _automaticSellCommand;


        public ObservableCollection<OrderStatusDataWrapper> WindowModels { get; set; }
        public ICommand AutomaticSellCommand => _automaticSellCommand ??
                         (_automaticSellCommand = new RelayCommand<OrderStatusDataWrapper>(AutomaticSell));

        private static void AutomaticSell(OrderStatusDataWrapper orderStatusData)
        {
            orderStatusData.IsAutomaticSell = !orderStatusData.IsAutomaticSell;
        }
        public Window2ViewModel()
        {
            List<OrderStatusDataWrapper> list = new List<OrderStatusDataWrapper>() {
                new OrderStatusDataWrapper(){ Id =1 , Code = "Test1", IsAutomaticSell = false},
                new OrderStatusDataWrapper(){ Id =2 , Code = "Test2", IsAutomaticSell = false},
                new OrderStatusDataWrapper(){ Id =3 , Code = "Test3", IsAutomaticSell = true},
                new OrderStatusDataWrapper(){ Id =4 , Code = "Test4", IsAutomaticSell = false},
                new OrderStatusDataWrapper(){ Id =5 , Code = "Test5", IsAutomaticSell = false}
            };

            WindowModels = new ObservableCollection<OrderStatusDataWrapper>(list);
        }
    }

    public class OrderStatusDataWrapper : BindableBase
    {
        private int _id;
        private string _code;
        private bool _isAutomaticSell;
        public int Id
        {
            get
            {
                return _id;
            }
            set
            {
                if (_id != value)
                {
                    _id = value;
                    RaisePropertyChanged("Id");
                }
            }
        }
        public string Code
        {
            get
            {
                return _code;
            }
            set
            {
                if (_code != value)
                {
                    _code = value;
                    RaisePropertyChanged("Id");
                }
            }
        }
        public bool IsAutomaticSell
        {
            get
            {
                return _isAutomaticSell;
            }
            set
            {
                if (_isAutomaticSell != value)
                {
                    _isAutomaticSell = value;
                    RaisePropertyChanged("IsAutomaticSell");
                }
            }
        }
    }
}


Best regards,

Zhanglong


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