WPF ToolTip ToolTipService

FredGrit發表於2024-04-08
<Window x:Class="WpfApp47.MainWindow"
        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:WpfApp47"
        mc:Ignorable="d" WindowState="Maximized"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <ToolBar Grid.Row="0">
            <Button Content="Copy" FontSize="16" Margin="4" Padding="4" Command="Copy" ToolTip="Copy the selected text to the clipboard"/>
            <Button Content="Paste" FontSize="16" Margin="4" Padding="4" Command="Paste">
                <Button.ToolTip>
                    <ToolTip>
                        <Border CornerRadius="10" BorderThickness="2"
                                BorderBrush="Black" Padding="4" Background="LightBlue">
                            <Grid Width="120">
                                <TextBlock FontSize="15" TextWrapping="Wrap"
                                           Text="Paste text from the clipboard"/>
                            </Grid>
                        </Border>
                    </ToolTip>
                </Button.ToolTip>
            </Button>
            <Button Content="Undo" Command="Undo" FontSize="16" Margin="4" Padding="4"
                    ToolTipService.HasDropShadow="False">
                <Button.Resources>
                    <Style TargetType="ToolTip">
                        <Setter Property="Background" Value="Transparent"/>
                        <Setter Property="BorderBrush" Value="Transparent"/>
                    </Style>
                </Button.Resources>
                <Button.ToolTip>
                    <Border CornerRadius="10" BorderThickness="2" BorderBrush="Black"
                            Padding="4" Background="LightBlue">
                        <Grid>
                            <TextBlock FontSize="15" TextWrapping="Wrap"                                       
                                       Text="Undo the last action"/>
                        </Grid>
                    </Border>
                </Button.ToolTip>
            </Button>
        </ToolBar>
        <TextBox Grid.Row="1" AcceptsReturn="True" FontSize="14" 
                 VerticalScrollBarVisibility="Auto"
                 HorizontalScrollBarVisibility="Auto"/>
    </Grid>
</Window>

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