Question

在我的WPF应用程序中，Toolbar中以下XAML的{{1}}按钮显示ToolTip，而不是Paste按钮显示。问题：为什么会发生这种情况，我们如何解决？

Copy

Answer 1

要显示命令绑定按钮的工具提示，请设置 ToolTipService.ShowOnDisabled =“ True”

<DockPanel Name="mainPanel" VerticalAlignment="Top">       
<ToolBar Name="mainToolBar" Height="30" DockPanel.Dock="Top">
    <Button Style="{StaticResource formatImageStyle}" Command="ApplicationCommands.Copy"  ToolTip="Copy" ToolTipService.ShowOnDisabled="True">
        <Image Source="C:\Users\mcpl\Documents\Visual Studio 2015\Projects\TestApplication\TestApplication\Images\Add.png"></Image>
    </Button>
    <Button Style="{StaticResource formatImageStyle}" Command="ApplicationCommands.Paste"  ToolTip="Paste" ToolTipService.ShowOnDisabled="True">
        <Image Source="C:\Users\mcpl\Documents\Visual Studio 2015\Projects\TestApplication\TestApplication\Images\edit.png"></Image>
    </Button>
</ToolBar>

Answer 2

尝试使用CommandBinding

<ToolBar Name="mainToolBar" Height="30" DockPanel.Dock="Top">
                <Button Style="{StaticResource formatImageStyle}"  ToolTip="Copy">
                    <Button.CommandBindings>
                        <CommandBinding Command="ApplicationCommands.Copy"  />
                    </Button.CommandBindings>
                    <Image Source="C:\Users\heruvath\Desktop\user-48.png"></Image>
                </Button>
                <Button Style="{StaticResource formatImageStyle}"  ToolTip="Paste">
                    <Button.CommandBindings>
                        <CommandBinding Command="ApplicationCommands.Paste"  />
                    </Button.CommandBindings>
                    <Image Source="C:\Users\heruvath\Desktop\user-48.png"></Image>
                </Button>

            </ToolBar>

WPF工具栏-为什么一个按钮显示工具提示，而不显示另一个？

2 个答案: