问题原因:ItemTemplate的DataContext指代不明,需要改为父类的DataContext。 解决方法:使用RelativeSource关键字,手动指定DataComtext和Command。 <!--Command 调用无效--> <ButtonWidth="45" Command="{Binding cmdShowDetialView}" CommandParameter="{Binding ElementName=_dataGrid, Path=SelectedItem}" Content="细表"...
方案很简单。 1<DataGridItemsSource="{Binding Path=AccountStore}">2<DataGrid.Columns>3<DataGridTextColumnHeader="账户名称"Binding="{Binding Path=AccountName}"/>4<DataGridTemplateColumnHeader="相关操作">5<DataGridTemplateColumn.CellTemplate>6<DataTemplate>7<Button Command={Binding Path=Edit}>编辑</Butt...
应该是button绑定错误,Command="{Binding butCommand}"会默认查找ListViewItems中对象的属性,而你的ListViewItems中对象应该不包括butCommand属性,你可以尝试Command="{Binding DataContext.butCommand,RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Windows}}}"(假设最外层窗体为Windows)...
2 Button using ICommand does not get disabled? 3 WPF button command binding refreshed, but button still disabled 1 Why does my button with an ICommand binding not immediately appear disabled when clicked? 0 Why does the button stay enabled although CanExecute of bound command is fal...
TestItem.CommandParameter = string.Format("{0}:0x{1:X8}", MouseLeftButtonDownValid,controlId); TestItem.Command = MyRelayCommand; /*注意 这里为子菜单项添加鼠标右键按下事件,一定是PreviewMouseDown,mouseDown不能进入到MenuItem_MouseDown函数,至于为什么要这样,文章后面有说明*/ ...
例如,Button控件在单击时会触发绑定到它的命令。我希望在按下数字键盘按钮时达到同样的效果('1‘将触发"1“Button控件的Command,依此类推)。我找不到一种方法来做到这一点,所有的网站似乎都显示了多个其他选项,这些选项在这种情况下似乎是无效的。这是在控件(按钮)级别设置还是在整个窗口上设置?我该怎么做呢?
为了正确地响应Button,我们需要将4种东西粘合在一起,即ViewModel、Button、ValidationRules和DataGrid的模板...
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对于作为命令源的控制,你可以有其命令属性绑定到视图模型的 ICommand 属性。示例应用程序有两个按钮和菜单项绑定到的命令属性在 ViewModel 上: XML <ButtonToolTip="Search"VerticalAlignment="Center"Style="{StaticResource ButtonStyle}"Command="{Binding SearchCommand}"><ImageSource="Images\Search.png"></Image...