在做的一个c#的项目中发现Datagrid没办法直接对鼠标单击进行响应,调用MouseDown事件也需要点击某一行第二次才能响应。所以借助EventSetter来简单的实现了一个。
界面部分的代码
<DataGrid x:Name="dataGrid" HorizontalAlignment="Left" Margin="10,38,0,0" VerticalAlignment="Top" Height="257" FontSize="13.333" AutoGenerateColumns="False" AlternationCount="2" CanUserAddRows="False" MinWidth="504" Width="513" SelectionUnit="FullRow"> <DataGrid.RowStyle> <Style TargetType="DataGridRow"> <EventSetter Event="GotFocus" Handler="Item_GotFocus"/> </Style> </DataGrid.RowStyle> <DataGrid.Columns> <DataGridCheckBoxColumn /> <DataGridTextColumn Header="歌曲名" Width="200" Binding="{Binding Path=Title}" IsReadOnly="True"/> <DataGridTextColumn Header="艺术家" Width="127" Binding="{Binding Path=Artist}" IsReadOnly="True"/> <DataGridTextColumn Header="专辑" Width="140" Binding="{Binding Path=Album}" IsReadOnly="True"/> </DataGrid.Columns> </DataGrid>
对应的c#的代码
private void Item_GotFocus(object sender, RoutedEventArgs e) { var item = (DataGridRow)sender; FrameworkElement objElement = dataGrid.Columns[0].GetCellContent(item); if (objElement != null) { CheckBox objChk = (CheckBox)objElement; objChk.IsChecked = !objChk.IsChecked; } }
附上用mousedown事件的代码
private void DataGrid_MouseDown(object sender, MouseButtonEventArgs e) { if (e.LeftButton == MouseButtonState.Pressed) { var se = dataGrid.SelectedItem; FrameworkElement objElement = dataGrid.Columns[0].GetCellContent(se); if (objElement != null) { CheckBox objChk = (CheckBox)objElement; objChk.IsChecked = !objChk.IsChecked; } } }
需要在这个界面的构造函数中添加
dataGrid.MouseDown += DataGrid_MouseDown;
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再附上一个效果图