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我正在尝试在 WPF MVVM 中创建一个数据网格,其中包含带有信息的行,而 Columns 是一个DataGridCheckBoxColumn代表Boolean属性。

我希望能够单击一个复选框并一键将其更改为“已选中”。我还想禁用选择行的选项,并禁用更改其他列中其他内容的选项。

请指教。

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2 回答 2

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使用这个答案作为起点:How to perform Single click checkbox selection in WPF DataGrid?

我做了一些修改并结束了这个:

WPF:

<DataGrid.Resources>
  <Style TargetType="{x:Type DataGridRow}">
    <EventSetter Event="PreviewMouseLeftButtonDown" Handler="DataGridRow_PreviewMouseLeftButtonDown"/>
  </Style>
  <Style TargetType="{x:Type DataGridCell}">
    <EventSetter Event="PreviewMouseLeftButtonDown" Handler="DataGridCell_PreviewMouseLeftButtonDown"/>
  </Style>
</DataGrid.Resources>

后面的代码:

    private void DataGridRow_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
    {
        DataGridRow row = sender as DataGridRow;
        if (row == null) return;
        if (row.IsEditing) return;
        if (!row.IsSelected) row.IsSelected = true; // you can't select a single cell in full row select mode, so instead we have to select the whole row
    }

    private void DataGridCell_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
    {
        DataGridCell cell = sender as DataGridCell;
        if (cell == null) return;
        if (cell.IsEditing) return;
        if (!cell.IsFocused) cell.Focus(); // you CAN focus on a single cell in full row select mode, and in fact you HAVE to if you want single click editing.
        //if (!cell.IsSelected) cell.IsSelected = true; --> can't do this with full row select.  You HAVE to do this for single cell selection mode.
    }

试试看,看看它是否符合您的要求。

于 2013-11-15T18:15:08.983 回答
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DataGridCheckBoxColumn 默认以这种方式工作。第一次单击选择行或单元格,第二次单击更改复选框状态。有时需要:例如,当您需要在使用复选框之前调用选择更改事件时。为了创建一个复选框列,其中复选框在第一次单击时更改,最好使用 DataGridTemplateColumn 和 CheckBox 作为单元格模板:

                            <DataGridTemplateColumn Header="ChBoxColumn">
                                <DataGridTemplateColumn.CellTemplate>
                                    <DataTemplate>
                                        <CheckBox Checked="CheckBox_Checked" Unchecked="CheckBox_Unchecked" HorizontalAlignment="Center" VerticalAlignment="Center"></CheckBox>
                                    </DataTemplate>
                                </DataGridTemplateColumn.CellTemplate>
                            </DataGridTemplateColumn>
于 2020-10-12T15:57:17.087 回答