在 WPF 中的 dataGridCells 上设置填充
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Set a padding on dataGridCells in WPF
提问by David
simple question: How can I set a padding on a dataGridCell in WPF? (either one at a time or on all cells, I don't care)
简单的问题：如何在 WPF 中的 dataGridCell 上设置填充？（一次一个或在所有单元格上，我不在乎）
I have tried using the DataGrid.CellStyleproperty by adding a setter on the DataGridCell.Paddingproperty as well as using the DataGridColumn.CellStyleproperty in the same way with no effect.
我已经尝试通过在DataGrid.CellStyle属性上添加一个 setterDataGridCell.Padding以及以DataGridColumn.CellStyle相同的方式使用该属性而没有效果来使用该属性。
I also tried using the DataGridColumn.ElementStyleproperty with no more luck.
我也尝试使用该DataGridColumn.ElementStyle属性，但没有更多运气。
I'm kind of stuck there, has anyone managed to get a padding applied on a dataGridCell?
我有点卡在那里，有没有人设法在 dataGridCell 上应用填充？
NB: I'll add that no, I cannot use transparent borders to do this, since I already use the border properties for something else. I also cannot use the margin property (which seems to work, surprisingly enough) as I use the background property and I don't want any "blank" space between my cells.
注意：我要补充一点，不，我不能使用透明边框来执行此操作，因为我已经将边框属性用于其他用途。我也不能使用 margin 属性（这似乎有效，令人惊讶的是），因为我使用了 background 属性并且我不希望我的单元格之间有任何“空白”空间。
回答by Fredrik Hedblad
The problem is that the Paddingisn't transfered to the Borderthat's in the Template for DataGridCell. You can edit the Template and add the TemplateBinding for Padding
问题是Padding没有转移到Border模板中的DataGridCell. 您可以编辑模板并添加模板绑定Padding
<DataGrid ...>
<DataGrid.CellStyle>
<Style TargetType="DataGridCell">
<Setter Property="Padding" Value="20"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type DataGridCell}">
<Border Padding="{TemplateBinding Padding}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</DataGrid.CellStyle>
<!--...-->
</DataGrid>
回答by Scott Brickey
Here's a cleaner method (my opinion) that combines the approach from David
这是一个更简洁的方法（我的意见），它结合了 David 的方法
<Resources>
<Style x:Key="ColumnElementStyle" TargetType="TextBlock">
<Setter Property="Margin" Value="5,0,10,0" />
</Style>
</Resources>
then...
然后...
<DataGridTextColumn ElementStyle="{StaticResource ColumnElementStyle}" />
<DataGridTextColumn ElementStyle="{StaticResource ColumnElementStyle}" />
(in my case, my rows are readonly, so no EditingStyle)
（在我的情况下，我的行是只读的，所以没有 EditingStyle）
回答by David
Almost 5 years later, since this question seems to still be of use (it is still getting upvotes) and since it has been requested, here is the solution I used (with the ElementStyle) on a TextColumn (but you can do the same for any type of DataGridColumn):
差不多 5 年后，由于这个问题似乎仍然有用（它仍然得到了投票）并且因为它已被请求，这里是我在 TextColumn 上使用的解决方案（使用 ElementStyle）（但您可以为任何类型的 DataGridColumn）：
I did it all in code behind:
我在后面的代码中完成了这一切：
class MyTextColumn : DataGridTextColumn
{
public MyTextColumn()
{
ElementStyle = new Style(typeof(TextBlock));
EditingElementStyle = new Style(typeof(TextBox));
ElementStyle.Setters.Add(new Setter(FrameworkElement.MarginProperty, new Thickness(3)));
EditingElementStyle.Setters.Add(new Setter(Control.PaddingProperty, new Thickness(0, 1, 0, 1)));
}
}
But if you want to do it directly in xaml:
但是如果你想直接在 xaml 中进行：
<DataGrid.Columns>
<DataGridTextColumn>
<DataGridTextColumn.ElementStyle>
<Style TargetType="TextBlock">
<Setter Property="Margin" Value="3"/>
</Style>
</DataGridTextColumn.ElementStyle>
<DataGridTextColumn.EditingElementStyle>
<Style TargetType="TextBox">
<Setter Property="Padding" Value="0 1 0 1"/>
</Style>
</DataGridTextColumn.EditingElementStyle>
</DataGridTextColumn>
</DataGrid.Columns>
回答by Raj
<DataGrid.Columns>
<DataGridTextColumn MinWidth="100" Header="Changed by" Width="" Binding="{Binding Changedby}" IsReadOnly="True" >
<DataGridTextColumn.CellStyle>
<Style TargetType="DataGridCell">
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="Background" Value="Transparent" />
<Setter Property="FrameworkElement.HorizontalAlignment"Value="Center"/>
</Style>
</DataGridTextColumn.CellStyle>
</DataGridTextColumn>
回答by Jacob
You could also try changing
你也可以尝试改变
{Binding BindingValue, StringFormat={}{0:#0.0000}}
to
到
{Binding BindingValue, StringFormat={}{0:#0.0000 }}
Interestingly enough WPF's XAML {0:#0.0000 } will honor this extra space character in the format of the rendered control to move your values off of the edge of your grid columns.
有趣的是，WPF 的 XAML {0:#0.0000} 将以呈现控件的格式尊重这个额外的空格字符，以将您的值从网格列的边缘移开。
