前端代码：
<UserControl.Resources>
<Style x:Key="Num_Button_Style" TargetType="Button">
<Setter Property="MinWidth" Value="30" />
<Setter Property="Height" Value="35" />
<Setter Property="Margin" Value="0" />
<Setter Property="VerticalContentAlignment" Value="Center" />
<Setter Property="HorizontalContentAlignment" Value="Center" />
<Setter Property="FontSize" Value="16" />
<Setter Property="Foreground" Value="White" />
<Setter Property="BorderThickness" Value="0" />
<Setter Property="Background" Value="#12D269" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Button">
<Border
x:Name="border"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
SnapsToDevicePixels="True">
<TextBlock
HorizontalAlignment="Center"
VerticalAlignment="Center"
FontSize="{TemplateBinding FontSize}"
Foreground="{TemplateBinding Foreground}"
Text="{TemplateBinding Content}" />
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="border" Property="Background" Value="#4662D9" />
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter TargetName="border" Property="Background" Value="#4662D9" />
</Trigger>
<Trigger Property="IsEnabled" Value="False">
<Setter TargetName="border" Property="Background" Value="#7Ec0EE" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="btnStyle" TargetType="Button">
<Setter Property="Foreground" Value="#12D269" />
<Setter Property="Width" Value="20" />
<Setter Property="Height" Value="35" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border
Name="PART_Background"
Background="Transparent"
BorderBrush="#12D269"
BorderThickness="1,1,0,1"
CornerRadius="3,0,0,3">
<ContentPresenter
HorizontalAlignment="Center"
VerticalAlignment="Center"
Content="{TemplateBinding ContentControl.Content}" />
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="FontWeight" Value="Bold" />
<Setter Property="Cursor" Value="Hand" />
<Setter Property="Foreground" Value="Black" />
</Trigger>
</Style.Triggers>
</Style>
</UserControl.Resources>
<Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="1*" />
<ColumnDefinition Width="3*" />
<ColumnDefinition Width="1*" />
</Grid.ColumnDefinitions>
<Button
x:Name="up"
Grid.Column="2"
Command="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:NumericUpDown}, Path=UpCommand}"
CommandParameter="{Binding}"
Content="+"
Style="{StaticResource btnStyle}">
<Button.Template>
<ControlTemplate TargetType="{x:Type Button}">
<Border
Name="PART_Background"
Background="Transparent"
BorderBrush="#12D269"
BorderThickness="0,1,1,1"
CornerRadius="0,3,3,0">
<ContentPresenter
HorizontalAlignment="Center"
VerticalAlignment="Center"
Content="{TemplateBinding ContentControl.Content}" />
</Border>
</ControlTemplate>
</Button.Template>
</Button>
<Button
Grid.Column="1"
MinWidth="50"
Command="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:NumericUpDown}, Path=ConfirmCommand}"
CommandParameter="{Binding}"
Content="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:NumericUpDown}, Path=Text, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
Style="{StaticResource Num_Button_Style}" />
<Button
x:Name="down"
Grid.Column="0"
Command="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:NumericUpDown}, Path=DownCommand}"
CommandParameter="{Binding}"
Content="-"
Style="{StaticResource btnStyle}" />
</Grid>
</UserControl>后台注册的 属性及事件：
public string Text
{
get { return (string)GetValue(TextProperty); }
set { SetValue(TextProperty, value); }
}
public static readonly DependencyProperty TextProperty =
DependencyProperty.Register("Text", typeof(string), typeof(NumericUpDown), new PropertyMetadata(default(string)));
private void Button_PreviewKeyDown(object sender, System.Windows.Input.KeyEventArgs e)
{
if (e.Key == Key.Enter)
{
e.Handled = true; // 禁用回车键
}
}
public object CommandParameter
{
get
{
return GetValue(CommandParameterProperty);
}
set
{
SetValue(CommandParameterProperty, value);
}
}
public static readonly DependencyProperty CommandParameterProperty =
DependencyProperty.Register("CommandParemeter", typeof(object), typeof(NumericUpDown), new PropertyMetadata(default(object)));
public ICommand UpCommand
{
get { return (ICommand)GetValue(UpCommandProperty); }
set { SetValue(UpCommandProperty, value); }
}
public static readonly DependencyProperty UpCommandProperty =
DependencyProperty.Register("UpCommand", typeof(ICommand), typeof(NumericUpDown), new PropertyMetadata(default(ICommand)));
public ICommand DownCommand
{
get { return (ICommand)GetValue(DownCommandProperty); }
set { SetValue(DownCommandProperty, value); }
}
public static readonly DependencyProperty DownCommandProperty =
DependencyProperty.Register("DownCommand", typeof(ICommand), typeof(NumericUpDown), new PropertyMetadata(default(ICommand)));
public ICommand ConfirmCommand
{
get { return (ICommand)GetValue(ConfirmCommandProperty); }
set { SetValue(ConfirmCommandProperty, value); }
}
public static readonly DependencyProperty ConfirmCommandProperty =
DependencyProperty.Register("ConfirmCommand", typeof(ICommand), typeof(NumericUpDown), new PropertyMetadata(default(ICommand)));
功能引用的部分：
<DataGrid
Grid.Column="0"
Height="{Binding ElementName=DGHeight, Path=ActualHeight}"
AutoGenerateColumns="False"
Background="White"
CanUserReorderColumns="False"
CanUserResizeColumns="False"
CanUserResizeRows="False"
HorizontalScrollBarVisibility="Hidden"
IsReadOnly="True"
ItemsSource="{Binding DataGridList_BindSources, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"
SelectedItem="{Binding SelectBindItem}"
SelectionMode="Single"
SelectionUnit="FullRow"
VerticalScrollBarVisibility="Hidden">
<DataGrid.ColumnHeaderStyle>
<Style TargetType="DataGridColumnHeader">
<Setter Property="HorizontalContentAlignment" Value="Center" />
<Setter Property="Background" Value="#E8e8e8" />
<Setter Property="BorderThickness" Value="1,1,1,1" />
<Setter Property="BorderBrush" Value="#ffffff" />
<Setter Property="Height" Value="50" />
</Style>
</DataGrid.ColumnHeaderStyle>
<DataGrid.Columns>
<DataGridTemplateColumn
Width="50*"
MinWidth="50"
Header="BindName">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Grid>
<TextBlock
HorizontalAlignment="Center"
VerticalAlignment="Center"
Text="{Binding BindName}" />
</Grid>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
<DataGridTemplateColumn Width="550*" Header="Button">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Grid Margin="0,0,10,0">
<uc:NumericUpDown
ConfirmCommand="{Binding DataContext.NumvalueCommand, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=DataGrid}}"
DownCommand="{Binding DataContext.NumValueSubCommand, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=DataGrid}}"
IsEnabled="{Binding NumvalueBtnEnableLst, Converter={StaticResource ButtonEnable}, ConverterParameter=Numvalue_ADD, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
Text="{Binding Numvalue, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"
UpCommand="{Binding DataContext.NumvalueAddCommand, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=DataGrid}}" />
</Grid>
</Grid>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>