c# - 如何从内部勾勒出数据网格单元格,使数据网格行不移动?
问题描述
基本上我正在完全概述选定的行。但问题是当我选择一行时,我可以看到它稍微向下移动它之后的行。
我怎样才能防止这种情况?我是否必须从内部绘制轮廓以便不调整行大小?
这是我的代码:
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace test
{
public partial class MainWindow : Window
{
public event PropertyChangedEventHandler PropertyChanged;
protected void SetField<T> ( ref T field, T value, string propertyName )
{
if ( !EqualityComparer<T>.Default.Equals ( field, value ) )
{
field = value;
PropertyChanged?.Invoke ( this, new PropertyChangedEventArgs ( propertyName ) );
}
}
ObservableCollection<Coin> _coins;
public ObservableCollection<Coin> Coins { get => _coins; set => SetField ( ref _coins, value, nameof ( _coins ) ); }
public ICollectionView CollectionView;
public MainWindow ( )
{
this.Coins = new ObservableCollection<Coin> ( );
for ( int i = 0 ; i < 40 ; ++i )
this.Coins.Add ( new Coin ( "Coin 1", i ) );
this.DataContext = this;
InitializeComponent ( );
}
}
public class Coin
{
public string Symbol { get; set; }
public int PNL { get; set; }
public SolidColorBrush Color2 { get; set; }
public Coin ( string symbol, int pnl )
{
this.Symbol = symbol;
this.PNL = pnl;
Random rnd = new Random ( );
Color c = Color.FromRgb ( ( byte ) rnd.Next ( 256 ), ( byte ) rnd.Next ( 256 ), ( byte ) rnd.Next ( 256 ) );
this.Color2 = new SolidColorBrush ( c );
}
}
}
xml:
<Window x:Class="test.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:test"
mc:Ignorable="d"
Name="myMainWindow"
SizeToContent="Width"
DataContext="{Binding RelativeSource={RelativeSource Self}}"
Title="Profit Tracker"
WindowStyle="None"
AllowsTransparency="True"
Topmost="True"
ResizeMode="NoResize"
Height="426">
<Window.Resources>
<Style x:Key="DataGridColumnSeparatorStyle" TargetType="DataGridCell">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<Rectangle VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Fill="#1e90ff"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="DataGridColumnAlarmStyle" TargetType="DataGridCell">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<Rectangle VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Fill="#000000"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style TargetType="{x:Type DataGrid}">
<Setter Property="Background" Value="#FFF" />
<Setter Property="AlternationCount" Value="2" />
<Setter Property="BorderBrush" Value="Red" />
<Setter Property="BorderThickness" Value="0" />
</Style>
<Style x:Key="RowStyleWithAlternation" TargetType="DataGridRow">
<Setter Property="Background" Value="#141414"/>
<Setter Property="Foreground" Value="White"/>
<Setter Property="FontWeight" Value="Normal"/>
<Style.Triggers>
<Trigger Property="AlternationIndex" Value="0">
<Setter Property="Background" Value="#141414"/>
</Trigger>
<Trigger Property="AlternationIndex" Value="1">
<Setter Property="Background" Value="#282828"/>
</Trigger>
<Trigger Property="IsSelected" Value="True">
<Setter Property="BorderBrush" Value="Red" />
<Setter Property="BorderThickness" Value="1" />
<Setter Property="Margin" Value="-1,0,0,0" />
</Trigger>
</Style.Triggers>
</Style>
<Style TargetType="DataGridCell">
<Setter Property="TextBlock.TextAlignment" Value="Center" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type DataGridCell}">
<Grid Background="{TemplateBinding Background}">
<ContentPresenter VerticalAlignment="Stretch"/>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="VerticalAlignment" Value="Stretch"/>
<Setter Property="Padding" Value="0"/>
<Setter Property="Margin" Value="0"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="FocusVisualStyle" Value="{x:Null}" />
<Style.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter Property="BorderBrush" Value="#1e90ff" />
<Setter Property="BorderThickness" Value="1" />
<!--<Setter Property="Background" Value="Red"/>-->
</Trigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Column.Header, RelativeSource={RelativeSource Self}}" Value=" "/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="DataGridCell.Background" Value="{Binding Path=Balance.ProfitPercentageColor}" />
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Column.Header, RelativeSource={RelativeSource Self}}" Value="Symbol"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="DataGridCell.Background" Value="{Binding Path=Balance.ProfitPercentageColor}" />
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Column.Header, RelativeSource={RelativeSource Self}}" Value="PNL %"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="DataGridCell.Background" Value="{Binding Path=Color2}" />
<Setter Property="DataGridCell.Foreground" Value="{Binding Path=Balance.ProfitColor}" />
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Column.DisplayIndex, RelativeSource={RelativeSource Self}}" Value="12"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="DataGridCell.Background" Value="{Binding Path=Balance.ProfitPercentageColor}" />
<Setter Property="DataGridCell.Foreground" Value="{Binding Path=Balance.ProfitColor}" />
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Column.DisplayIndex, RelativeSource={RelativeSource Self}}" Value="13"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="DataGridCell.Background" Value="{Binding Path=PriceChangeDailyBackColor}" />
<Setter Property="DataGridCell.Foreground" Value="{Binding Path=PriceChangeDailyForeColor}" />
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Column.DisplayIndex, RelativeSource={RelativeSource Self}}" Value="14"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="DataGridCell.Background" Value="{Binding Path=PriceChangeHourlyBackColor}" />
<Setter Property="DataGridCell.Foreground" Value="{Binding Path=PriceChangeHourlyForeColor}" />
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Column.Header, RelativeSource={RelativeSource Self}}" Value="Min %"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="DataGridCell.Foreground" Value="{Binding Path=PriceChangeMinutelyForeColor}" />
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Column.Header, RelativeSource={RelativeSource Self}}" Value="Net BTC/m"/>
</MultiDataTrigger.Conditions>
<MultiDataTrigger.Setters>
<Setter Property="DataGridCell.Background" Value="{Binding Path=LastMinuteVolumeColor}" />
</MultiDataTrigger.Setters>
</MultiDataTrigger>
<Trigger Property="IsSelected" Value="True">
<Setter Property="Background" Value="{x:Null}"/>
<Setter Property="BorderBrush" Value="{x:Null}"/>
</Trigger>
</Style.Triggers>
</Style>
<Style TargetType="DataGridColumnHeader">
<Setter Property="HorizontalContentAlignment" Value="Center" />
</Style>
<Style TargetType="{x:Type ProgressBar}">
<Setter Property="Padding" Value="0"/>
<Setter Property="Margin" Value="0"/>
<Setter Property="VerticalAlignment" Value="Stretch"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ProgressBar">
<Border BorderThickness="1" Background="#006400" CornerRadius="0" Padding="0">
<Grid x:Name="PART_Track">
<Rectangle x:Name="PART_Indicator" HorizontalAlignment="Left" Fill="#75001D" />
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<CollectionViewSource Source="{Binding Coins}" IsLiveSortingRequested="True" x:Key="MyKey" />
</Window.Resources>
<Grid>
<DataGrid Name="dataGrid" ItemsSource="{Binding Source={StaticResource MyKey}}" SelectionMode="Single" GridLinesVisibility="None" HorizontalScrollBarVisibility="Hidden" RowHeaderWidth="0" IsReadOnly="True" CanUserAddRows="False" CanUserResizeColumns="False" CanUserResizeRows="False" AutoGenerateColumns="False" RowStyle="{StaticResource RowStyleWithAlternation}">
<DataGrid.Resources>
<SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="Transparent" />
<SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}" Color="Transparent" />
</DataGrid.Resources>
<DataGrid.Columns>
<DataGridTemplateColumn MinWidth="0" Width="2" CellStyle="{StaticResource DataGridColumnSeparatorStyle}"/>
<DataGridTextColumn Header="PNL" Width="60" SortMemberPath="Balance.UnitPrice" Binding="{Binding Path=PNL}" />
<DataGridTemplateColumn MinWidth="0" Width="2" CellStyle="{StaticResource DataGridColumnSeparatorStyle}" CanUserSort="False"/>
<DataGridTemplateColumn Header="Vol BTC/h" Width="30" SortMemberPath="LastHourVolumeInBtc">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Grid>
<TextBlock Text="ABCDE" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Grid>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
<DataGridTemplateColumn Header="Vol BTC/h" Width="40">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Grid>
<ProgressBar Value="0.3" Minimum="0" Maximum="1"/>
<TextBlock Text="12345" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Grid>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
<DataGridTextColumn Header="Net BTC/m" Width="60"/>
</DataGrid.Columns>
</DataGrid>
</Grid>
</Window>
解决方案
解决方法
一种可能性是更改RowStyleWithAlternation样式。我已将 BorderThickness 设置为 2 进行测试
<Style x:Key="RowStyleWithAlternation" TargetType="DataGridRow">
<Setter Property="Background" Value="#141414"/>
<Setter Property="Foreground" Value="White"/>
<Setter Property="FontWeight" Value="Normal"/>
<!-- added line-->
<Setter Property="BorderThickness" Value="2" />
<Style.Triggers>
<Trigger Property="AlternationIndex" Value="0">
<Setter Property="Background" Value="#141414"/>
<!-- added line-->
<Setter Property="BorderBrush" Value="#141414" />
</Trigger>
<Trigger Property="AlternationIndex" Value="1">
<Setter Property="Background" Value="#282828"/>
<!-- added line-->
<Setter Property="BorderBrush" Value="#282828" />
</Trigger>
<Trigger Property="IsSelected" Value="True">
<Setter Property="BorderBrush" Value="Red" />
<!--deleted lines-->
<!--<Setter Property="BorderThickness" Value="1" />
<Setter Property="Margin" Value="-1,0,0,0" />-->
</Trigger>
</Style.Triggers>
</Style>
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