WFP ?????????????????????

Posted 2020-11-18

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??????????????? target smo ?????? animation tle text converter sele

WPF???????????????html???CSS????????????????????????????????????????????????????????????????????????????????????????????????????????????

???????????????????????????????????????????????? ????????????<Style> </Style>????????????

 <Window.Resources>
        <FontFamily x:Key="ButtonFontFamily">Times New Roman</FontFamily>
        <sys:Double x:Key="ButtonFontSize">18</sys:Double>
        <FontWeight x:Key="ButtonFontWeight">Bold</FontWeight>
    </Window.Resources>

?????????????????????

????????????

<Window.Resources>
    <Style x:Key="BigFontButtonStyle" TargetType="TextBlock"> //????????????????????????TextBlock
????????????<Setter Property="Control.FontFamily" Value="Times New Roman"/> 
????????????<Setter Property="Control.FontSize" Value="{DynamicResource ButtonFontSize}"/>//??????????????????????????????
????????????<Setter Property="Control.FontWeight" Value="Bold"/>
??? </Style> 
</Window.Resources>

???????????????????????????????????????????????????????????????TextBlock????????? ???????????????<Style TargetType="TextBlock">????????????????????????x:Key="BigFontButtonStyle"

<Window.Resources>
    <Style  TargetType="TextBlock">
        <Setter Property="HorizontalAlignment" Value="Center"/>
        <Setter Property="TextAlignment" Value="Center"/>
        <Setter Property="Padding" Value="5"/>    
    </Style>   
</Window.Resources>

?????????????????????

???????????????????????????????????????????????????????????????????????????????????????????????????

<Window.Resources>
    <Style x:Key="BaseOnStyle" TargetType="TextBlock">
        <Setter Property="HorizontalAlignment" Value="Center"/>
        <Setter Property="TextAlignment" Value="Center"/>
        <Setter Property="Padding" Value="5"/>   
    </Style>

    <Style x:Key="TextBlockStyle" TargetType="TextBlock"  BasedOn="{StaticResource BaseOnStyle}">
        <Setter Property="Control.Foreground" Value="Red"/>
    </Style>
</Window.Resources>

?????????????????????

<TextBlock x:Name="textBlock" TextWrapping="Wrap" Text="????????????" Style="{DynamicResource TextBlockStyle}" />

?????????????????????????????????????????????

<TextBlock x:Name="textBlock" TextWrapping="Wrap" Text="????????????" FontFamily="{DynamicResource ButtonFontFamily}" />

?????????????????????

WPF???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????XAML?????????????????????

<Window x:Class="StyleDemo.SimpleTriggers"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="SimpleTriggers" Height="300" Width="300">
    <Window.Resources>
        <Style x:Key="BigFontButton">
            <Style.Setters>
                <Setter Property="Control.FontFamily" Value="Times New Roman" />
                <Setter Property="Control.FontSize" Value="18" />

            </Style.Setters>
            <!--???????????????-->
            <Style.Triggers>
                <!--?????????????????????-->
                <Trigger Property="Control.IsFocused" Value="True">
                    <Setter Property="Control.Foreground" Value="Red" />
                </Trigger>
                <!--?????????????????????-->
                <Trigger Property="Control.IsMouseOver" Value="True">
                    <Setter Property="Control.Foreground" Value="Yellow" />
                    <Setter Property="Control.FontWeight" Value="Bold" />
                </Trigger>
                <!--?????????????????????-->
                <Trigger Property="Button.IsPressed" Value="True">
                    <Setter Property="Control.Foreground" Value="Blue" />
                </Trigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>

    <StackPanel Margin="5">
        <Button Padding="5" Margin="5"
            Style="{StaticResource BigFontButton}" 
              >A Big Button</Button>
        <TextBlock Margin="5">Normal Content.</TextBlock>
        <Button Padding="5" Margin="5"
            >A Normal Button</Button>
    </StackPanel>
</Window>

?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????MouseEnter?????????????????????MouseEnter?????????????????????????????????FontSize???????????????????????????????????????XAML?????????????????????

<Window x:Class="StyleDemo.EventTrigger"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="EventTrigger" Height="300" Width="300">
    <Window.Resources>
        <Style x:Key="BigFontButton">
            <Style.Setters>
                <Setter Property="Control.FontFamily" Value="Times New Roman" />
                <Setter Property="Control.FontSize" Value="18" />
                <Setter Property="Control.FontWeight" Value="Bold" />
            </Style.Setters>
            <Style.Triggers>
                <!--?????????????????????-->
                <EventTrigger RoutedEvent="Mouse.MouseEnter">
                    <!--??????????????????????????????-->
                    <EventTrigger.Actions>
                        <!--??????????????????????????????-->
                        <BeginStoryboard>
                            <!--???0.2?????????????????????????????????22??????-->
                            <Storyboard>
                                <DoubleAnimation
                  Duration="0:0:0.2"
                  Storyboard.TargetProperty="FontSize"
                  To="22"  />
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger.Actions>
                </EventTrigger>
                <!--???????????????????????????-->
                <EventTrigger RoutedEvent="Mouse.MouseLeave">
                    <EventTrigger.Actions>
                        <BeginStoryboard>
                            <!--???1??????????????????????????????????????????????????????-->
                            <!--????????????????????????????????????????????????WPF?????????????????????????????????????????????????????????-->
                            <Storyboard>
                                <DoubleAnimation
                  Duration="0:0:1"
                  Storyboard.TargetProperty="FontSize"  />
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger.Actions>
                </EventTrigger>
            </Style.Triggers>
        </Style>     
    </Window.Resources>
    <StackPanel Margin="5">
        <Button Padding="5" Margin="5"
            Style="{StaticResource BigFontButton}" 
              >A Big Button</Button>
        <TextBlock Margin="5">Normal Content.</TextBlock>
        <Button Padding="5" Margin="5"
            >A Normal Button</Button>
    </StackPanel>
</Window>

???????????????

?????????????????????TextBox???Text????????????7???????????????Border??????????????????XAML???????????????

<Window x:Class="WpfApplication1.MainWindow"  
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"  
        xmlns:local="clr-namespace:WpfApplication1"  
        Title="WPF???????????????" Height="500" Width="800" WindowStartupLocation="CenterScreen">  
    <Window.Resources>  
        <local:L2BConverter x:Key="cvtr" />  
        <Style TargetType="TextBox">  
            <Style.Triggers>  
                <DataTrigger Binding="{Binding RelativeSource={x:Static RelativeSource.Self},Path=Text.Length,Converter={StaticResource cvtr}}" Value="false">  
                    <Setter Property="BorderBrush" Value="Red"/>  
                    <Setter Property="BorderThickness" Value="1"/>  
                </DataTrigger>  
            </Style.Triggers>  
        </Style>  
    </Window.Resources>  
      
    <StackPanel>  
        <TextBox Margin="5"/>  
        <TextBox Margin="5,0"/>  
        <TextBox Margin="5"/>  
    </StackPanel>  
</Window>

???????????????Converter????????????????????????Converter???

using System;  
using System.Windows.Data;  
  
namespace WpfApplication1  
{  
    public class L2BConverter : IValueConverter  
    {  
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)  
        {  
            int textLength = (int)value;  
            return textLength > 6 ? true : false;  
        }  
  
        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)  
        {  
            throw new NotImplementedException();  
        }  
    }  
}

???????????????

EventTrigger??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Setter???????????????????????????????????????UI???????????????????????????EventTrigger????????????

?????????????????????????????????????????????Button???Style?????????Style????????????EventTrigger????????????MouseEnter???????????????????????????MouseLeave???????????????XAML???????????????

<Window.Resources>  
    <Style TargetType="Button">  
        <Style.Triggers>  
            <!--????????????-->  
            <EventTrigger RoutedEvent="MouseEnter">  
                <BeginStoryboard>  
                    <Storyboard>  
                        <DoubleAnimation To="150" Duration="0:0:0.2" Storyboard.TargetProperty="Width"/>  
                        <DoubleAnimation To="150" Duration="0:0:0.2" Storyboard.TargetProperty="Height"/>  
                    </Storyboard>  
                </BeginStoryboard>  
            </EventTrigger>  
            <!--????????????-->  
            <EventTrigger RoutedEvent="MouseLeave">  
                <BeginStoryboard>  
                    <Storyboard>  
                        <DoubleAnimation  Duration="0:0:0.2" Storyboard.TargetProperty="Width"/>  
                        <DoubleAnimation  Duration="0:0:0.2" Storyboard.TargetProperty="Height"/>  
                    </Storyboard>  
                </BeginStoryboard>  
            </EventTrigger>  
        </Style.Triggers>  
    </Style>  
</Window.Resources>  
      
<Canvas>  
    <Button Width="40" Height="40" Content="OK"/>  
</Canvas>

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