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wpf靜态資源與動态資源的差別

wpf靜态資源與動态資源的差別

我的了解:一句話:靜态資源是在解釋器解釋

MainWindow.xaml

前通過

App.xaml

連結起來的定義在各個檔案内的資源;動态資源是解釋器解釋

MainWindow.xaml

時查找并加載到記憶體中的資源。

比如:

<Window x:Class="GraphElementGenerationSYS.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:GraphElementGenerationSYS"
        mc:Ignorable="d"
        WindowStyle="None"
        AllowsTransparency="True"
        ResizeMode="CanMinimize"
        WindowStartupLocation="CenterScreen"              
        Title="MainWindow" Height="600" Width="900"
        Style="{DynamicResource MainWindowStyle}">這裡用的是 DynamicResource關鍵字

    <WindowChrome.WindowChrome>
        <WindowChrome CaptionHeight="0"/>
    </WindowChrome.WindowChrome>

    <Window.Resources>
        <Style TargetType="{x:Type local:MainWindow}" x:Key="MainWindowStyle">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="local:MainWindow">
                        <Border BorderThickness="1" BorderBrush="{StaticResource DarkBlue}">
                            <Grid Background="White">
                                <Grid.RowDefinitions>
                                    <RowDefinition Height="30"></RowDefinition>
                                    <RowDefinition Height="*"></RowDefinition>
                                </Grid.RowDefinitions>

                                <!--Title Bar-->
                                <Grid x:Name="ddd" Grid.Row="0" MouseDown="Window_MouseDown" Background="{StaticResource DarkBlack}">
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="auto"></ColumnDefinition>
                                        <ColumnDefinition Width="*"></ColumnDefinition>
                                        <ColumnDefinition Width="auto"></ColumnDefinition>
                                    </Grid.ColumnDefinitions>

                                    <!--Menu Button-Icon-->
                                    <Border Grid.Column="0" Margin="5 0 0 0 ">
                                        <Button Style="{StaticResource MenuButtonStyle}" Click="WindowMenu">
                                            <TextBlock Foreground="White" FontFamily="{StaticResource HandWrite}" Text="GegSYS" />
                                        </Button>
                                    </Border>

                                    <!--App Name-->
                                    <Viewbox Grid.Column="1">
                                        <TextBlock  Foreground="White" FontFamily="{StaticResource HandWrite}" Text="Graph Element Generation System" />
                                    </Viewbox>

                                    <!--Window Button-->
                                    <StackPanel Orientation="Horizontal" Grid.Column="2" HorizontalAlignment="Right">
                                        <Button Style="{StaticResource WindowButtonStyle}" Click="FormMinimize">-</Button>
                                        <Button Style="{StaticResource WindowButtonStyle}" Click="FormClose">×</Button>
                                    </StackPanel>
                                </Grid>

                                <!--Menu List-->
                                <Grid Grid.Row="1">
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="auto"></ColumnDefinition>
                                        <ColumnDefinition Width="*"></ColumnDefinition>
                                    </Grid.ColumnDefinitions>

                                    <ListBox Style="{StaticResource MenuListStyle}">
                                        <ListBoxItem>ggg</ListBoxItem>
                                        <ListBoxItem>dddd</ListBoxItem>
                                        <ListBoxItem>dddd</ListBoxItem>
                                        <ListBoxItem>dddd</ListBoxItem>
                                    </ListBox>
                                </Grid>

                            </Grid>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

    </Window.Resources>
</Window>
           

這段程式中用到了

MainWindowStyle

DarkBlue

DarkBlack

MenuButtonStyle

HandWrite

WindowButtonStyle

MenuListStyle

等7個資源。他們分别定義在若幹個

.xaml

檔案中。不同的是,

MainWindowStyle

定義在

MainWindow.xaml

中,另外的那些都定義在其它檔案中。

是以,調用這些資源的方式也不同。調用

MainWindowStyle

時隻能用

DynamicResource

關鍵字,其餘的既可以用

StaticResource

關鍵字也可用

DynamicResource

關鍵字通路(但推薦這種情況下還是用

StaticResource

)。

WPF

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