collaborativePlatform/CollaborativePlatformMain/Form/ProjectForm.xaml

<Window x:Class="CollaborativePlatformMain.Form.ProjectForm"
        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:CollaborativePlatformMain.Form"
        xmlns:HandyControl="clr-namespace:HandyControl.Controls;assembly=HandyControl"
        xmlns:LayUI="clr-namespace:LayUI.Wpf.Controls;assembly=LayUI.Wpf"
        mc:Ignorable="d"
        AllowsTransparency="True"
        Background=" Transparent"
        WindowStartupLocation="CenterScreen"
        WindowStyle="None"
        Title="" SizeToContent="WidthAndHeight" ResizeMode="NoResize" Closed="ProjectForm_OnClosed">
    
    <LayUI:LayTitleBar Background="{DynamicResource Blue}"   CornerRadius="10"
                   WindowState="{Binding WindowState, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">
        <LayUI:LayTitleBar.Header>
            <Border Height="35">
                <DockPanel>
                    <TextBlock Margin="10,0" HorizontalAlignment="Left" VerticalAlignment="Center" Foreground="White"
                           Text="项目信息" />
                </DockPanel>
            </Border>
        </LayUI:LayTitleBar.Header>

        <StackPanel Name="sp_pro" Background="White">

        </StackPanel>
    </LayUI:LayTitleBar>
</Window>