将图像和solidcolor背景组合成WPF表单

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
       <Image Source="your_image_path.png" Stretch="None" />
        <Rectangle Fill="SolidColorBrush" />
    </Grid>
</Window>

using System;
using System.Windows;

namespace WpfApp1
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
    }
}