WPF学习系列 简单的窗体设置
今天要学习的源码是一个窗体设置。效果如下，可拖拽。这让我想起了vs的启动界面
下面是源码的情况
项目结构：
窗体代码：
cs代码
1、新建项目
略
2、设置窗体
AllowsTransparency="True"
WindowStyle="None"
Background="{StaticResource back}"
MouseDown="Window_MouseDown">
只用设置4个属性 AllowsTransparency 设置窗体主体部位支不支持透明
windowstyle 设置窗体的边框样式 为none时没有边框
background设置背景，这一步设置背景图片我不会，先设成蓝色。
mousedown 设置鼠标点击落下后到抬起这一阶段的触发事件
3、拖拽功能(mousedown事件)
private void Window_MouseDown(object sender, MouseButtonEventArgs e)
{
if(e.ChangedButton==MouseButton.Left)this.DragMove();
}
Window_MouseDown
如果按下的是左键，可以拖拽
先运行一下，效果如下
4.设置背景图片
源码中的设置方法我看不懂，cnblogs-SkyD.xaml文件设计视图也打不开,xmal视图代码如下：
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<GradientStop Color="/>
</RadialGradientBrush.GradientStops>
<RadialGradientBrush.RelativeTransform>
<TransformGroup/>
</RadialGradientBrush.RelativeTransform>
</RadialGradientBrush>
</GeometryDrawing.Brush>
</GeometryDrawing>
</DrawingGroup.Children>
</DrawingGroup>
</DrawingBrush.Drawing>
</DrawingBrush>
</ResourceDictionary>
cnblogs-SkyD.xaml
感觉太麻烦了，让人望而却步，暂时用图片替代吧，回头再来研究它
但是加图片我也不会，百度一下
看的这篇：http://blog.csdn.net/saloon_yuan/article/details/9137477
简而言之就是下面这样：
关于4、5为什么要这样配置呢，查了下msdn:https://msdn.microsoft.com/zh-cn/library/aa970494(v=vs.110).aspx
没有看懂，但是上面说了，这样可以配置资源文件。就先这样吧。
然后再窗体中加入图片，代码如下：
<Window x:Class="startShow.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="
AllowsTransparency="True"
WindowStyle="None"
MouseDown="Window_MouseDown_1" Background="{x:Null}">
<Grid>
<Image Source="Resources/bolt_flash.png" Stretch="None"/>
</Grid>
</Window>
MainWindow.xaml
运行一下：
但是可以看到，我比源码又多拖了一个image控件。而且源码是整个窗体的背景，我设置的是主体部分（不包括标题栏）的背景。
再找找其他方法
这个好像可以：http://www.th7.cn/Article/bc/wpf/201106/20110622080819.html
将Image先注释掉，然后设置图片的属性
测试了下 上面那个方法 生成操作不设置为 Resource 也设置成 内容 也可以运行
然后修改后台代码
public MainWindow()
{
InitializeComponent();
// 在此点之下插入创建对象所需的代码。
ImageBrush b = new ImageBrush();
b.ImageSource = new BitmapImage(new Uri("Resources/bolt_flash.png", UriKind.RelativeOrAbsolute));
b.Stretch = Stretch.None;
this.Background = b;
}
构造函数
运行：
成功了。但是还是源文件的那种方式看起更高端一点。麻烦会的人教教我。先放出我的代码：
using System;
using System.Collections.Generic;
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 startShow
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
// 在此点之下插入创建对象所需的代码。
ImageBrush b = new ImageBrush();
b.ImageSource = new BitmapImage(new Uri("Resources/bolt_flash.png", UriKind.RelativeOrAbsolute));
b.Stretch = Stretch.None;
this.Background = b;
}
private void Window_MouseDown_1(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left) this.DragMove();//如果是左键 拖动
}
}
}
MainWindow.xaml.cs
<Window x:Class="startShow.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="
AllowsTransparency="True"
WindowStyle="None"
MouseDown="Window_MouseDown_1" Background="{x:Null}">
<Grid>
<!--<Image Source="Resources/bolt_flash.png" Stretch="None"/>-->
</Grid>
</Window>
MainWindow.xaml
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