首先效果图如下：
步骤：
- 新建一个资源文件WindowsStyles.xaml
修改内容如下 ：
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:CustomResizeWindow">
<!-- Button style -->
<Style TargetType="{x:Type Button}" x:Key="WindowButtonStyle">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ButtonBase}">
<Border
x:Name="Chrome"
BorderBrush="{TemplateBinding BorderBrush}"
Margin="0"
Background="{TemplateBinding Background}"
SnapsToDevicePixels="True">
<ContentPresenter
ContentTemplate="{TemplateBinding ContentTemplate}"
Content="{TemplateBinding Content}"
ContentStringFormat="{TemplateBinding ContentStringFormat}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
Margin="{TemplateBinding Padding}"
RecognizesAccessKey="True"
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="Background" Value="Transparent"/>
<Setter Property="FontFamily" Value="Webdings"/>
<Setter Property="FontSize" Value="16" />
<Setter Property="Foreground" Value="Black" />
<Setter Property="Width" Value="25"/>
<Setter Property="Height" Value="25"/>
<Setter Property="Margin" Value="0,2,3,0"/>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Foreground" Value="Gray" />
</Trigger>
</Style.Triggers>
</Style>
<ControlTemplate x:Key="MetroWindowControlTemplate" TargetType="{x:Type Window}">
<Border BorderThickness="1" BorderBrush="LightBlue" Background="White">
<Grid>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Rectangle x:Name="MoveableRectangle" Fill="LightGray" Grid.Row="0" Grid.Column="0"/>
<StackPanel Grid.Row="0" Grid.Column="1" Orientation="Horizontal" Background="LightGray">
<Button x:Name="MinimizeButton" Style="{StaticResource WindowButtonStyle}" Content="0" />
<Button x:Name="RestoreButton" Style="{StaticResource WindowButtonStyle}" Content="1" />
<Button x:Name="CloseButton" Style="{StaticResource WindowButtonStyle}" Content="r" />
</StackPanel>
<Grid Background="{TemplateBinding Background}" Grid.Row="1" Grid.ColumnSpan="2" Margin="5,5,5,5">
<AdornerDecorator>
<ContentPresenter/>
</AdornerDecorator>
</Grid>
</Grid>
<Grid x:Name="ResizeGrid">
<Rectangle
Stroke="{x:Null}"
Fill="Transparent"
VerticalAlignment="Top"
Height="5"
x:Name="Top"
Margin="5,0,5,0" />
<Rectangle
Stroke="{x:Null}"
Fill="Transparent"
x:Name="Bottom"
Height="5"
VerticalAlignment="Bottom"
Margin="5,0,5,0" />
<Rectangle
Stroke="{x:Null}"
Fill="Transparent"
HorizontalAlignment="Left"
Margin="0,5,0,5"
Width="5"
x:Name="Left"/>
<Rectangle
Stroke="{x:Null}"
Fill="Transparent"
Margin="0,5,0,5"
Width="5"
HorizontalAlignment="Right"
x:Name="Right" />
<Rectangle
Stroke="{x:Null}"
Fill="Transparent"
HorizontalAlignment="Left"
VerticalAlignment="Bottom"
Width="5"
Height="5"
x:Name="BottomLeft" />
<Rectangle
Stroke="{x:Null}"
Fill="Transparent"
VerticalAlignment="Bottom"
Height="5"
Width="5"
HorizontalAlignment="Right"
x:Name="BottomRight" />
<Rectangle
Stroke="{x:Null}"
Fill="Transparent"
HorizontalAlignment="Right"
Width="5"
Height="5"
VerticalAlignment="Top"
x:Name="TopRight" />
<Rectangle
Stroke="{x:Null}"
Fill="Transparent"
HorizontalAlignment="Left"
Width="6"
VerticalAlignment="Top"
Height="5"
x:Name="TopLeft" />
</Grid>
</Grid>
</Border>
</ControlTemplate>
<Style x:Key="MetroWindowStyle" TargetType="{x:Type Window}">
<Setter Property="AllowsTransparency" Value="True"/>
<Setter Property="Background" Value="Transparent"/>
<Setter Property="WindowStyle" Value="None"/>
<Setter Property="Template" Value="{StaticResource MetroWindowControlTemplate}"/>
</Style>
</ResourceDictionary>2.在MainWindow.xaml里面引用此样式
MainWindow代码如下 ：
<Window x:Class="CustomResizeWindow.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:CustomResizeWindow"
mc:Ignorable="d"
Style="{StaticResource MetroWindowStyle}"
Title="Custom Window"
Height="350"
Width="525">
<Grid>
<TextBlock VerticalAlignment="Center"
HorizontalAlignment="Center"
Text="hey,兄嘚，你是不是要的这个效果。。。"
FontSize="24"/>
</Grid>
</Window>3.修改MainWindow.xaml.cs
全部代码如下：
using System;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Shapes;
namespace CustomResizeWindow
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
this.Loaded += MainWindow_Loaded;
PreviewMouseMove += OnPreviewMouseMove;
}
private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
InitializeControl();
}
private Button _minimizeButton;
private Button _restoreButton;
private Button _closeButton;
private HwndSource _hwndSource;
private void InitializeControl()
{
ControlTemplate template = App.Current.FindResource("MetroWindowControlTemplate") as ControlTemplate;
if(template != null)
{
Rectangle moveableRect = template.FindName("MoveableRectangle",this) as Rectangle;
moveableRect.PreviewMouseDown += MoveableRect_PreviewMouseDown;
_minimizeButton = template.FindName("MinimizeButton", this) as Button;
_restoreButton = template.FindName("RestoreButton", this) as Button;
_closeButton = template.FindName("CloseButton",this) as Button;
_minimizeButton.Click += MinimizeButton_Click;
_restoreButton.Click += RestoreButton_Click;
_closeButton.Click += CloseButton_Click;
Grid resizeGrid = template.FindName("ResizeGrid", this) as Grid;
if(resizeGrid != null)
{
foreach (UIElement element in resizeGrid.Children)
{
Rectangle resizeRectangle = element as Rectangle;
if (resizeRectangle != null)
{
resizeRectangle.PreviewMouseDown += ResizeRectangle_PreviewMouseDown;
resizeRectangle.MouseMove += ResizeRectangle_MouseMove;
}
}
}
}
}
private void MoveableRect_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
if (Mouse.LeftButton == MouseButtonState.Pressed)
DragMove();
}
private void ResizeRectangle_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
Rectangle rectangle = sender as Rectangle;
if(rectangle != null)
{
switch(rectangle.Name)
{
case "Top":
Cursor = Cursors.SizeNS;
ResizeWindow(ResizeDirection.Top);
break;
case "Bottom":
Cursor = Cursors.SizeNS;
ResizeWindow(ResizeDirection.Bottom);
break;
case "Left":
Cursor = Cursors.SizeWE;
ResizeWindow(ResizeDirection.Left);
break;
case "Right":
Cursor = Cursors.SizeWE;
ResizeWindow(ResizeDirection.Right);
break;
case "TopLeft":
Cursor = Cursors.SizeNWSE;
ResizeWindow(ResizeDirection.TopLeft);
break;
case "TopRight":
Cursor = Cursors.SizeNESW;
ResizeWindow(ResizeDirection.TopRight);
break;
case "BottomLeft":
Cursor = Cursors.SizeNESW;
ResizeWindow(ResizeDirection.BottomLeft);
break;
case "BottomRight":
Cursor = Cursors.SizeNWSE;
ResizeWindow(ResizeDirection.BottomRight);
break;
default:
break;
}
}
}
private void ResizeRectangle_MouseMove(object sender, MouseEventArgs e)
{
Rectangle rectangle = sender as Rectangle;
if (rectangle != null)
{
switch (rectangle.Name)
{
case "Top":
Cursor = Cursors.SizeNS;
break;
case "Bottom":
Cursor = Cursors.SizeNS;
break;
case "Left":
Cursor = Cursors.SizeWE;
break;
case "Right":
Cursor = Cursors.SizeWE;
break;
case "TopLeft":
Cursor = Cursors.SizeNWSE;
break;
case "TopRight":
Cursor = Cursors.SizeNESW;
break;
case "BottomLeft":
Cursor = Cursors.SizeNESW;
break;
case "BottomRight":
Cursor = Cursors.SizeNWSE;
break;
default:
break;
}
}
}
protected override void OnInitialized(EventArgs e)
{
SourceInitialized += MainWindow_SourceInitialized;
base.OnInitialized(e);
}
private void MainWindow_SourceInitialized(object sender, EventArgs e)
{
_hwndSource = (HwndSource)PresentationSource.FromVisual(this);
}
private void MinimizeButton_Click(object sender, RoutedEventArgs e)
{
this.WindowState = WindowState.Minimized;
}
private void RestoreButton_Click(object sender, RoutedEventArgs e)
{
this.WindowState = (WindowState == WindowState.Normal) ? WindowState.Maximized : WindowState.Normal;
}
private void CloseButton_Click(object sender, RoutedEventArgs e)
{
Close();
}
protected void OnPreviewMouseMove(object sender, MouseEventArgs e)
{
if (Mouse.LeftButton != MouseButtonState.Pressed)
Cursor = Cursors.Arrow;
}
[DllImport("user32.dll", CharSet = CharSet.Auto)]
private static extern IntPtr SendMessage(IntPtr hWnd, UInt32 msg, IntPtr wParam, IntPtr lParam);
private void ResizeWindow(ResizeDirection direction)
{
SendMessage(_hwndSource.Handle, 0x112, (IntPtr)(61440 + direction), IntPtr.Zero);
}
}
public enum ResizeDirection
{
Left = 1,
Right = 2,
Top = 3,
TopLeft = 4,
TopRight = 5,
Bottom = 6,
BottomLeft = 7,
BottomRight = 8,
}
}现在点击启动就能看到窗体已经启动啦~
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