D23_05_改变形状窗口的尺寸（自定义窗体大小改变）

 

 

<Window x:Class="demo.ModernWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="ModernWindow" Height="300" Width="300"
        AllowsTransparency="True"
        WindowStyle="None"
        ResizeMode="CanResizeWithGrip"
        Background="Transparent">
    <Border Width="Auto" Height="Auto" Name="windowFrame"
    
          BorderBrush="#395984"
          BorderThickness="1"
          CornerRadius="0,20,30,40" >
        <Border.Background>
            <LinearGradientBrush >
                <GradientBrush.GradientStops>
                    <GradientStopCollection>
                        <GradientStop Color="#E7EBF7" Offset="0.0"/>
                        <GradientStop Color="#CEE3FF" Offset="0.5"/>

                    </GradientStopCollection>
                </GradientBrush.GradientStops>
            </LinearGradientBrush>
        </Border.Background>
        <Grid>

            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"></RowDefinition>
                <RowDefinition></RowDefinition>
                <RowDefinition Height="Auto"></RowDefinition>
            </Grid.RowDefinitions>

            <TextBlock Text="Title Bar" Margin="1" Padding="5" MouseLeftButtonDown="titleBar_MouseLeftButtonDown"></TextBlock>
            <Grid Background="#B5CBEF" Grid.Row="1">
                <Grid.RowDefinitions>
                    <RowDefinition></RowDefinition>
                    <RowDefinition></RowDefinition>
                </Grid.RowDefinitions>

                <TextBlock VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White" FontSize="20">Content Goes Here</TextBlock>
                <Button VerticalAlignment="Top" HorizontalAlignment="Center" Padding="10" Grid.Row="1" Click="cmdClose_Click">Close</Button>
            </Grid>
            <TextBlock HorizontalAlignment="Center" Grid.Row="2" Text="Footer" Margin="1,10,1,1" Padding="5"></TextBlock>
            <Rectangle Grid.RowSpan="3" Cursor="SizeWE" Fill="Transparent" Width="5" VerticalAlignment="Stretch"
                       HorizontalAlignment="Right" MouseLeftButtonDown="window_initateWiden"
                       MouseLeftButtonUp="window_endWiden"
                       MouseMove="window_Widen">                
            </Rectangle>
        </Grid>

    </Border>
</Window>

 

ModernWindow

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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.Shapes;

namespace demo
{
    /// <summary>
    /// ModernWindow.xaml 的交互逻辑
    /// </summary>
    public partial class ModernWindow : Window
    {
        public ModernWindow()
        {
            InitializeComponent();
        }

        bool isWiden = false;
        private void window_initateWiden(object sender, System.Windows.Input.MouseEventArgs e)
        {
            isWiden = true;
        }

        private void window_Widen(object sender,System.Windows.Input.MouseEventArgs e)
        {
            Rectangle rect=(Rectangle)sender;
            if(isWiden)
            {
                rect.CaptureMouse();
                double newWidth = e.GetPosition(this).X + 5;
                if (newWidth > 0) this.Width = newWidth;
            }
        }        

        private void window_endWiden(object sender,System.Windows.Input.MouseEventArgs e)
        {
            isWiden=false;
            Rectangle rect=(Rectangle)sender;
            rect.ReleaseMouseCapture();
        }

        private void cmdClose_Click(object sender,RoutedEventArgs e)
        {
            this.Close();
        }

        private void titleBar_MouseLeftButtonDown(object sender,MouseButtonEventArgs e)
        {
            this.DragMove();
        }
    }
}