wpf 分别用 xaml 和后台代码实现 色彩渐变

提示：扫一扫查出行
【扫一扫了解最新限行尾号】
复制提示

xaml 方法：

<Window x:Class="WpfApplication1.MainWindow"
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 x:Name="grid1">
<!--xaml中设置渐变效果--> <!--<Grid.Background>
<LinearGradientBrush>
<GradientStopCollection>
<GradientStop Offset="0" Color="Black" />
<GradientStop Offset="0.6" Color="white" />
</GradientStopCollection>
</LinearGradientBrush>
</Grid.Background>-->
</Grid>
</Window>

后台方法：

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.Navigation;
using System.Windows.Shapes;namespace WpfApplication1
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
LinearGradientBrush brush = new LinearGradientBrush();
brush.GradientStops.Add(new GradientStop(color:Colors.Black,offset:0));
brush.GradientStops.Add(new GradientStop(color: Colors.White, offset: 0.6));
grid1.Background = brush;
}
}
}

vb.net的后台代码：

Dim brush As New LinearGradientBrush
brush.GradientStops.Add(New GradientStop With{.Offset=0,.Color=Colors.Black})
brush.GradientStops.Add(New GradientStop With{.Offset=0.6,.Color=Colors.wHILE})
grid1.BackGround=brush