加载框代码：
<UserControl x:Class="WpfApp1.LoadingForm"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:WpfApp1"
mc:Ignorable="d"
Background="Transparent" Height="80" Width="125" BorderThickness="0">
<Grid>
<Border CornerRadius="6" Background="#D7D9DB" BorderThickness="1" BorderBrush="#f6f5ec">
</Border>
<TextBlock HorizontalAlignment="Center" Foreground="#4DA4FF" FontSize="16" Canvas.Top="69" Canvas.Left="33" Height="23" VerticalAlignment="Bottom" Width="100" Margin="12,0,13,5"><Run Text=" "/><Run Text=" "/><Run Text="Loading"/></TextBlock>
<Grid x:Name="LayoutRoot"
HorizontalAlignment="Center" VerticalAlignment="Center" Margin="32,8,33,12">
<Grid.RenderTransform>
<ScaleTransform x:Name="SpinnerScale"
ScaleX="1.0" ScaleY="1.0" />
</Grid.RenderTransform>
<Canvas RenderTransformOrigin="0.5,0.5"
HorizontalAlignment="Center"
VerticalAlignment="Center"
Width="60" Height="60" Margin="0,-9,0,9" >
<Ellipse Width="3" Height="14"
Canvas.Left="20"
Canvas.Top="15"
Stretch="Fill" Fill="#4DA4FF"
Opacity="1.0" RenderTransformOrigin="0.5,0.5">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="-46.602"/>
<TranslateTransform/>
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse Width="3" Height="14"
Canvas.Left="17"
Canvas.Top="23" Stretch="Fill"
Fill="#4DA4FF" Opacity="1" RenderTransformOrigin="0.5,0.5">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="90.301"/>
<TranslateTransform/>
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse Width="3" Height="14"
Canvas.Left="38"
Canvas.Top="32" Stretch="Fill"
Fill="#4DA4FF" Opacity="1" RenderTransformOrigin="0.5,0.5">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="-47.324"/>
<TranslateTransform/>
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse Width="3" Height="14"
Canvas.Left="20"
Canvas.Top="32" Stretch="Fill"
Fill="#4DA4FF" Opacity="1" RenderTransformOrigin="0.5,0.5">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="46.473"/>
<TranslateTransform/>
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse Width="3" Height="14"
Canvas.Left="29"
Canvas.Top="35" Stretch="Fill"
Fill="#4DA4FF" Opacity="1" RenderTransformOrigin="0.5,0.5">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="-0.32"/>
<TranslateTransform/>
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse Width="3" Height="14"
Canvas.Left="40"
Canvas.Top="23" Stretch="Fill"
Fill="#4DA4FF" Opacity="1" RenderTransformOrigin="0.5,0.5">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="89.639"/>
<TranslateTransform/>
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse Width="3" Height="14"
Canvas.Left="29"
Canvas.Top="12" Stretch="Fill"
Fill="#4DA4FF" Opacity="1"/>
<Ellipse Width="3" Height="14"
Canvas.Left="38"
Canvas.Top="15" Stretch="Fill"
Fill="#4DA4FF" Opacity="1" RenderTransformOrigin="0.5,0.5">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="-132.963"/>
<TranslateTransform/>
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Canvas.RenderTransform>
<RotateTransform x:Name="SpinnerRotate"
Angle="0" />
</Canvas.RenderTransform>
<Canvas.Triggers>
<EventTrigger RoutedEvent="ContentControl.Loaded">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
Storyboard.TargetName
="SpinnerRotate"
Storyboard.TargetProperty
="(RotateTransform.Angle)"
From="0" To="360"
Duration="0:0:01"
RepeatBehavior="Forever" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Canvas.Triggers>
</Canvas>
</Grid>
</Grid>
</UserControl>
后台
namespace WpfApp1
{
/// <summary>
/// LoadingForm.xaml 的交互逻辑
/// </summary>
public partial class LoadingForm : UserControl
{
private readonly DispatcherTimer animationTimer;
public LoadingForm()
{
InitializeComponent();
animationTimer = new DispatcherTimer(DispatcherPriority.ContextIdle, Dispatcher);
animationTimer.Interval = new TimeSpan(0, 0, 0, 0, 75); //指定时间间隔
}
}
}
使用示例：
前端代码
<Window x:Class="WpfApp1.PageWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:ribbon="clr-namespace:Microsoft.Windows.Controls.Ribbon;assembly=RibbonControlsLibrary"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:CustomSystemWindow.CustomWindow"
xmlns:ss="clr-namespace:WpfApp1"
mc:Ignorable="d" Title="PageWindow" WindowState="Maximized" Height="802" Width="1279" Background="AliceBlue">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition Width="10"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<TextBlock Background="Gray" Grid.Column="0" Text="左侧测试"/>
<GridSplitter Grid.Row="0" Grid.Column="1" Width="10" HorizontalAlignment="Center" VerticalAlignment="Stretch" Background="Gray" />
<Grid Grid.Column="2" VerticalAlignment="Bottom" >
<Grid.RowDefinitions>
<RowDefinition Height="10" />
<RowDefinition Height="200" />
</Grid.RowDefinitions>
<Button Height="100" Grid.Row="1" Click="Button_Click" Width="100" Content="右下测试"/>
<GridSplitter Grid.Row="0" Height="10" HorizontalAlignment="Stretch" VerticalAlignment="Bottom" Background="Red"/>
</Grid>
<Grid Grid.ColumnSpan="3" HorizontalAlignment="Center" VerticalAlignment="Center" Width="125" Height="80" >
<ss:LoadingForm x:Name="LoadingForm" Visibility="Hidden"/>
</Grid>
</Grid>
</Window>
后台：
namespace WpfApp1
{
/// <summary>
/// PageWindow.xaml 的交互逻辑
/// </summary>
public partial class PageWindow : Window
{
public PageWindow()
{
InitializeComponent();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
LoadingForm.Visibility = Visibility.Visible;
var task = Task.Factory.StartNew(
() =>
{
Thread.Sleep(2000);
MessageBox.Show("ssss");
}, TaskCreationOptions.LongRunning);
task.ContinueWith((t) => {
test();
});
}
private void test()
{
Action action = () =>
{
LoadingForm.Visibility = Visibility.Hidden;
};
this.Dispatcher.Invoke(action);
}
}
}
结果：
标签：animationTimer,LoadingForm,private,Visibility,WPF,PageWindow,public,加载 From： https://www.cnblogs.com/anjingdian/p/17309341.html