<UserControl x:Class="myApp.circularprogress"
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"
mc:Ignorable="d"
Height="Auto" Width="Auto" Background="Transparent"
IsVisibleChanged="HandleVisibleChanged">
<Grid x:Name="LayoutRoot" Background="Transparent"
ToolTip="لطفا چند لحظه صبر کنید....."
HorizontalAlignment="Center"
VerticalAlignment="Center">
<Canvas RenderTransformOrigin="0.5,0.5"
HorizontalAlignment="Center"
VerticalAlignment="Center" Width="120"
Height="120" Loaded="HandleLoaded"
Unloaded="HandleUnloaded" >
<Ellipse x:Name="C0" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="1.0"/>
<Ellipse x:Name="C1" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="0.9"/>
<Ellipse x:Name="C2" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="0.8"/>
<Ellipse x:Name="C3" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="0.7"/>
<Ellipse x:Name="C4" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="0.6"/>
<Ellipse x:Name="C5" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="0.5"/>
<Ellipse x:Name="C6" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="0.4"/>
<Ellipse x:Name="C7" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="0.3"/>
<Ellipse x:Name="C8" Width="20" Height="20"
Canvas.Left="0"
Canvas.Top="0" Stretch="Fill"
Fill="Black" Opacity="0.2"/>
<Canvas.RenderTransform>
<RotateTransform x:Name="SpinnerRotate"
Angle="0" />
</Canvas.RenderTransform>
</Canvas>
</Grid>
</UserControl>
اینم کد هاش
public partial class circularprogress : UserControl
{
private readonly DispatcherTimer animationTimer;
public circularprogress()
{
InitializeComponent();
animationTimer = new DispatcherTimer(DispatcherPriority.ContextIdle, Dispatcher);
animationTimer.Interval = new TimeSpan(0, 0, 0, 0, 75);
}
private void Start()
{
Mouse.OverrideCursor = Cursors.Wait;
animationTimer.Tick += HandleAnimationTick;
animationTimer.Start();
}
private void Stop()
{
animationTimer.Stop();
Mouse.OverrideCursor = Cursors.Arrow;
animationTimer.Tick -= HandleAnimationTick;
}
private void HandleAnimationTick(object sender, EventArgs e)
{
SpinnerRotate.Angle = (SpinnerRotate.Angle + 36) % 360;
}
private void HandleLoaded(object sender, RoutedEventArgs e)
{
const double offset = Math.PI;
const double step = Math.PI * 2 / 10.0;
SetPosition(C0, offset, 0.0, step);
SetPosition(C1, offset, 1.0, step);
SetPosition(C2, offset, 2.0, step);
SetPosition(C3, offset, 3.0, step);
SetPosition(C4, offset, 4.0, step);
SetPosition(C5, offset, 5.0, step);
SetPosition(C6, offset, 6.0, step);
SetPosition(C7, offset, 7.0, step);
SetPosition(C8, offset, 8.0, step);
}
private void SetPosition(Ellipse ellipse, double offset,
double posOffSet, double step)
{
ellipse.SetValue(Canvas.LeftProperty, 50.0
+ Math.Sin(offset + posOffSet * step) * 50.0);
ellipse.SetValue(Canvas.TopProperty, 50
+ Math.Cos(offset + posOffSet * step) * 50.0);
}
private void HandleUnloaded(object sender, RoutedEventArgs e)
{
Stop();
}
private void HandleVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
{
bool isVisible = (bool)e.NewValue;
if (isVisible)
Start();
else
Stop();
}
}
منبع:سایت codeproject
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