【发布时间】:2010-11-18 10:02:47
【问题描述】:
我正在寻找有关创建 WPF 用户控件的一些指导。
我的目标是创建一个不确定的进度条,来回滑动图像。我希望能够将此用户控件的左右边缘停靠到窗口的两侧,因此如果用户调整窗口大小,进度条的宽度也会增加。我不在乎高度,那可以是恒定的。
这就是我所拥有的,它工作得很好,除了当我将控件添加到表单时,我无法设置停靠选项,并且我不知道如何使情节提要动画以使用用户控件的整个宽度。
<UserControl
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"
mc:Ignorable="d"
x:Class="WPFStyle.PGBProgress"
x:Name="MotionProgressBar" Width="550" Margin="5" Height="100" MinWidth="550" MinHeight="100" MaxWidth="550" MaxHeight="100">
<UserControl.Resources>
<Storyboard x:Key="Motion" AutoReverse="True" RepeatBehavior="Forever">
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="image" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.X)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:01" Value="127"/>
<SplineDoubleKeyFrame KeyTime="00:00:02" Value="242"/>
<SplineDoubleKeyFrame KeyTime="00:00:03" Value="342"/>
<SplineDoubleKeyFrame KeyTime="00:00:04" Value="433"/>
<SplineDoubleKeyFrame KeyTime="00:00:07" Value="433"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="image" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.Y)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:01" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:02" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:03" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:04" Value="-2"/>
<SplineDoubleKeyFrame KeyTime="00:00:07" Value="-2"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="image" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[2].(RotateTransform.Angle)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:01" Value="89.705"/>
<SplineDoubleKeyFrame KeyTime="00:00:02" Value="179.29"/>
<SplineDoubleKeyFrame KeyTime="00:00:03" Value="270.032"/>
<SplineDoubleKeyFrame KeyTime="00:00:04" Value="362.902"/>
<SplineDoubleKeyFrame KeyTime="00:00:07" Value="717.969"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</UserControl.Resources>
<UserControl.Triggers>
<EventTrigger RoutedEvent="FrameworkElement.Loaded">
<BeginStoryboard Storyboard="{StaticResource Motion}"/>
</EventTrigger>
</UserControl.Triggers>
<Grid x:Name="LayoutRoot">
<Image x:Name="image" HorizontalAlignment="Left" Width="85.622" Source="image.png" Stretch="Fill" VerticalAlignment="Top" RenderTransformOrigin="0.5,0.5" Margin="0,0,0,0">
<Image.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform/>
<TranslateTransform/>
</TransformGroup>
</Image.RenderTransform>
</Image>
</Grid>
</UserControl>
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标签: .net wpf user-controls