因為項目需要,在WPF開發的桌面應用中,登陸頁面需使用動態背景。由於沒有前端開發人員,所以由半吊子的后端開發人員根據效果圖寫前端xaml。去掉頁面上邊框,抽離動態背景設置代碼:
<Window x:Class="DynamicBg.MainWindow"
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"
xmlns:local="clr-namespace:DynamicBg"
mc:Ignorable="d"
Title="MainWindow" Height="580" Width="581"
AllowsTransparency="True" WindowStyle="None" ResizeMode="CanResize"
WindowState="Normal"
>
<Window.Resources>
<ResourceDictionary>
<WindowChrome x:Key="WindowChromeKey">
<WindowChrome.ResizeBorderThickness>
<Thickness>5</Thickness>
</WindowChrome.ResizeBorderThickness>
</WindowChrome>
</ResourceDictionary>
</Window.Resources>
<Grid>
<Grid.Background>
<VisualBrush>
<VisualBrush.Visual>
<MediaElement>
<MediaElement.Triggers>
<EventTrigger RoutedEvent="MediaElement.Loaded">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard>
<MediaTimeline Source="C:\Users\lC\Desktop\ad3837d12f2eb938d70576e6d0628535e4dd6f9d.gif" RepeatBehavior="Forever"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
</MediaElement.Triggers>
</MediaElement>
</VisualBrush.Visual>
</VisualBrush>
</Grid.Background>
<Button Width="50" Height="50" Margin="50" Content="按鈕"/>
</Grid>
</Window>
運行即可。
TIP:動態圖須為本地資源。