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WebView2在4K显示器上显示异常的问题求助

4K显示器下WebView2组件显示异常求助

我开发的Windows应用在解决多DPI设置下的显示问题后,仅在4K显示器上出现显示异常,异常截图如下:
4K显示器下WebView2显示异常

我已做以下尝试但均未解决问题:

  • 在app.manifest中启用PerMonitorV2
  • 尝试窗体所有AutoScale设置
  • 添加gdiScaling配置
  • 试过网上几乎所有相关方案

我期望解决WebView2组件在4K显示器上的显示问题,相关代码和配置如下:

WebView2及容器控件代码

webView = new WebView2();  
webView.Visible = false;  
webView.Margin = new Padding(0);  
webView.Padding = new Padding(0);  
webView.Size = new Size(Width, 0);  
webView.AllowExternalDrop = false;  
webView.BackColor = BackgroundColor;  
webView.DefaultBackgroundColor = BackgroundColor;  
await webView.EnsureCoreWebView2Async();  
webView.NavigateToString(text);

fContainer = new FlowLayoutPanel();  
fContainer.FlowDirection = FlowDirection.LeftToRight;  
fContainer.Size = new Size(Width, Height - (fTitle.Bottom - fTitle.Top) - (fActions.Bottom - fActions.Top));  
fContainer.BackColor = ApplicationFramework.FORM_BACK_COLOR;  
fContainer.Padding = new Padding(0);  
fContainer.Margin = new Padding(0);  
fContainer.WrapContents = false;  
fContainer.AutoSize = false;  
fContainer.AutoScroll = false;  
fMain.Controls.Add(fContainer);  
  
fContent = new FlowLayoutPanel();  
fContent.BackColor = ApplicationFramework.FORM_BACK_COLOR;  
fContent.FlowDirection = FlowDirection.TopDown;  
fContent.Size = new Size(Width - (HasMenu ?ApplicationFramework.MENU_WIDTH : 0), Height - (fTitle.Bottom - fTitle.Top) - (fActions.Bottom - fActions.Top));  
fContent.WrapContents = false;  
fContent.Padding = new Padding(0, ApplicationFramework.PADDING, 0, 0);  
fContent.Margin = new Padding(0);  
fContent.AutoScroll = true;  
  
fContent.Controls.Add(webView);

app.manifest配置

<application xmlns="urn:schemas-microsoft-com:asm.v3">  
    <windowsSettings>  
        <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>  
        <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2,PerMonitor</dpiAwareness> <!-- DpiUnawareGdiScaled -->  
        <gdiScaling xmlns="http://schemas.microsoft.com/SMI/2017/WindowsSettings">true</gdiScaling>  
    </windowsSettings>  
</application>

内容的提问来源于stack exchange,提问作者Dzio

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最近更新时间:2026.07.05 06:08:11