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public System.Threading.Tasks.Task CapturePreviewAsync (Microsoft.Web.WebView2.Core.CoreWebView2CapturePreviewImageFormat imageFormat, System.IO.Stream imageStream);
member this.CapturePreviewAsync : Microsoft.Web.WebView2.Core.CoreWebView2CapturePreviewImageFormat * System.IO.Stream -> System.Threading.Tasks.Task
Public Function CapturePreviewAsync (imageFormat As CoreWebView2CapturePreviewImageFormat, imageStream As Stream) As Task
Parameters
Remarks
When CapturePreviewAsync finishes writing to the stream, the Invoke method on the provided handler parameter is called. This method fails if called before the first
ContentLoading
event. For example if this is called in the
NavigationStarting
event for the first navigation it will fail. For subsequent navigations, the method may not fail, but will not capture an image of a given webpage until the
ContentLoading
event has been fired for it. Any call to this method prior to that will result in a capture of the page being navigated away from.
