WebUIView.CapturePreviewToStreamAsync(IRandomAccessStream) 方法

定义

创建当前视图内容的图像,并将其写入指定的流。

public:
 virtual IAsyncAction ^ CapturePreviewToStreamAsync(IRandomAccessStream ^ stream) = CapturePreviewToStreamAsync;
IAsyncAction CapturePreviewToStreamAsync(IRandomAccessStream const& stream);
public IAsyncAction CapturePreviewToStreamAsync(IRandomAccessStream stream);
function capturePreviewToStreamAsync(stream)
Public Function CapturePreviewToStreamAsync (stream As IRandomAccessStream) As IAsyncAction

参数

stream
IRandomAccessStream

要向其写入映像的流。

返回

等待捕获操作的异步操作。

实现

适用于