MVC AZURE从现有blob上传文件图标 [英] MVC AZURE upload file icon from an existing blob

问题描述

嘿所有，



我正在尝试从已上传的blob上传文件图标。我正在使用sasuri用于现有的blob，（我要上传文件图标的那个）。



这样的东西：

Hey all,

I'm trying to upload the file icon from a blob that is already uploaded. I'm using sasuri for the existing blob, (the one i want to upload the fileicon for).

Something like this:

//sasuri function
            var SASURI = GetUploadedFileIconSASURL(blobnamehere);

//retrieving fileicon for that blob
            var fileIcon = System.Drawing.Icon.ExtractAssociatedIcon(SASURI);

//and then somehow upload the icon as a new blob??

            CloudBlobContainer blobContainer = CloudStorageServices.GetCloudBlobContainer();
            CloudBlockBlob blockBlob = blobContainer.GetBlockBlobReference(blobiconnamehere);

            using (var stream = fileIcon.Openread())
            {
                blockBlob.UploadFromStream(stream);
            }

如何从像这样的变量上传一个blockblob？流不正确，不包含OpenRead的定义。 （我和我一起新手！）



另外，从理论上讲，这会有用吗？图标会保存为图像吗？



提前致谢!!





更新1：







var SASURI = GetUploadedFileIconSASURL（existingBlobNameHere）;



var fileIcon = System.Drawing.Icon.ExtractAssociatedIcon（@C：\ WINDOWS \ systemystem \ ptpad.exe）;



CloudBlobContainer blobContainer = CloudStorageServices.GetCloudBlobContainer（）;

CloudBlockBlob blockBlob = blobContainer.GetBlockBlobReference（blobiconnamehere）;





位图bmpIcon = fileIcon.ToBitmap（）;



使用（System.IO.MemoryStream ms = new System.IO.MemoryStream（ ））

{

bmpIcon.Save（ms，System.Drawing.Imaging.ImageFormat.Jpeg）;

blockBlob.UploadFromStream（ms） ;

}



它的运行但文件icon blob为null（？）

How can I upload a blockblob from a variabel like that? The stream is incorrect, does not contain a definition for OpenRead. (Im a newbie bare with me!)

Also, in theory, would this work? Will the icon be saved as a image?

Thanks in advance!!


Update 1:



var SASURI = GetUploadedFileIconSASURL(existingBlobNameHere);

var fileIcon = System.Drawing.Icon.ExtractAssociatedIcon(@"C:\WINDOWS\system32\notepad.exe");

CloudBlobContainer blobContainer = CloudStorageServices.GetCloudBlobContainer();
CloudBlockBlob blockBlob = blobContainer.GetBlockBlobReference(blobiconnamehere);


Bitmap bmpIcon = fileIcon.ToBitmap();

using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
bmpIcon.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
blockBlob.UploadFromStream(ms);
}

Its running but the file icon blob is null(?)

推荐答案

这篇关于MVC AZURE从现有blob上传文件图标的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！