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(VB.NET) OneDrive -- Download Text File to MemoryDownloads a text file (such as XML, JSON, plain-text, HTML, etc.) into a StringBuilder object. Note: This example requires Chilkat v9.5.0.97 or greater.
' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' This example uses the OAuth client credentials flow. ' See How to Create an Azure App Registration for OAuth 2.0 Client Credentials ' Use your client ID, client secret, and tenant ID in the following lines Dim json As New Chilkat.JsonObject json.UpdateString("client_id","2871da2c-8176-4b7f-869b-2311aa82e743") json.UpdateString("client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH") json.UpdateString("scope","https://graph.microsoft.com/.default") json.UpdateString("token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token") Dim http As New Chilkat.Http http.AuthToken = json.Emit() ' Sends the following GET request: ' GET https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{item-path}:/content ' Make sure to automatically follow redirects http.FollowRedirects = True ' This example will download /Misc/hamlet.xml http.SetUrlVar("item_path","Misc/hamlet.xml") http.SetUrlVar("user_id","4fe732c3-322e-4a6b-b729-2fd1eb5c6104") Dim sbXml As New Chilkat.StringBuilder Dim expectedCharset As String = "utf-8" Dim url As String = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content" Dim success As Boolean = http.DownloadSb(url,expectedCharset,sbXml) If (http.LastMethodSuccess <> True) Then Debug.WriteLine(http.LastErrorText) Exit Sub End If ' If the response status code was not 200, then it failed. If (http.LastStatus <> 200) Then Debug.WriteLine("Response Status Code = " & http.LastStatus) Debug.WriteLine("Failed.") Exit Sub End If ' If we got here, then the file was successfully downloaded. Debug.WriteLine("Download from OneDrive successful.") Debug.WriteLine("The file is contained in sbXml.") |
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