(VB.NET UWP/WinRT) Shopify Set inventory levels to a certain amount

Use the set endpoint with the location ID and inventory item ID to set an inventory level to a specific value.

For more information, see https://shopify.dev/tutorials/manage-product-inventory-with-admin-api#update-inventory-levels-for-a-product-variant

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http

http.Login = "SHOPIFY_PRIVATE_API_KEY"
http.Password = "SHOPIFY_PRIVATE_API_KEY"

' Also see: How to retrieve inventory levels

http.Accept = "application/json"

' The following JSON is sent in the request body:

' {
'   "location_id": 6884556842,
'   "inventory_item_id": 12250274365496,
'   "available": 1
' }

' Use this online tool to generate the code from sample JSON: 
' Generate Code to Create JSON

Dim jsonRequestBody As New Chilkat.JsonObject
jsonRequestBody.UpdateInt("location_id",6884556842)
jsonRequestBody.UpdateInt("inventory_item_id",12250274365496)
jsonRequestBody.UpdateInt("available",1)


Dim url As String = "https://{shop}.myshopify.com/admin/api/2020-04/inventory_levels/set.json"


Dim resp As Chilkat.HttpResponse = Await http.PTextAsync("POST",url,jsonRequestBody.Emit(),"utf-8","application/json",False,False)
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("Response Status Code: " & resp.StatusCode)

Dim jsonResponse As New Chilkat.JsonObject
jsonResponse.Load(resp.BodyStr)
jsonResponse.EmitCompact = False
Debug.WriteLine(jsonResponse.Emit())

If (resp.StatusCode >= 300) Then
    Debug.WriteLine("Failed.")

    Exit Sub
End If




' Sample output...
' (See the parsing code below..)
' 
' Use the this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON


' {
'   "inventory_level": {
'     "inventory_item_id": 12250274365496,
'     "location_id": 6884556842,
'     "available": 1,
'     "updated_at": "2018-06-26T15:44:33-04:00",
' ...
'     "admin_graphql_api_id": "gid://shopify/InventoryLevel/6485147690?inventory_item_id=12250274365496"
' ...
'   }
' }
' 


Dim inventory_levelInventory_item_id As Integer = jsonResponse.IntOf("inventory_level.inventory_item_id")
Dim inventory_levelLocation_id As Integer = jsonResponse.IntOf("inventory_level.location_id")
Dim inventory_levelAvailable As Integer = jsonResponse.IntOf("inventory_level.available")
Dim inventory_levelUpdated_at As String = jsonResponse.StringOf("inventory_level.updated_at")
Dim inventory_levelAdmin_graphql_api_id As String = jsonResponse.StringOf("inventory_level.admin_graphql_api_id")