(Mono C#) Shopify Query a variant for its inventory item ID

Query a product variant to find the ID of its inventory item.

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

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

Chilkat.Http http = new Chilkat.Http();

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

http.Accept = "application/json";

Chilkat.HttpResponse resp = http.QuickRequest("GET","https://{shop}.myshopify.com/admin/api/2020-04/products/{product_id}/variants/{variant_id}.json");
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Debug.WriteLine("Response Status Code: " + Convert.ToString(resp.StatusCode));

Chilkat.JsonObject jsonResponse = new Chilkat.JsonObject();
jsonResponse.Load(resp.BodyStr);
jsonResponse.EmitCompact = false;
Debug.WriteLine(jsonResponse.Emit());

if (resp.StatusCode != 200) {
    Debug.WriteLine("Failed.");

    return;
}

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

// {
//   "id": 12195009364024,
//   "product_id": 1321541042232,
//   "title": "xs",
// ...
//   "inventory_item_id": 12250274365496,
// ...
//   "admin_graphql_api_id": "gid://shopify/ProductVariant/12195009364024"
// }
// 

int id = jsonResponse.IntOf("id");
int product_id = jsonResponse.IntOf("product_id");
string title = jsonResponse.StringOf("title");
int inventory_item_id = jsonResponse.IntOf("inventory_item_id");
string admin_graphql_api_id = jsonResponse.StringOf("admin_graphql_api_id");