Chilkat Examples

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C# UWP/WinRT Web API Examples

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(C# UWP/WinRT) WhatsApp - Upload Media

Demonstrates how to upload media to the WhatsApp Business API client. The POST body must contain the binary media data and the Content-Type header must be set to the type of the media being uploaded.

For more information, see https://developers.facebook.com/docs/whatsapp/api/media

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

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

// Implements the following CURL command:

// curl -X POST \
// https://your-webapp-hostname:your-webapp-port/v1/media \
// -H 'Authorization: Bearer your-auth-token' \ 
// -H 'Content-Type: image/jpeg'
// --data-binary @your-file-path

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

Chilkat.BinData bdRequestBody = new Chilkat.BinData();
success = bdRequestBody.LoadFile("your-file-path");
if (success != true) {
    Debug.WriteLine("Failed to load your-file-path");
    return;
}

// Adds the "Authorization: Bearer your-auth-token" header.
http.AuthToken = "your-auth-token";

Chilkat.HttpResponse resp = await http.PBinaryBdAsync("POST","https://your-webapp-hostname:your-webapp-port/v1/media",bdRequestBody,"image/jpeg",false,false);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);
Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact = false;

Debug.WriteLine("Response Body:");
Debug.WriteLine(jResp.Emit());

int respStatusCode = resp.StatusCode;
Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode));
if (respStatusCode >= 400) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(resp.Header);
    Debug.WriteLine("Failed.");

    return;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "messages": [
//     {
//       "id": "gBEGkYiEB1VXAglK1ZEqA1YKPrU"
//     }
//   ]
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

string id;

int i = 0;
int count_i = jResp.SizeOfArray("messages");
while (i < count_i) {
    jResp.I = i;
    id = jResp.StringOf("messages[i].id");
    i = i + 1;
}


 

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