MsgElemUploadProgressStringCallback
introduction
Callback for message element uploading progress (String type data callback)
Returned template
void MsgElemUploadProgressStringCallback(string message, int index, int cur_size, int total_size, string user_data);
Return value details
| name | type | description |
|---|---|---|
| message | string | New message |
| index | int | The index of the Elem in json_msg |
| cur_size | int | Current size |
| total_size | int | Total size |
| user_data | string | User-defined data transfered by ImSDK without any processing |