in most cases P/Invoke should be considered as a last resort for implementing functionality not available in the .NET Framework classes, or via CAPICOM. Many of the CryptoAPI functions have several arguments with a significant level of complexity, leading to the possibility of coding errors by ...
“on a null object reference”: This part highlights that the object on which the method is being called is null, meaning it has not been initialized or assigned any value. Causes of the Error: The “Attempt to invoke virtual method ‘int android.widget.ProgressBar.getProgress’” error can...