ExportPublicToFile Method
Exports the public key to a file.
Syntax
int ExportPublicToFile(const QString& qsFilename);
Remarks
Use this method to save the public key stored in Key to the file specified by Filename.
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)