#include#include #include int main(int argc, char *argv[]) { QFile file(":/data/sample.txt"); if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) { qWarning() << file.errorString(); return -1; } QTextStream in(&file); QString line = in.readLine(); ResourceError error = in.status(); if (error.isNull()) { qInfo() << "No error occurred while reading a line from the resource file"; } return 0; }
#includeThis example reads binary data from a resource file and checks if any resource error occurred during the process. The `isNull()` method is used to determine if the `ResourceError` object is null or not. Package/Library: Qt Core Library#include int main(int argc, char *argv[]) { QResource resource(":/data/sample.png"); QByteArray data = resource.data(); ResourceError error = resource.error(); if (!error.isNull()) { qWarning() << error.message(); } return 0; }