diff options
Diffstat (limited to 'src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp')
-rw-r--r-- | src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp b/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp index 932a006436..bafd3f8eb8 100644 --- a/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp @@ -480,7 +480,8 @@ QObject::disconnect(lineEdit, &QLineEdit::textChanged, //! [48] //! [49] -if (isSignalConnected(QMetaMethod::fromSignal(&MyObject::valueChanged))) { +static const QMetaMethod valueChangedSignal = QMetaMethod::fromSignal(&MyObject::valueChanged); +if (isSignalConnected(valueChangedSignal)) { QByteArray data; data = get_the_value(); // expensive operation emit valueChanged(data); |