diff options
Diffstat (limited to 'src/serialbus/doc/src/passthrucan.qdoc')
-rw-r--r-- | src/serialbus/doc/src/passthrucan.qdoc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/serialbus/doc/src/passthrucan.qdoc b/src/serialbus/doc/src/passthrucan.qdoc index 21e6283..eff2ef7 100644 --- a/src/serialbus/doc/src/passthrucan.qdoc +++ b/src/serialbus/doc/src/passthrucan.qdoc @@ -99,9 +99,13 @@ signal: \code - connect(device, &QCanBusDevice::stateChanged, - this, &MyClass::canStateChanged); - device->connectDevice(); + if (!device) { + // Error handling goes here + } else { + connect(device, &QCanBusDevice::stateChanged, + this, &MyClass::canStateChanged); + device->connectDevice(); + } \endcode \l {QCanBusDevice::}{state()} will return \l {QCanBusDevice::}{ConnectedState} |