Signals and Slots Errors - Video

Introduction to Qt/QML - Part 43

22 December 2020

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To watch this video on our website please or view it directly on YouTube

"unresolved external symbol 'public: virtual struct QMetaObject ...'" -- oh, no! Not again! When playing with QObjects and signals and slots, you will sometimes face a somewhat mysterious linker error. What causes it, and how do we solve it? The remedy is just one click away; let's learn what goes on behind the scenes, where the build system meets signals and slots.

The example code showcased in this video is available here: https://github.com/KDAB/kdabtv

Tags:

c++qml qt

Jesper K. Pedersen

HR Director / COO

Jesper K. Pedersen – COO/HR director at KDAB. Jesper has actively developed with Qt since 1998 and, despite his fancy title, still does so.

He has held almost 100 training classes in Qt since 2000. Today, his greatest claim to fame is the QML youtube series and more recently his youtube series called Qt Widgets and More.

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