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0001 # virtual-signal 0002 0003 Warns when a signal is virtual. 0004 0005 0006 Virtual pointers don't compare properly on Windows/MSVC when crossing DLL boundaries. 0007 The pointer points to a DLL-local stub which does the actual call. 0008 0009 Also, virtual signals make it very hard to read connect statements since people don't 0010 know they are virtual, and don't expect them to be. 0011 0012 moc also discourages the use of virtual signals, by printing a non-fatal warning: 0013 `Warning: Signals cannot be declared virtual` 0014 0015 If you really need virtual signals see https://github.com/KDAB/KDDockWidgets/pull/124/commits/7a2ffa030b1b2089ee4cc000a5cc6cf7d1653785 0016 for a workaround