Copyright

Blitz3D Forums/Blitz3D Beginners Area/Copyright

Thank you, jfk EO-11110!
Now, the programm runs noramlly.
And yes, it was only a demonstration to use extrenal functions.
For everybody, who is interrested in: the data should have inside:
.lib "Shell32.dll"
Copyright(hWnd%,szApp$,szOtherStuff$,hIcon%) : "ShellAboutA"

and the programmcode:

Copyright("0,Blitz Basic test#DLL Test","Blitz Basic forever!,0")
End