.Property("ctrl")

gistfile1.txt

panic: invalid memory address or nil pointer dereference
fatal error: panic during malloc
[signal 0xc0000005 code=0x0 addr=0x20 pc=0x41b5ea]

runtime stack:
runtime.panic(0x4f2760, 0x671578)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/panic.c:233 +0x2b
runtime: unexpected return pc for runtime.sigpanic called from 0x6fcaef11

goroutine 4 [syscall]:
runtime.cgocall(0x48c5fb, 0x3156b8)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/cgocall.c:149 +0x10c fp=0x3156ac
gopkg.in/qml%2ev0._Cfunc_objectGetProperty(0x329b5b28, 0x32a1f2b8, 0x124b7250, 0x3156dc)
        C:/Users/Maxim/AppData/Local/Temp/go-build746801743/gopkg.in/qml.v0/_obj/_cgo_defun.c:382 +0x33 fp=0x3156b8
gopkg.in/qml%2ev0.func┬╖019()
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/qml.go:513 +0x41 fp=0x3156d0
gopkg.in/qml%2ev0.hookIdleTimer()
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/bridge.go:178 +0x53 fp=0x3156e8
----- stack segment boundary -----
runtime.cgocallbackg1()
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/cgocall.c:296 +0xb4 fp=0x31574c
runtime.cgocallbackg()
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/cgocall.c:266 +0x7a fp=0x315754
runtime.cgocallback_gofunc(0x403bb0, 0x48c0fb, 0x3157a0)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/asm_386.s:676 +0x57 fp=0x315764
runtime.asmcgocall(0x48c0fb, 0x3157a0)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/asm_386.s:584 +0x22 fp=0x315768
runtime.cgocall(0x48c0fb, 0x3157a0)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/cgocall.c:149 +0x120 fp=0x315794
gopkg.in/qml%2ev0._Cfunc_applicationExec(0x6790e8)
        C:/Users/Maxim/AppData/Local/Temp/go-build746801743/gopkg.in/qml.v0/_obj/_cgo_defun.c:58 +0x33 fp=0x3157a0
gopkg.in/qml%2ev0.guiLoop()
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/bridge.go:43 +0xe9 fp=0x3157cc
runtime.goexit()
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/proc.c:1394 fp=0x3157d0
created by gopkg.in/qml%2ev0.Init
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/qml.go:44 +0x8c

goroutine 1 [chan receive]:
gopkg.in/qml%2ev0.RunMain(0x124ca8e0)
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/bridge.go:76 +0xa4
gopkg.in/qml%2ev0.(*Common).Property(0x124b02d8, 0x5034c8, 0x4, 0x0, 0x0)
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/qml.go:514 +0xf7
main.run(0x1, 0xffffffff)
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/examples/customtype/customtype.go:38 +0x133
main.main()
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/examples/customtype/customtype.go:11 +0x20

goroutine 3 [syscall]:
runtime.goexit()
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/proc.c:1394
exit status 2