dlprows

Stacktrace:

  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) object.__icall_wrapper_mono_object_isinst (object,intptr) <IL 0x00008, 0x0005f>
  at (wrapper stelemref) object.virt_stelemref_class (intptr,object) <IL 0x00023, 0x00062>
  at System.Collections.Immutable.ImmutableArray`1/Builder<T_REF>.ToArray () <IL 0x00020, 0x0008b>
  at System.Collections.Immutable.ImmutableArray`1/Builder<T_REF>.ToImmutable () <IL 0x0000f, 0x0007f>
  at Microsoft.CodeAnalysis.ArrayBuilder`1<T_REF>.ToImmutable () <IL 0x00006, 0x00022>
  at Microsoft.CodeAnalysis.ArrayBuilder`1<T_REF>.ToImmutableAndFree () <IL 0x00001, 0x00015>
  at Microsoft.CodeAnalysis.CommonReferenceManager`2<TCompilation_REF, TAssemblySymbol_REF>.ResolveMetadataReferences (TCompilation_REF,System.Collections.Generic.Dictionary`2<string, System.Collections.Generic.List`1<Microsoft.CodeAnalysis.CommonReferenceManager`2/ReferencedAssemblyIdentity<TCompilation_REF, TAssemblySymbol_REF>>>,System.Collections.Immutable.ImmutableArray`1<Microsoft.CodeAn

dlprows

static NSArray* devices;

void startMT(){
  devices = CFBridgingRelease(MTDeviceCreateList());
  for(int i = 0; i < devices.count; i++)
  {
    MTDeviceRef device = (__bridge MTDeviceRef)devices[i];
    MTRegisterContactFrameCallback(device, mtcallback);
    MTDeviceStart(device, 0);
  }