public ExceptionHandlerVM(TypeSigCreatorOptions typeSigCreatorOptions, ExceptionHandlerOptions options)
{
this.typeSigCreatorOptions = typeSigCreatorOptions.Clone("Create an Exception Catch Type");
this.typeSigCreatorOptions.IsLocal = false;
this.typeSigCreatorOptions.NullTypeSigAllowed = true;
this.origOptions = options;
this.handlerTypeVM = new EnumListVM(exceptionHandlerTypeList);
this.tryStartVM = new ListVM<InstructionVM>((a, b) => OnSelectionChanged()) { DataErrorInfoDelegate = VerifyInstruction };
this.tryEndVM = new ListVM<InstructionVM>((a, b) => OnSelectionChanged()) { DataErrorInfoDelegate = VerifyInstruction };
this.filterStartVM = new ListVM<InstructionVM>((a, b) => OnSelectionChanged()) { DataErrorInfoDelegate = VerifyInstruction };
this.handlerStartVM = new ListVM<InstructionVM>((a, b) => OnSelectionChanged()) { DataErrorInfoDelegate = VerifyInstruction };
this.handlerEndVM = new ListVM<InstructionVM>((a, b) => OnSelectionChanged()) { DataErrorInfoDelegate = VerifyInstruction };
Reinitialize();
}
string VerifyInstruction(ListVM<InstructionVM> list)
{
var item = list.SelectedItem;
var instr = item as InstructionVM;
if (item != null && instr == null)
return "Only instructions can be selected";
if (instr != null && instr.Index == -1)
return "Instruction has been removed";
return string.Empty;
}
bool HasListError(ListVM<InstructionVM> list)
{
return !string.IsNullOrEmpty(VerifyInstruction(list)) ;
}
