C++ WinRT中的事件

注册事件的方法#include winrt/Windows.Foundation.h using namespace winrt::Windows::Foundation; winrt::eventwinrt::delegatevoid(const std::wstring, const float) events; winrt::event_token onChange(winrt::delegatevoid(const std::wstring, const float) const handler) { return events.add(handler); }取消注册事件的方法void Property::offChange(winrt::event_token const token) { events.remove(token); }发射事件的方法//std::wstring name; //float val; events(name, val);使用方的代码onChange([this](const std::wstring name, const float val) { //your code });