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| #pragma once
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| #ifndef __cplusplus_cli
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| #error ERROR: msclr libraries are not compatible with /clr:oldSyntax
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| #endif
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| #include <gcroot.h>
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|
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| namespace msclr {
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| namespace delegate_map {
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| namespace internal {
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|
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| template <typename CLASS> class delegate_proxy_factory
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| {
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| typedef typename CLASS::delegate_proxy_type proxy_type;
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| gcroot<proxy_type^> m_gc_managed_native_delegate_proxy;
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|
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| public:
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| delegate_proxy_factory() {}
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|
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| virtual ~delegate_proxy_factory()
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| {
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| if((proxy_type^)m_gc_managed_native_delegate_proxy != nullptr)
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| {
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| m_gc_managed_native_delegate_proxy->detach();
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| }
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| }
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| proxy_type^ get_proxy(CLASS* pNativeTarget)
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| {
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| if((proxy_type^)m_gc_managed_native_delegate_proxy == nullptr)
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| {
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| m_gc_managed_native_delegate_proxy = gcnew proxy_type(pNativeTarget);
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| }
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| return (proxy_type^)m_gc_managed_native_delegate_proxy;
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| }
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| };
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|
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| }
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| }
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| }
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| #define BEGIN_DELEGATE_MAP(CLASS)\
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| ref class delegate_proxy_type;\
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| msclr::delegate_map::internal::delegate_proxy_factory<CLASS> m_delegate_map_proxy;\
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| \
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| ref class delegate_proxy_type\
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| {\
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| CLASS* m_p_native_target;\
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| public:\
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| delegate_proxy_type(CLASS* pNativeTarget) : m_p_native_target(pNativeTarget) {}\
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| void detach() { m_p_native_target = NULL; }
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|
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| #define EVENT_DELEGATE_ENTRY(MEMBER,ARG0,ARG1)\
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| void MEMBER(ARG0 arg0,ARG1 arg1)\
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| {\
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| if(m_p_native_target == NULL)\
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| throw gcnew System::ArgumentNullException("Delegate call failed: Native sink was not attached or has already detached from the managed proxy (m_p_native_target == NULL). Hint: see if native sink was destructed or not constructed properly");\
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| \
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| m_p_native_target->MEMBER(arg0,arg1);\
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| }
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| #define END_DELEGATE_MAP()\
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| };
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| #define MAKE_DELEGATE(DELEGATE,MEMBER)\
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| gcnew DELEGATE(m_delegate_map_proxy.get_proxy(this),&delegate_proxy_type::MEMBER)
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|
