Chapter03-验证一个句柄是否是继承的

关键是GetHandleInformation函数

GetHandleInformation函数原型：

BOOLGetHandleInformation(HANDLEhObject,PDWORDpdwFlags);

Thisfunctionreturnsthecurrentflagsettingsforthespecifiedhandlein

theDWORDpointedtobypdwFlags.Toseeifahandleisinheritable,

dothefollowing:

	DWORD dwFlags; 
	GetHandleInformation(hObj, &dwFlags); 
	BOOL fHandleIsInheritable = (0 != (dwFlags & HANDLE_FLAG_INHERIT));