SIMPLE.CPP

// Simple.cpp : Implementation of CSimple 
 
#include "stdafx.h" 
#include "CATLSmpl.h" 
#include "Simple.h" 
 
///////////////////////////////////////////////////////////////////////////// 
// 
 
// Created by the ATL 1.1 COM Wizard 
STDMETHODIMP CSimple::InterfaceSupportsErrorInfo(REFIID riid) 
{ 
    static const IID* arr[] =  
    { 
        &IID_ISimple, 
    }; 
 
    for (int i=0;i<sizeof(arr)/sizeof(arr[0]);i++) 
    { 
        if (InlineIsEqualGUID(*arr[i],riid)) 
            return S_OK; 
    } 
    return S_FALSE; 
} 
 
//Ctor 
CSimple::CSimple() 
    : m_bstrMyProperty(OLESTR("C++ ATL Simple Component")) 
{} 
 
//Put function for myProperty 
STDMETHODIMP CSimple::put_myProperty(BSTR bstrInValue) 
{ 
    if (bstrInValue == NULL) 
        return E_POINTER; 
 
    m_bstrMyProperty = bstrInValue; 
 
    return S_OK; 
} 
 
//Get function for myProperty 
STDMETHODIMP CSimple::get_myProperty(BSTR* pbstrOutValue) 
{ 
    if (pbstrOutValue == NULL) 
        return E_POINTER; 
 
    // Get Value from Property 
    *pbstrOutValue = m_bstrMyProperty.Copy(); 
     
    return S_OK; 
} 
 
//Basic Method to convert a string to uppercase 
STDMETHODIMP CSimple::myMethod(BSTR bstrIn, BSTR* pbstrOut)   
{ 
    if (bstrIn == NULL || pbstrOut == NULL) 
        return E_POINTER; 
 
    // Create a temporary CComBSTR 
    CComBSTR bstrTemp(bstrIn); 
 
    if (!bstrTemp) 
        return E_OUTOFMEMORY; 
 
    // Make string uppercase    
    wcsupr(bstrTemp);   
     
    // Return m_str member of bstrTemp 
    *pbstrOut = bstrTemp.Detach(); 
 
    return S_OK; 
}