C / C++ / MFC

HKEY_CLASSES_ROOT\htmlfile\DefaultIcon 

HIMAGELIST  hSystemImageList;
SHFILEINFO    ssfi;

hSystemImageList = (HIMAGELIST)SHGetFileInfo((LPCTSTR)_T("c:\\"),0,&ssfi,sizeof(SHFILEINFO),SHGFI_SYSICONINDEX | SHGFI_ICON);

m_ImageList.Attach(hSystemImageList);
    pListCtrl->SetImageList(&m_ImageList,LVSIL_NORMAL);

SHGetFileInfo((LPCTSTR)sPathToYourFile,0,&sfi,sizeof(SHFILEINFO),SHGFI_SYSICONINDEX | SHGFI_ICON );
pListCtrl->InsertItem(nInsertPos,sPathToYourFile,sfi.iIcon);

*pMyVar2 = *pMyVar1;

#include <iostream>
using namespace std;


class Class1
{
public:
	int var1;
	int var2;
};

int main()
{
	Class1 * object1 = new Class1();
	Class1 * object2 = new Class1();

	object1->var1 = 1;
	object1->var2 = 3;

	object2->var1 = 2;
	object2->var2 = 4;

	cout << "Object1 Var1 = " << object1->var1 << endl;
	cout << "Object1 Var2 = " << object1->var2 << endl;
	cout << "Object2 Var1 = " << object2->var1 << endl;
	cout << "Object2 Var2 = " << object2->var2 << endl << endl;

	*object2 = *object1;
	cout << "Object2 Var1 = " << object2->var1 << endl;
	cout << "Object2 Var2 = " << object2->var2 << endl;

	delete object1;
	object1 = NULL;
	delete object2;
	object2 = NULL;

	system( "pause" );
	return 0;
}