C / C++ / MFC

<br />
    [ComVisible(true)]<br />
    [ClassInterface(ClassInterfaceType.AutoDual)]<br />
    public class Math<br />
    {<br />
        public int Add(int x, int y)<br />
        {<br />
            return x + y;<br />
        }<br />
<br />
        public static int Subtract(int x, int y)<br />
        {<br />
            return x - y;<br />
        }<br />
    }<br />

<br />
#include "stdafx.h"<br />
#include <iostream><br />
<br />
#import "..\\CSharpUsefulLibrary.tlb" raw_interfaces_only<br />
<br />
int _tmain(int argc, _TCHAR* argv[])<br />
{<br />
    CoInitialize(0);<br />
<br />
    CSharpUsefulLibrary::_MathPtr math(__uuidof(CSharpUsefulLibrary::Math));<br />
<br />
    long value;<br />
    math->Add(1, 2, &value);<br />
    std::wcout << "The value is " << value;<br />
<br />
    CoUninitialize();<br />
	return 0;<br />
}<br />

case WM_INITDIALOG:
	LOGFONT lf;
		
	HFONT cFont;
	HWND target = GetDlgItem(hwnd,IDC_STATIC1);
	HFONT hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
	GetObject(hFont, sizeof(LOGFONT), &lf);

	lf.lfHeight = 0;
	cFont = CreateFontIndirect(&lf);
	SendMessage(target,WM_SETFONT,(WPARAM)cFont,MAKELPARAM(TRUE,0));
	SetWindowText(target,_T("C:\\Program Files\\অভিধান: ইংরেজী\\सरकारी &&"));
	break;