hello,

im new in C++.

i need to make a programm to write in a excell cell a number.

i must use OLE Automation.

can you help me?? how i can do it??

thank you

i have made: (may be i have some mistakes)
Code:
 #include "stdafx.h"
      #include <stdio.h>
      #include <windows.h>
      #include <ole2.h>
      #include <assert.h>
      #include <iostream> 
      void main(void) {

	   
      CLSID clsid;
      CLSIDFromProgID(L"Excel.Application", &clsid);  

      
      IUnknown *pUnk;
      HRESULT hr = GetActiveObject(clsid, NULL, (IUnknown**)&pUnk);
	  assert(!FAILED(hr));

      
      IDispatch *pDisp;
      hr = pUnk->QueryInterface(IID_IDispatch, (void **)&pDisp);
      assert(!FAILED(hr));

    
	  if (!pDisp) {
			MessageBoxA(NULL, "Failed to find instance!!", "Error", MB_ICONHAND);
			}
			else {
				MessageBoxA(NULL, "Got instance of Excel!", "Success", MB_OK);
			}

			
			if (pUnk) 
				pUnk->Release();

//here i want to write a number in a cell

			
			if (pDisp)
				pDisp->Release();


			CoUninitialize();

	 }