C / C++ / MFC

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

<br />
CString cs1, cs2;<br />
//.... some code<br />
<br />
res = ::SendMessage(hwnd, WM_MYMESSAGE, (WPARAM)&cs1, (LPARAM)&cs2);<br />

<br />
class CMyMessageData<br />
{<br />
public:<br />
CString m_str1;<br />
CString m_str2;<br />
....<br />
}<br />
<br />
//....<br />
<br />
CMyMessageData data;<br />
data.m_str1 = cs1;<br />
data.m_str2 = cs2;<br />
<br />
res = ::SendMessage(hwnd, WM_MYMESSAGE, 0L, (LPARAM)&data);<br />

<br />
// pass a copy:<br />
LPTSTR lpsz1 = new TCHAR[cs1.GetLength()+1];<br />
_tcscpy(lpsz1, cs1);<br />
::PostMessage(hwnd, WM_MYMESSAGE, (WPARAM)lpsz1, 0),<br />

CBitmap *CMyImageList::GetBitmap(int index, CSize size, COLORREF clrBkGrnd)
{
  int count = GetImageCount();
 
  if (!(index < count && index >= 0))
    return NULL;
 
  IMAGEINFO info = {0};
  GetImgeInfo(index, &info);
  CSize ImageSize(info.rcImage.right - info.rcImage.left,
                  info.rcimage.bottom - info.rcImage.top);
 
  int x = 0;
  int y = 0;
 
  if (size.cx != ImageSize.cx)
    x = (size.cx - ImageSize.cx) / 2;
 
  if (size.cy != ImageSize.cy)
    y = (size.cy - ImageSize.cy) / 2;
 
  CBitmap *pbmp = NULL;
  CDC DC;
  if (DC.CreateCompatibleDC(NULL))
  {
    int saved = DC.saveDC();
    pbmp = new CBitmap;
    if (pbmp)
    {
      if (pbmp->CreateCompatibleBitmap(NULL, size.cx, size.cy))
      {
        if (DC.SelectObject(pbmp))
        {
          DC.FillSilidRect(0, 0, size.cx, size.cy, clrBkGrnd);
          Draw(&DC, index, CPoint(x, y), ILD_NORMAL);
        }
      }
    }
    DC.RestoreDC(saved);
  }
 
  return pbmp;
}

#ifndef __SIGNED_CODE_H__
#define __SIGNED_CODE_H__
	
// 2004.Oct.03.JED - A quick tool to check the signatures of an Authenticode signed file
//  coded under DevStudio6 for an ATL/WTL project
	
// MSDN Docs
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/seccrypto/security/signedcode.asp
	
// Get the typelib header info
#import "capicom.dll" named_guids no_implementation
	
#pragma once
	
class CSignedCode
{
protected:
	CComQIPtr<CAPICOM::ISignedCode> m_spSignedCode;

public:
	CSignedCode(LPCTSTR pszFileName)
	{
		HRESULT hr = m_spSignedCode.CoCreateInstance(CAPICOM::CLSID_SignedCode);
		if( SUCCEEDED(hr) && pszFileName && *pszFileName )
			SetFileName( pszFileName );
	}
	
	// The act of setting the filename starts the Authenticode check
	HRESULT SetFileName( LPCTSTR pszFileName )
	{
		if( !m_spSignedCode )
			return E_POINTER;
		return m_spSignedCode->put_FileName( CComBSTR(pszFileName) );
	}

	// XP SP2, calling with TRUE displays the warning dialog that is displayed
	// when you run an EXE you just downloaded.
	// THIS DOES NOT DO THE ACTUAL CHECK - SetFileName does
	HRESULT Verify(BOOL bAllowWindowsPromptUI)
	{
		if( !m_spSignedCode )
			return E_POINTER;
		return m_spSignedCode->raw_Verify(bAllowWindowsPromptUI?VARIANT_TRUE:VARIANT_FALSE);
	}

	HRESULT GetDescription(CString& rstrDescription)
	{
		if( !m_spSignedCode )
			return E_POINTER;
		CComBSTR bs;
		HRESULT hr = m_spSignedCode->get_Description(&bs);
		if( SUCCEEDED(hr) )
			rstrDescription = bs;
		return hr;
	}

	HRESULT GetURL(CString& rstrDescriptionURL)
	{
		if( !m_spSignedCode )
			return E_POINTER;
		CComBSTR bs;
		HRESULT hr = m_spSignedCode->get_DescriptionURL(&bs);
		if( SUCCEEDED(hr) )
			rstrDescriptionURL = bs;
		return hr;
	}

	HRESULT GetFileName(CString& rstrFileName)
	{
		if( !m_spSignedCode )
			return E_POINTER;
		CComBSTR bs;
		HRESULT hr = m_spSignedCode->get_FileName(&bs);
		if( SUCCEEDED(hr) )
			rstrFileName = bs;
		return hr;
	}
};

#endif //__SIGNED_CODE_H__