C / C++ / MFC

#include <windows.h><br />
<br />
// Declare pattern of function implementation<br />
<br />
int __stdcall		WinMain(HINSTANCE, HINSTANCE, LPSTR, int);<br />
int __stdcall		WndProc(HWND, UINT, WPARAM, LPARAM);<br />
CCoding				clsCoding;<br />
<br />
//<br />
// MD5 structure information<br />
//<br />
typedef struct {<br />
	ULONG i[2];<br />
	ULONG buf[4];<br />
	unsigned char in[64];<br />
	unsigned char digest[16];<br />
} MD5_CTX;<br />
<br />
//<br />
// The MD5Init function initializes an MD5 message digest context.<br />
//<br />
typedef void		(*MD5Init)(MD5_CTX*);<br />
<br />
//<br />
// The MD5Update function updates the MD5 context by using the supplied buffer for the message whose MD5 digest is being generated<br />
//<br />
typedef void		(*MD5Update)(MD5_CTX*, unsigned char* input, unsigned int inlen);<br />
<br />
//<br />
// The MD5Final function ends an MD5 message digest previously started by a call to the MD5Init function<br />
//<br />
typedef	void		(*MD5Final)(MD5_CTX);<br />
// ==============================<br />
<br />
int __stdcall WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)<br />
{<br />
	//<br />
	// Handle to the dll file <br />
	//<br />
	HINSTANCE hinstLib;<br />
<br />
	// ===============================<br />
	// Declare variable of type def <br />
	//<br />
	MD5Init InitializeMD5;<br />
	MD5Update UpdateMD5;<br />
	MD5Final FinalizeMD5;<br />
<br />
	MD5_CTX md5Ctx;<br />
<br />
	// ==============================<br />
<br />
<br />
	hinstLib = LoadLibrary(L"Cryptdll.Dll");<br />
<br />
	// If the handle is valid try to get function address<br />
<br />
	if (hinstLib != NULL)<br />
	{<br />
		InitializeMD5 = (MD5Init) GetProcAddress(hinstLib, ("MD5Init"));<br />
		UpdateMD5 = (MD5Update) GetProcAddress(hinstLib, ("MD5Update"));<br />
		FinalizeMD5 = (MD5Final) GetProcAddress(hinstLib, ("MD5Final"));<br />
<br />
		// If the function address is valid try call function<br />
		if (InitializeMD5 != NULL)<br />
		{	<br />
			(InitializeMD5)(&md5Ctx);<br />
			(UpdateMD5)(&md5Ctx,(unsigned char*) md5Ctx.in, 10);<br />
			(FinalizeMD5)(md5Ctx);<br />
		}<br />
	}<br />
<br />
	DialogBox(hInstance, MAKEINTRESOURCE(IDD_FORMMAIN), NULL, WndProc);<br />
	return 0;<br />
}</windows.h>

<br />
LVFINDINFO info;<br />
int nIndex;	<br />
info.flags = LVFI_STRING;<br />
info.psz = cStrGroupName;<br />
<br />
// Delete all of the items that begin with the string cStrGroupName.<br />
while (-1 != (nIndex=m_lStCtlStationList.FindItem(&info)) )<br />
{<br />
	 m_lStCtlStationList.DeleteItem(nIndex);<br />
		<br />
}<br />