1 files changed, 81 insertions, 0 deletions
diff --git a/Src/omBrowser/ieversion.cpp b/Src/omBrowser/ieversion.cpp
new file mode 100644
index 00000000..dc4cb9a4
--- /dev/null
+++ b/Src/omBrowser/ieversion.cpp
@@ -0,0 +1,81 @@
+#include "main.h"
+#include "./ieversion.h"
+
+#include <shlwapi.h>
+#include <strsafe.h>
+
+HRESULT MSIE_GetVersionString(LPWSTR pszBuffer, INT cchBufferMax)
+{
+	if (NULL == pszBuffer) return E_INVALIDARG;
+	
+	HKEY hKey = NULL;
+	LONG result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Internet Explorer", 0,  
+							   STANDARD_RIGHTS_READ | KEY_QUERY_VALUE, &hKey);
+
+	if (ERROR_SUCCESS == result)
+	{
+		DWORD cbBuffer = sizeof(WCHAR) * cchBufferMax;
+		result = RegQueryValueEx(hKey, L"svcVersion", NULL, NULL, (BYTE*)pszBuffer, &cbBuffer); 
+		if (ERROR_SUCCESS != result
+			|| L'\0' == *pszBuffer)
+		{
+			cbBuffer = sizeof(WCHAR) * cchBufferMax;
+			result = RegQueryValueEx(hKey, L"Version", NULL, NULL, (BYTE*)pszBuffer, &cbBuffer); 
+		}
+		RegCloseKey(hKey);
+	}
+
+	if (ERROR_SUCCESS != result)
+	{
+		*pszBuffer = L'\0';
+		return HRESULT_FROM_WIN32(result);
+	}
+
+	return S_OK;
+}
+
+HRESULT MSIE_GetVersion(INT *majorOut, INT *minorOut, INT *buildOut, INT *subBuildOut)
+{	
+	INT szVersion[4] = { 0, 0, 0, 0};
+	WCHAR szBuffer[64] = {0};
+	HRESULT hr = MSIE_GetVersionString(szBuffer, ARRAYSIZE(szBuffer));
+	if (SUCCEEDED(hr)) 
+	{
+		INT index = 0;
+		LPWSTR block = szBuffer;
+		LPWSTR cursor = block;
+
+		for(;;)
+		{
+			if (L'\0' == *cursor)
+			{
+				if (block != cursor && FALSE != StrToIntEx(block,STIF_DEFAULT, &szVersion[index]))
+					index++;
+				break;
+			}
+			else if (L'.' == *cursor)
+			{
+				*cursor = L'\0';
+				if (block != cursor && FALSE != StrToIntEx(block,STIF_DEFAULT, &szVersion[index]))
+				{
+					index++;
+					if (index == ARRAYSIZE(szVersion))
+						break; // too many numbers
+				}
+				cursor++;
+				block = cursor;
+			}
+			cursor++;
+		}
+
+		if (index < ARRAYSIZE(szVersion))
+			hr = E_FAIL;
+	}
+
+	if (NULL != majorOut) *majorOut = szVersion[0];
+	if (NULL != minorOut) *minorOut = szVersion[1];
+	if (NULL != buildOut) *buildOut = szVersion[2];
+	if (NULL != subBuildOut) *subBuildOut = szVersion[3];
+
+	return hr;
+}
+\ No newline at end of file