diff --git a/source/g3d_viewer/main.cpp b/source/g3d_viewer/main.cpp
index 4fcb4669..7dea4c18 100644
--- a/source/g3d_viewer/main.cpp
+++ b/source/g3d_viewer/main.cpp
@@ -37,6 +37,12 @@
   #define _strnicmp strncasecmp
 #endif
 
+#if wxCHECK_VERSION(2, 9, 1)
+	#define WX2CHR(x) (x.mb_str())
+#else
+	#define WX2CHR(x) (wxConvCurrent->cWX2MB(x))
+#endif
+
 using namespace Shared::Platform;
 using namespace Shared::PlatformCommon;
 using namespace Shared::Graphics;
@@ -2136,8 +2142,12 @@ bool App::OnInit() {
 	bool foundInvalidArgs = false;
 	const int knownArgCount = sizeof(GAME_ARGS) / sizeof(GAME_ARGS[0]);
 	for(int idx = 1; idx < argc; ++idx) {
+#if wxCHECK_VERSION(2, 9, 1)
+		const wxWX2MBbuf tmp_buf = wxConvCurrent->cWX2MB(argv[idx].wc_str());
+#else
 		const wxWX2MBbuf tmp_buf = wxConvCurrent->cWX2MB(argv[idx]);
-		if( hasCommandArgument(knownArgCount, (wxChar**)&GAME_ARGS[0], (const char *)tmp_buf, NULL, 0, true) == false &&
+#endif
+if( hasCommandArgument(knownArgCount, (wxChar**)&GAME_ARGS[0], (const char *)tmp_buf, NULL, 0, true) == false &&
 			argv[idx][0] == '-') {
 			foundInvalidArgs = true;
 
@@ -2147,7 +2157,7 @@ bool App::OnInit() {
 
     if(foundInvalidArgs == true ||
     	hasCommandArgument(argc, argv,(const char *)wxConvCurrent->cWX2MB(GAME_ARGS[GAME_ARG_HELP])) == true) {
-    	printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),foundInvalidArgs);
+		printParameterHelp(static_cast<const char*>(WX2CHR(argv[0])), foundInvalidArgs);
 		return false;
     }
 
@@ -2167,7 +2177,11 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
+#if wxCHECK_VERSION(2, 9, 1)
+		string options = argv[foundParamIndIndex].ToStdString();
+#else
         string options = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+#endif
         vector<string> paramPartTokens;
         Tokenize(options,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2213,7 +2227,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string customPath = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string customPath = static_cast<const char*>(WX2CHR(argv[foundParamIndIndex]));
         vector<string> paramPartTokens;
         Tokenize(customPath,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2239,15 +2253,15 @@ bool App::OnInit() {
             	}
             }
             else {
-            	printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            	printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+				printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", static_cast<const char*>(WX2CHR(argv[foundParamIndIndex])), (paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+				printParameterHelp(WX2CHR(argv[0]),false);
             	return false;
             }
 
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", static_cast<const char*>(WX2CHR(argv[foundParamIndIndex])),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2263,7 +2277,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string customPath = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string customPath = (const char*)WX2CHR(argv[foundParamIndIndex]);
         vector<string> paramPartTokens;
         Tokenize(customPath,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2276,8 +2290,8 @@ bool App::OnInit() {
 
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char*)WX2CHR(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2293,7 +2307,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string customPath = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string customPath = (const char*)WX2CHR(argv[foundParamIndIndex]);
         vector<string> paramPartTokens;
         Tokenize(customPath,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2305,8 +2319,8 @@ bool App::OnInit() {
 			#endif
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", (const char*)WX2CHR(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2321,7 +2335,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string customPath = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string customPath = (const char*)WX2CHR(argv[foundParamIndIndex]);
         vector<string> paramPartTokens;
         Tokenize(customPath,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2333,8 +2347,8 @@ bool App::OnInit() {
 			#endif
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", (const char*)WX2CHR(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2349,7 +2363,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string customPath = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string customPath = (const char*)WX2CHR(argv[foundParamIndIndex]);
         vector<string> paramPartTokens;
         Tokenize(customPath,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2361,8 +2375,8 @@ bool App::OnInit() {
 			#endif
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", (const char*)WX2CHR(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2377,7 +2391,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string value = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string value = (const char*)WX2CHR(argv[foundParamIndIndex]);
         vector<string> paramPartTokens;
         Tokenize(value,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2385,8 +2399,8 @@ bool App::OnInit() {
         	printf("newAnimValue = %f\n",newAnimValue);
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", (const char*)WX2CHR(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2401,7 +2415,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string value = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string value = (const char*)WX2CHR(argv[foundParamIndIndex]);
         vector<string> paramPartTokens;
         Tokenize(value,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2409,8 +2423,8 @@ bool App::OnInit() {
         	//printf("newParticleLoopValue = %d\n",newParticleLoopValue);
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", (const char*)WX2CHR(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2425,7 +2439,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string value = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string value = (const char*)WX2CHR(argv[foundParamIndIndex]);
         vector<string> paramPartTokens;
         Tokenize(value,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2433,8 +2447,8 @@ bool App::OnInit() {
         	//printf("newAnimValue = %f\n",newAnimValue);
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", (const char*)WX2CHR(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2449,7 +2463,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string value = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string value = (const char*)WX2CHR(argv[foundParamIndIndex]);
         vector<string> paramPartTokens;
         Tokenize(value,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2457,8 +2471,8 @@ bool App::OnInit() {
         	//printf("newAnimValue = %f\n",newAnimValue);
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", (const char*)WX2CHR(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2473,7 +2487,7 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string value = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string value = static_cast<const char*>(WX2CHR(argv[foundParamIndIndex]));
         vector<string> paramPartTokens;
         Tokenize(value,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
@@ -2481,8 +2495,8 @@ bool App::OnInit() {
         	//printf("newAnimValue = %f\n",newAnimValue);
         }
         else {
-            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid path specified on commandline [%s] value [%s]\n\n", static_cast<const char*>(WX2CHR(argv[foundParamIndIndex])),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2496,15 +2510,15 @@ bool App::OnInit() {
             hasCommandArgument(argc, argv,(const char*)param,&foundParamIndIndex);
         }
         //printf("foundParamIndIndex = %d\n",foundParamIndIndex);
-        string value = (const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]);
+        string value = static_cast<const char*>(WX2CHR(argv[foundParamIndIndex]));
         vector<string> paramPartTokens;
         Tokenize(value,paramPartTokens,"=");
         if(paramPartTokens.size() >= 2 && paramPartTokens[1].length() > 0) {
         	fileFormat = paramPartTokens[1];
         }
         else {
-            printf("\nInvalid value specified on commandline [%s] value [%s]\n\n",(const char *)wxConvCurrent->cWX2MB(argv[foundParamIndIndex]),(paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
-            printParameterHelp(wxConvCurrent->cWX2MB(argv[0]),false);
+            printf("\nInvalid value specified on commandline [%s] value [%s]\n\n", static_cast<const char*>(WX2CHR(argv[foundParamIndIndex])), (paramPartTokens.size() >= 2 ? paramPartTokens[1].c_str() : NULL));
+            printParameterHelp(WX2CHR(argv[0]),false);
             return false;
         }
     }
@@ -2518,7 +2532,7 @@ bool App::OnInit() {
 		auto_ptr<wchar_t> wstr(Ansi2WideString(modelPath.c_str()));
 		modelPath = utf8_encode(wstr.get());
 #else
-		modelPath = wxFNCONV(argv[1]);
+		modelPath = static_cast<const char*>(WX2CHR(argv[1]));
 #endif
 
 //#else
@@ -2548,7 +2562,7 @@ bool App::OnInit() {
 	auto_ptr<wchar_t> wstr(Ansi2WideString(appPath.c_str()));
 	appPath = utf8_encode(wstr.get());
 #else
-	string appPath(wxFNCONV(exe_path));
+	string appPath(static_cast<const char*>(WX2CHR(exe_path)));
 #endif
 
 //#else
diff --git a/source/glest_map_editor/main.cpp b/source/glest_map_editor/main.cpp
index 9f19ff49..2e3ffe7c 100644
--- a/source/glest_map_editor/main.cpp
+++ b/source/glest_map_editor/main.cpp
@@ -720,9 +720,9 @@ void MainWindow::onMenuFileLoad(wxCommandEvent &event) {
 
 			auto_ptr<wchar_t> wstr(Ansi2WideString(currentFile.c_str()));
 			currentFile = utf8_encode(wstr.get());
+#elif wxCHECK_VERSION(2, 9, 1)
+			currentFile = fileDialog->GetPath().ToStdString();
 #else
-			//currentFile = fileDialog->GetPath().ToAscii();
-
 			const wxWX2MBbuf tmp_buf = wxConvCurrent->cWX2MB(fileDialog->GetPath());
 			currentFile = tmp_buf;
 #endif
@@ -796,8 +796,9 @@ void MainWindow::onMenuFileSaveAs(wxCommandEvent &event) {
 
 		auto_ptr<wchar_t> wstr(Ansi2WideString(currentFile.c_str()));
 		currentFile = utf8_encode(wstr.get());
+#elif wxCHECK_VERSION(2, 9, 1)
+		currentFile = fileDialog->GetPath().ToStdString();
 #else
-		 //currentFile = fd.GetPath().ToAscii();
 		const wxWX2MBbuf tmp_buf = wxConvCurrent->cWX2MB(fd.GetPath());
 		currentFile = tmp_buf;
 #endif
@@ -1655,8 +1656,12 @@ bool App::OnInit() {
 			exit (0);
 		}
 //#if defined(__MINGW32__)
+#if wxCHECK_VERSION(2, 9, 1)
+		fileparam = argv[1].ToStdString();
+#else
 		const wxWX2MBbuf tmp_buf = wxConvCurrent->cWX2MB(argv[1]);
 		fileparam = tmp_buf;
+#endif
 
 #ifdef WIN32
 		auto_ptr<wchar_t> wstr(Ansi2WideString(fileparam.c_str()));
@@ -1686,6 +1691,8 @@ bool App::OnInit() {
 
 	auto_ptr<wchar_t> wstr(Ansi2WideString(appPath.c_str()));
 	appPath = utf8_encode(wstr.get());
+#elif wxCHECK_VERSION(2, 9, 1)
+	appPath = exe_path.ToStdString();
 #else
 	appPath = wxFNCONV(exe_path);
 #endif