added wxGetFullModuleName(); use it instead of calling ::GetModuleFileName() directly

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29441 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/private.h

@@ -46,6 +46,11 @@ static const double twips2mm = (1/(METRIC_CONVERSION_CONSTANT*1440));
 static const double mm2pt = (METRIC_CONVERSION_CONSTANT*72);
 static const double pt2mm = (1/(METRIC_CONVERSION_CONSTANT*72));
 
+// 260 was taken from windef.h
+#ifndef MAX_PATH
+    #define MAX_PATH  260
+#endif
+
 // ---------------------------------------------------------------------------
 // standard icons from the resources
 // ---------------------------------------------------------------------------
@@ -503,6 +508,23 @@ extern "C"
 
 WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
 
+// return the full name of the program file
+inline wxString wxGetFullModuleName()
+{
+    wxString fullname;
+    if ( !::GetModuleFileName
+            (
+                (HMODULE)wxGetInstance(),
+                wxStringBuffer(fullname, MAX_PATH),
+                MAX_PATH
+            ) )
+    {
+        wxLogLastError(_T("GetModuleFileName"));
+    }
+
+    return fullname;
+}
+
 #if wxUSE_GUI
 
 // cursor stuff

src/msw/main.cpp

@@ -77,15 +77,8 @@ WXDLLEXPORT int wxEntry(HINSTANCE hInstance,
     }
 
 #ifdef __WXWINCE__
-    // WinCE doesn't insert the program itself, so let's
-    // do it here.
-    wxString programName;
-
-    if ( ::GetModuleFileName( (HMODULE) wxGetInstance(), wxStringBuffer(programName, MAX_PATH), MAX_PATH ) == 0)
-    {
-        wxLogLastError(_T("GetModuleFileName"));
-    }
-    args.Insert(programName, 0);
+    // WinCE doesn't insert the program itself, so do it ourselves.
+    args.Insert(wxGetFullModuleName(), 0);
 #endif
 
     int argc = args.GetCount();

src/msw/utils.cpp

@@ -94,11 +94,6 @@
     #endif
 #endif
 
-// 260 was taken from windef.h
-#ifndef MAX_PATH
-    #define MAX_PATH  260
-#endif
-
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -434,12 +429,8 @@ const wxChar* wxGetHomeDir(wxString *pstr)
     }
     else // fall back to the program directory
     {
-        wxString strPath;
-        ::GetModuleFileName(::GetModuleHandle(NULL),
-                            wxStringBuffer(strPath, MAX_PATH), MAX_PATH);
-
-        // extract the dir name
-        wxSplitPath(strPath, &strDir, NULL, NULL);
+        // extract the directory component of the program file name
+        wxSplitPath(wxGetFullModuleName(), &strDir, NULL, NULL);
     }
 #endif  // UNIX/Win