wordpad: Show error if file open fails.

programs/wordpad/En.rc

@@ -236,4 +236,6 @@ BEGIN
     STRING_OLE_STORAGE_NOT_SUPPORTED, "OLE storage documents are not supported"
     STRING_WRITE_FAILED,              "Could not save the file."
     STRING_WRITE_ACCESS_DENIED,       "You do not have access to save the file."
+    STRING_OPEN_FAILED,               "Could not open the file."
+    STRING_OPEN_ACCESS_DENIED,        "You do not have access to open the file."
 END

programs/wordpad/No.rc

@@ -236,4 +236,6 @@ BEGIN
     STRING_OLE_STORAGE_NOT_SUPPORTED, "OLE storage documents are not supported"
     STRING_WRITE_FAILED,              "Klarte ikke lagre filen."
     STRING_WRITE_ACCESS_DENIED,       "Du har ikke tilgang til å lagre filen."
+    STRING_OPEN_FAILED,               "Klarte ikke åpne filen."
+    STRING_OPEN_ACCESS_DENIED,        "Du har ikke tilgang til å åpne filen."
 END

programs/wordpad/wordpad.c

@@ -698,6 +698,22 @@ static void set_fileformat(WPARAM format)
     target_device(hMainWnd, wordWrap[reg_formatindex(fileFormat)]);
 }
 
+static void ShowOpenError(DWORD Code)
+{
+    LPWSTR Message;
+
+    switch(Code)
+    {
+        case ERROR_ACCESS_DENIED:
+            Message = MAKEINTRESOURCEW(STRING_OPEN_ACCESS_DENIED);
+            break;
+
+        default:
+            Message = MAKEINTRESOURCEW(STRING_OPEN_FAILED);
+    }
+    MessageBoxW(hMainWnd, Message, wszAppTitle, MB_ICONEXCLAMATION | MB_OK);
+}
+
 static void DoOpenFile(LPCWSTR szOpenFileName)
 {
     HANDLE hFile;
@@ -709,7 +725,10 @@ static void DoOpenFile(LPCWSTR szOpenFileName)
     hFile = CreateFileW(szOpenFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
     if (hFile == INVALID_HANDLE_VALUE)
+    {
+        ShowOpenError(GetLastError());
         return;
+    }
 
     ReadFile(hFile, fileStart, 5, &readOut, NULL);
     SetFilePointer(hFile, 0, NULL, FILE_BEGIN);

programs/wordpad/wordpad.h

@@ -195,6 +195,8 @@
 #define STRING_OLE_STORAGE_NOT_SUPPORTED 1706
 #define STRING_WRITE_FAILED 1707
 #define STRING_WRITE_ACCESS_DENIED 1708
+#define STRING_OPEN_FAILED 1709
+#define STRING_OPEN_ACCESS_DENIED 1710
 
 LPWSTR file_basename(LPWSTR);