shell32: Add a message for opening files with no association.

dlls/shell32/shell32_En.rc

@@ -282,6 +282,8 @@ STRINGTABLE
 	IDS_CPANEL_TITLE            "Wine Control Panel"
 	IDS_CPANEL_NAME             "Name"
 	IDS_CPANEL_DESCRIPTION      "Description"
+
+        IDS_SHLEXEC_NOASSOC         "There is no Windows program configured to open this type of file."
 }
 
 STRINGTABLE

dlls/shell32/shlexec.c

@@ -45,6 +45,7 @@
 #include "wine/winbase16.h"
 #include "shell32_main.h"
 #include "pidl.h"
+#include "shresdef.h"
 
 #include "wine/debug.h"
 
@@ -1454,6 +1455,9 @@ static void do_error_dialog( UINT_PTR retval, HWND hwnd )
     WCHAR msg[2048];
     int error_code=GetLastError();
 
+    if (retval == SE_ERR_NOASSOC)
+        LoadStringW(shell32_hInstance, IDS_SHLEXEC_NOASSOC, msg, sizeof(msg)/sizeof(WCHAR));
+    else
         FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, NULL, error_code, 0, msg, sizeof(msg)/sizeof(WCHAR), NULL);
 
     MessageBoxW(hwnd, msg, NULL, MB_ICONERROR);

dlls/shell32/shresdef.h

@@ -106,6 +106,8 @@
 #define IDS_RUNDLG_BROWSE_CAPTION   162
 #define IDS_RUNDLG_BROWSE_FILTER    163
 
+#define IDS_SHLEXEC_NOASSOC         164
+
 #define IDS_LICENSE                 256
 #define IDS_LICENSE_CAPTION         257