Enable variadic macros for VC9 and later.

[wxWidgets.git] / src / msw / listbox.cpp

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 69281add2b8f7c109a8204041fd30dd2ee868dce..fd17da4b4177f57c1f995954b38b48d646106ec2 100644 (file)
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -306,17 +306,19 @@ bool wxListBox::IsSelected(int N) const
 
 void *wxListBox::DoGetItemClientData(unsigned int n) const
 {
-    wxCHECK_MSG( IsValid(n), NULL,
-                 wxT("invalid index in wxListBox::GetClientData") );
+    LPARAM rc = SendMessage(GetHwnd(), LB_GETITEMDATA, n, 0);
+    if ( rc == LB_ERR && GetLastError() != ERROR_SUCCESS )
+    {
+        wxLogLastError(wxT("LB_GETITEMDATA"));
+
+        return NULL;
+    }
 
-    return (void *)SendMessage(GetHwnd(), LB_GETITEMDATA, n, 0);
+    return (void *)rc;
 }
 
 void wxListBox::DoSetItemClientData(unsigned int n, void *clientData)
 {
-    wxCHECK_RET( IsValid(n),
-                 wxT("invalid index in wxListBox::SetClientData") );
-
     if ( ListBox_SetItemData(GetHwnd(), n, clientData) == LB_ERR )
     {
         wxLogDebug(wxT("LB_SETITEMDATA failed"));