fixed: pcbnew crashes when clicking on a zone

include/build_version.h

@@ -5,7 +5,7 @@
 
 COMMON_GLOBL wxString g_BuildVersion
 #ifdef EDA_BASE
-	(wxT("(2007-09-22)"))
+	(wxT("(2007-09-26)"))
 #endif
 ;
 

pcbnew/controle.cpp

@@ -233,6 +233,7 @@ BOARD_ITEM* WinEDA_BasePcbFrame::PcbGeneralLocateAndDisplay( int aHotKeyCode )
         {
             m_Collector->Remove( ii );
             ii--;
+			limit = m_Collector->GetCount();
         }
         else
             timestampzone = item->m_TimeStamp;

pcbnew/edit.cpp

@@ -91,12 +91,16 @@ void WinEDA_PcbFrame::OnLeftClick( wxDC* DC, const wxPoint& MousePos )
         }
         else
         {
-            DrawStruct = PcbGeneralLocateAndDisplay();
-            if( DrawStruct )
-                SendMessageToEESCHEMA( DrawStruct );
+			if ( ! wxGetKeyState(WXK_SHIFT) && ! wxGetKeyState(WXK_ALT) &&
+				! wxGetKeyState(WXK_CONTROL) && ! wxGetKeyState(WXK_TAB))
+			{
+				DrawStruct = PcbGeneralLocateAndDisplay();
+				if( DrawStruct )
+					SendMessageToEESCHEMA( DrawStruct );
+			}
         }
     }
-
+       
     switch( m_ID_current_state )
     {
     case ID_MAIN_MENUBAR:
@@ -321,6 +325,8 @@ void WinEDA_PcbFrame::SendMessageToEESCHEMA( EDA_BaseStruct* objectToSync )
     char    cmd[1024];
     MODULE* module = NULL;
     
+	if ( objectToSync == NULL ) return ;
+
     if( objectToSync->Type() == TYPEMODULE )
         module = (MODULE*) objectToSync;
     else if( objectToSync->Type() == TYPEPAD )
@@ -1253,6 +1259,8 @@ void WinEDA_PcbFrame::OnLeftDClick( wxDC* DC, const wxPoint& MousePos )
         if( (DrawStruct == NULL) || (DrawStruct->m_Flags != 0) )
             break;
 
+        SendMessageToEESCHEMA( DrawStruct );
+
         // Element localis�
         SetCurItem( DrawStruct );