- add power checking for source point

MES_Wind/bin/Debug/MES_Wind.vshost.exe.manifest

+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>

MES_Wind/frmMain.cs

@@ -287,9 +287,14 @@ namespace MES_Wind
             return rval;
         }
 
-        // so, we start at source power Point
+        // so, we start at source power Point; actually call this foreach source point
         public void checkPowerPoint(PowerPointObject sourcePoint)
         {
+            if (!sourcePoint.powerIsON) { 
+                // so we have source without power
+                MessageBox.Show("checkPowerPoint called with disabled source point");
+                return;
+            }
             // looking for unbroken lines and switch power for this point
             foreach (PowerLineObject line in sourcePoint.lines) {
                 if (!line.broken && !line.toPoint.powerIsON) {