ENH: rename Invoke to InitialPass

Source/cmVTKWrapPythonCommand.h

@@ -24,7 +24,7 @@ public:
    * This is called when the command is first encountered in
    * the CMakeLists.txt file.
    */
-  virtual bool Invoke(std::vector<std::string>& args);
+  virtual bool InitialPass(std::vector<std::string>& args);
   
   /**
    * This is called at the end after all the information