X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b7e94bd7ebc205ffba5e2729b0d465778d4e48c6..3508c1432884472f0d24f0f98c0dc75ed35df297:/interface/wx/cmdproc.h

diff --git a/interface/wx/cmdproc.h b/interface/wx/cmdproc.h
index 9c0c1e909c..eda822251c 100644
--- a/interface/wx/cmdproc.h
+++ b/interface/wx/cmdproc.h
@@ -35,7 +35,7 @@ public:
             Must be supplied for the command processor to display the command
             name in the application's edit menu.
     */
-    wxCommand(bool canUndo = false, const wxString& name = NULL);
+    wxCommand(bool canUndo = false, const wxString& name = wxEmptyString);
 
     /**
         Destructor.
@@ -56,7 +56,7 @@ public:
                 processor that the action is not undoable and should not be
                 added to the command history.
     */
-    bool Do();
+    virtual bool Do() = 0;
 
     /**
         Returns the command name.
@@ -68,7 +68,7 @@ public:
 
         How you implement this command is totally application dependent, but
         typical strategies include:
-        
+
         - Perform an inverse operation on the last modified piece of data in
           the document. When redone, a copy of data stored in command is pasted
           back or some operation reapplied. This relies on the fact that you
@@ -85,7 +85,7 @@ public:
                 processor that the action is not redoable and no change should
                 be made to the command history.
     */
-    bool Undo();
+    virtual bool Undo() = 0;
 };
 
 
@@ -219,13 +219,16 @@ public:
     void SetUndoAccelerator(const wxString& accel);
 
     /**
-        Submits a new command to the command processor. The command processor
-        calls wxCommand::Do() to execute the command; if it succeeds, the
-        command is stored in the history list, and the associated edit menu (if
-        any) updated appropriately. If it fails, the command is deleted
-        immediately. Once Submit() has been called, the passed command should
-        not be deleted directly by the application.
+        Submits a new command to the command processor.
+
+        The command processor calls wxCommand::Do() to execute the command;
+        if it succeeds, the command is stored in the history list, and the
+        associated edit menu (if any) updated appropriately.
+        If it fails, the command is deleted immediately. Once Submit() has been
+        called, the passed command should not be deleted directly by the application.
 
+        @param command
+            The command to submit
         @param storeIt
             Indicates whether the successful command should be stored in the
             history list.