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Torque/SDK/lib/mayamacsdk5/include/maya/MConditionMessage.h

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+
+#ifndef _MConditionMessage
+#define _MConditionMessage
+//
+// *****************************************************************************
+//  Copyright (C) 1999-2003 Alias | Wavefront, Inc.
+//  
+//  These coded instructions, statements and computer programs contain
+//  unpublished information proprietary to Alias | Wavefront, Inc. and
+//  are protected by the Canadian and US federal copyright law. They
+//  may not be disclosed to third parties or copied or duplicated, in
+//  whole or in part, without prior written consent of
+//  Alias | Wavefront Inc.
+//  
+//  Unpublished -- rights reserved under the Copyright Laws of
+//  the United States.
+//  
+// *****************************************************************************
+//
+// CLASS:    MConditionMessage
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MConditionMessage)
+//
+// This class is used to register callbacks for changes to specific
+// conditions and/or to determine the current state of a condition.
+// 
+// The addConditionCallback method allows callbacks to be registered
+// for the following messages:
+// 	   Condition Changed
+// 
+// The first parameter passed to the add callback method is the 
+// name of the condition that will trigger the callback.  The names of
+// available conditions can be retrieved with the getConditionNames
+// method.
+// 
+// Callbacks that are registered for conditions will be passed an
+// bool parameter that is the state of the condition.
+// 
+// Each method returns an id which is used to remove the callback.
+// 
+// To remove a callback use MMessage::removeCallback.
+// 
+// All callbacks that are registered by a plug-in must be removed by that
+// plug-in when it is unloaded. Failure to do so will result in a fatal error.
+//
+// The getConditionState method is used to return the current status
+// of the specified condition.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// *****************************************************************************
+
+// INCLUDED HEADER FILES
+
+
+#include <maya/MMessage.h>
+#include <maya/MString.h>
+#include <maya/MStringArray.h>
+
+// *****************************************************************************
+
+// DECLARATIONS
+
+
+// *****************************************************************************
+
+// CLASS DECLARATION (MConditionMessage)
+
+/// Condition change messages 
+/**
+*/
+#ifdef _WIN32
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYA_EXPORT MConditionMessage : public MMessage
+{ 
+public:
+	///
+	static MCallbackId	addConditionCallback(
+								const MString& condition,
+								void (*func)( bool state,
+											  void* clientData ),
+								void * clientData = NULL,
+								MStatus * ReturnStatus = NULL );
+
+	///
+	static MStatus		getConditionNames( MStringArray & names );
+
+	///
+	static bool			getConditionState( const MString& condition,
+										   MStatus * ReturnStatus = NULL );
+
+private: 
+	static const char* className();
+};
+
+#ifdef _WIN32
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+// *****************************************************************************
+
+#endif /* __cplusplus */
+#endif /* _MConditionMessage */