0022832: Not documented limitation of Graphic3d_StructureManager

Added information about viewers count limitation in CDL documentation.

src/Graphic3d/Graphic3d_StructureManager.cdl

@@ -62,7 +62,11 @@ is
 
 	Initialize ( aDevice	: GraphicDevice from Aspect )
 	---Level: Public
-	---Purpose: Initialise the constructor of the ViewManager.
+	---Purpose: Initialises the ViewManager.
+	--  Currently creating of more than 100 viewer instances 
+	--  is not supported and leads to InitializationError and 
+	--  initialisation failure.
+	--  This limitation might be addressed in some future OCCT releases.   
 	--  Warning: Raises InitialisationError if the initialisation
 	--	    of the ViewManager failed.
 	raises InitialisationError from Graphic3d;

src/V3d/V3d_Viewer.cdl

@@ -105,6 +105,9 @@ is
         returns mutable Viewer from V3d
         ---Purpose: Create a Viewer on the given device with the given parameters  or
         --          with their default values.
+        --          Currently creating of more than 100 viewer instances 
+	      --          is not supported and leads to an exception.
+	      --          This limitation might be addressed in some future OCCT releases.
         raises BadValue from Viewer ;
         ---Purpose:        If the size of the view is <= 0
         --      if ComputedMode is false, only the degenerate mode will be used.

src/Visual3d/Visual3d_ViewManager.cdl

@@ -59,7 +59,10 @@ is
 		returns mutable ViewManager from Visual3d;
 	---Level: Public
 	---Purpose: Creates a 3D visualizer.
-
+	--  Currently creating of more than 100 viewer instances 
+	--  is not supported and leads to InitializationError and 
+	--  initialisation failure.
+	--  This limitation might be addressed in some future OCCT releases. 
 	---------------------------------------------------
 	-- Category: Methods to modify the class definition
 	---------------------------------------------------