I use the following code to set the scrollbar size for CustomListView but it failed on B4XTable. 
https://www.b4x.com/android/forum/threads/scrollbar-size.97757/#content
If I am not mistaken, B4XTable uses a CustomListView name clvData but not sure why it behaves differently. Example code attached.
		
		
	
	
		 
	
			
			https://www.b4x.com/android/forum/threads/scrollbar-size.97757/#content
If I am not mistaken, B4XTable uses a CustomListView name clvData but not sure why it behaves differently. Example code attached.
 
				 
 
		 
 
		 
 
		 
						
					 
 
		 
 
		