Hide tooltip if binding is null

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情深已故 2021-02-01 14:33
Currently i\'ve got the following code to show a tooltip.

      
      
        
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                   醉梦人生
                                             
                
                
                (楼主)
            
              
              
                2021-02-01 15:15
              

            
            
                        
One way you can do that is wrap the ToolTip in a Rectangle and give it a Transparent color. Then you just set the Visibility to Collapsed on this Rectangle.

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