DialogHandler (Big Faceless PDF Library 2.29.6)

```
public interface DialogHandler
```
An interface that can be set on the PDF viewer to display error messages.

Since:

2.29.6

See Also:

PDFViewer.setDialogHandler(org.faceless.pdf2.viewer2.DialogHandler)

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void displayThrowable(Throwable throwable, Component root)
  Display an error message

- Method Detail
  - displayThrowable
```
void displayThrowable(Throwable throwable,
                      Component root)
```
    Display an error message
    
    Parameters:
    
    throwable - the throwable
    
    root - the component on which to display the dialog - normally this is the PDFViewer, but it may be anything or null