思路,用borland扩展的Jdbtable,extends StorageDataSet它原有监听器
public void addColumnChangeListener(ColumnChangeListener listener)
throws TooManyListenersException, DataSetException
{
failIfOpen(); if (listener == null)
throw new IllegalArgumentException(); if (changeListener != null)
throw new TooManyListenersException(); changeListener = listener; if (columnList != null)
columnList.initHasValidations();
}能不能增加public void addColumnFocusListener(ColumnFocusListener listener){
*如何写?
}当然可以扩展
public interface ColumnFocusListener extends FocusListener
{
void focusGained(FocusEvent e) ;
void focusLost(FocusEvent e) ;
}
如果*号处搞定也就行了
public void addColumnChangeListener(ColumnChangeListener listener)
throws TooManyListenersException, DataSetException
{
failIfOpen(); if (listener == null)
throw new IllegalArgumentException(); if (changeListener != null)
throw new TooManyListenersException(); changeListener = listener; if (columnList != null)
columnList.initHasValidations();
}能不能增加public void addColumnFocusListener(ColumnFocusListener listener){
*如何写?
}当然可以扩展
public interface ColumnFocusListener extends FocusListener
{
void focusGained(FocusEvent e) ;
void focusLost(FocusEvent e) ;
}
如果*号处搞定也就行了
解决方案 »
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