Solved

popup menu?

Posted on 1998-08-28
1
196 Views
Last Modified: 2010-03-30
Hi, in my code, I tried to popup a menu after button is
clicked. I just cannot get it work. In the mouse listen
I have code popup.show(this, e.getX(), e.getY());
the runtime error is "parent is null". What should I do?
Can sb. give me working sample code?
Thanks.
Shane
0
Comment
Question by:xiaoxiangz
1 Comment
 

Accepted Solution

by:
milen_n earned 50 total points
ID: 1222894
Did you add the popup menu to your Component (or to one of its parents) before trying to show it?
add(popup);
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
firstswap challenge 20 68
recursion example 16 111
jar file executable 12 43
MySQL  on Tomcat 8 30
INTRODUCTION Working with files is a moderately common task in Java.  For most projects hard coding the file names, using parameters in configuration files, or using command-line arguments is sufficient.   However, when your application has vi…
Java Flight Recorder and Java Mission Control together create a complete tool chain to continuously collect low level and detailed runtime information enabling after-the-fact incident analysis. Java Flight Recorder is a profiling and event collectio…
Viewers learn about the “for” loop and how it works in Java. By comparing it to the while loop learned before, viewers can make the transition easily. You will learn about the formatting of the for loop as we write a program that prints even numbers…
This theoretical tutorial explains exceptions, reasons for exceptions, different categories of exception and exception hierarchy.

895 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

13 Experts available now in Live!

Get 1:1 Help Now