Solved

WaitCursor Between forms often doesn't show up

Posted on 2010-08-17
3
1,016 Views
Last Modified: 2013-12-21
I try to set Cursor.Current=Cursors.WaitCursor, when ever I have a long running operation.  However, I'm noticing, that sometimes it doesn't work or there is a significant delay.  The biggest culprit is when I set it before loading and showing a modal form, ie...

      Cursor.Current = Cursors.WaitCursor;
      Form formToLoad = null;
      switch (formNumber)
      {
        case "1":
          formToLoad = new App1MainMenu();
          break;
        case "2":
          formToLoad = new App2.FDEMainMenu();
          break;
      }
      if (formToLoad != null)
        formToLoad.ShowDialog();


If I break in the debugger prior to the showdialog line, it works fine.  Some ShowDialog trickery in my baseclass also works:

    private void BaseForm_Activated(object sender, EventArgs e)
    {
      Timer cursorTimer = new Timer();
      cursorTimer.Tick += new EventHandler(cursorTimer_Tick);
      cursorTimer.Interval = 500;
      cursorTimer.Enabled = true;

    }

    void cursorTimer_Tick(object sender, EventArgs e)
    {
      Cursor.Current = Cursors.Default;
      ((Timer)sender).Enabled = false;

    }


    new public DialogResult ShowDialog()
    {
      Cursor.Current = Cursors.WaitCursor;
      return base.ShowDialog();
    }


Is there a better way to do this?
0
Comment
Question by:b_levitt
3 Comments
 
LVL 24

Accepted Solution

by:
alexey_gusev earned 500 total points
ID: 33455846
try

Application.DoEvents();

to force it processing all events
0
 
LVL 2

Expert Comment

by:Raymond-Holmboe
ID: 33463462
also, Cursor.Show() may work, right after you change the cursor.
0
 
LVL 11

Author Comment

by:b_levitt
ID: 33991402
I appologize for the delay.  While I've not had a chance to test this fully, DoEvents did seem to work.  Cursor.Show did not.
0

Featured Post

3 Use Cases for Connected Systems

Our Dev teams are like yours. They’re continually cranking out code for new features/bugs fixes, testing, deploying, testing some more, responding to production monitoring events and more. It’s complex. So, we thought you’d like to see what’s working for us.

Question has a verified solution.

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

Today I had a very interesting conundrum that had to get solved quickly. Needless to say, it wasn't resolved quickly because when we needed it we were very rushed, but as soon as the conference call was over and I took a step back I saw the correct …
This article shows how to deploy dynamic backgrounds to computers depending on the aspect ratio of display
Get a first impression of how PRTG looks and learn how it works.   This video is a short introduction to PRTG, as an initial overview or as a quick start for new PRTG users.
With Secure Portal Encryption, the recipient is sent a link to their email address directing them to the email laundry delivery page. From there, the recipient will be required to enter a user name and password to enter the page. Once the recipient …

932 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

6 Experts available now in Live!

Get 1:1 Help Now