Progress Bar Question...

[Mothra]

I have an MDI app and one of the child forms takes a few seconds to open up. I want to put a progress bar in the status bar of the MDIParent that tracks the progress of the form opening. My problem is that I don't know how to get the progress of the form opening. Is it possible??

[Iceplug]

If you can't get any progress indicator, then that will defeat the whole purpose of a progress bar. ;)

[Robby]

I gues you can put a small dialog box with a "Please wait" message.

[Mothra]

Solution (for now...)

 

I thought of a to "cheat" a bit. On the MDIParent form, I placed a timer and in the Tick event, I increment the progress bar. Then, I put a switch in so when the progressbar value reaches (let's just say 75) is fires off the child form's Show() method and then, when the progressbar's value hits 100, it sets the visibility to false. Here's what the code looks like...

 

Me.ProgressBar1.Value += 1
Dim f As Form2 = New Form2
f.MdiParent = Me
Select Case Me.ProgressBar1.Value
     Case 75
         f.Show()
     Case 100
         Me.ProgressBar1.Visible = False
         Me.Timer2.Enabled = False
End Select

 

I haven't tried this at work (where the real project is...) yet but, I have feeling this will do the trick untill I can find a better way to do it.

[sde]

what is making Form2 take so long to open?

[Mothra]

I have no idea...nor do I know how to find out. There's nothing on it but normal controls. Nothing fancy, and, as it turns out, it's only the first time it opens. If I open subsequent iterations of the form, it's pretty fast. I dunno, I was just trying to deal with it.

[ballisticnylon]

I have no idea...nor do I know how to find out. There's nothing on it but normal controls. Nothing fancy, and, as it turns out, it's only the first time it opens. If I open subsequent iterations of the form, it's pretty fast. I dunno, I was just trying to deal with it.

 

Are you filling a dataset? Anything that would take time? Does Form_Load call anything that would explain why the first load takes so long but subsequent loads don't? Post code. We'll perform a full biopsy,

[Mothra]

I'm populating a couple of comboboxes from an array. That's it. no data retieval or manipulation of any kind. I'll have post the code tomorrow when I get to work...

[Mothra]

Slow loading form...

 

Here is the project (i thought it may help to be able to see it all...). I went over the code this morning and the only thing in the child form's load is a call to 3 subs to format some datagrids. I tried commenting the calls and the sub out and no chnge...

slow loading form.zip

Edited September 12, 2004 by PlausiblyDamp