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VC++, nice way to show that an intern calculation is in progress.

I made a VC++ application that displays some calculations results, these calculations can take 4 or 5 seconds and I would like to use something different than the progress control to make the user waiting.
thanks,
m3.
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m3
Asked:
m3
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1 Solution
 
duneramCommented:
Normally you would display a progress bar  you know the blue rectangle that slowly fills up the edit control?

You can use the CProgressCtrl to accomplish it
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duneramCommented:
In the old days before the creation of this class, people used to make a Edit control and then slowly select more and more of the text to give the appearance of having the blue bar grow from left to right until it was at the end point.
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Answers2000Commented:
Progress Controls are the usual, but as you've indicated you don't want one.  

How about an AVI, you can play these pretty easily using the CAnimateCtrl class, and it won't be too unusual as plenty of other apps play these when busy (e.g. Find Files).

If you pick something really bizarre, expect user confusion or compliants.
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m3Author Commented:
It doesn't an alternative solution.
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Answers2000Commented:
m3 can you explain a bit more about what you want.  Your comment is particularly cryptic to me, as I thought CAnimateCtrl was an alternative.

If you don't like this why not
EITHER
(i) Show the results as they become available
OR
(ii) Update the text in the dialog/status bar with messages indicating what's happening, e.g.
"Adding numbers"
after 1 second this changes to
"Doing Y"
after 1 second this changes to
"Doing Z and totalling"
etc.

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m3Author Commented:
I'm intersted in that control, do you have any example of how can I use this control?
Thanks,
m3.
0
 
Answers2000Commented:
OK, steps :

1. First get your AVI file.  Needs to be small 16 color, looping and fit within the other limitations of the control (these are documented in the MS Dev help).

2. Add an "AVI" resource
i. Right click on the resource pane in Dev Studio
ii. Click Import menu
iii. Browse the file name and press Import button
iv. Select a resource type of "AVI".
You should now have a folder in your resource tree called "AVI" with an item under it labelled something like IDR_AVI1.  When you click on this item you have loads of hex (don't worry this is binary-ized version of the AVI contents).

3. Code, I'll give an example for sticking one on a dialog box
i. Bring up the dialog you want to add it to
ii. Click the Animate icon on the dialog controls toolbar (looks live a little bit of a movie film)
iii. Drag out the control where you want it.
iv. Press Ctrl-W to bring up class wizard
v. On member variables tab you'll see the control listed as something like IDC_ANIMATE1
vi. Double click on the name and call it some name like m_animate (of type CAnimateCtrl)
vii. To play the AVI add to the code something like:
    m_animate.Open( IDR_AVI1 ); // open the avi resource.
    m_animate.Play( 0, -1,-1 );//play avi resource.      
First param (0) means play from first frame
Second param (-1) means play to the end
Third param (-1) means keep playing for ever
viii. When you want to stop playing the AVI simply call Stop, example:
m_animate.Stop() ;

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