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Progress Bars

Posted on 2000-02-19
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Last Modified: 2010-05-02
I have a several large images that take anywhere from 10 to 25 seconds to load on to a form. I would like to have a progress bar appear and do its thing to show the progress of the image thats being loaded while the images is loading.  Any ideas?
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Question by:wjakubec
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Expert Comment

by:kamall
ID: 2539135
Unfortunately, you can't. LoadPicture is a built-in function for the picture box, image box and forms. Once it is entered,  control will not return to VB until it is completed.
Regards.
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Expert Comment

by:kamall
ID: 2539141
Of course, since you load multiple pictures, you can just show a progress bar that indicates an approximate value. Example:

Picture1.Picture = LoadPicture(...)
ProgressBar1.Value=20

Picture2.Picture = LoadPicture(...)
ProgressBar1.Value=50
....
....
etc.

Something like that...
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Author Comment

by:wjakubec
ID: 2539167
If thats the case then thats the case and I will pass on the points but there hase to be som work around or trick.  I will be opening only one image at a time.
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Accepted Solution

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mcrider earned 195 total points
ID: 2539170
The only "trick" is to show a "loading" animation (animated gif) when loading a picture...


Cheers!
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Expert Comment

by:fibdev
ID: 2539876
If these images are loading onto your main form, then use a splash screen with a timer that lasts the approximate time of the image load (This load time will vary according to processor speed).

If these images appear on a subsequent form, then call the form to load when the main form loads.

Sub Form1_Load()
load frmSlowForm
End Sub

Then when you want to display the form ...

just use frmSlowForm.Show

Don't unload the form until your done with it or it will make you wait again.
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Expert Comment

by:Erick37
ID: 2540220
Screen.MousePointer = vbHourglass
    Picture1.Picture = LoadPicture("...")
    Screen.MousePointer = vbDefault
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Author Comment

by:wjakubec
ID: 2553151
That seems to be the best way to handle this, Thanks to everyone who put forth suggestions
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LVL 14

Expert Comment

by:mcrider
ID: 2554060
Thanks for the points! Glad I could help!


Cheers!
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