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Need to progrmatically show a dialog box and close it

Posted on 2008-10-22
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Last Modified: 2013-11-08
Using VS 2008, .NET 3.5, C#, Windows form

I have an app that queries AD (LDAP) on startup. This takes approx 8 seconds. I'd like to pop up a dialog box saying something like "System is loading...please wait." prior to the LDAP call - no buttons or return values on the dialog box. Then, once the AD has been queried and loaded into my program I need to progrmatically close the dialog box. The MessageBox control does not seem to allow me to close it within my code and I have not found an easy way to do this. Any ideas Experts?

Thanks.
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Question by:kalittaair
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LVL 13

Expert Comment

by:TechTiger007
ID: 22781064
create a form with your message on it.
From the code create an object of this form and display.  Once the data is loaded you can close the form from the code
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Expert Comment

by:jorgesv13
ID: 22781091
You can also create a Form with your message, and set it as "Splash Screen", in the Project Properties.
This way, the Splash Form will be displayed while your main Form is loading and querying the AD
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Author Comment

by:kalittaair
ID: 22781225
Can either of you supply me with some sample code for this, both to create and to close the dialog box?

Thanks.
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LVL 8

Expert Comment

by:jorgesv13
ID: 22781281
For setting a Form as SplashScreen, you have to:
- Create (design) a Form with your custom message
- Right-click on the Project, and choose "Properties"
- In the Application TAB, the last Option is "Splash Screen", there you can select your previously created Form

No additional code is needed for this.
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Accepted Solution

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TechTiger007 earned 250 total points
ID: 22781378
Dim form As New MessageForm
form.Show()
form.Close()

Here MessageForm is your form with message
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Author Comment

by:kalittaair
ID: 22782570
jorgesv13 - Please confirm your instructions. Using VS 2008, right-click on the project, chose properties, I see nothing about a "splash screen" under the Application tab. I do see "Startup Object" but my only choice under there is ProjectName.Program.

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Expert Comment

by:jorgesv13
ID: 22783236
Sorry, I thought it should be the same as in VS2005.
I'm attaching an image of the Application tab, where I normally set the Splash Screen Form.
vs2005.JPG
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Author Closing Comment

by:kalittaair
ID: 31508946
Thanks!
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