Why don't my DomainUpDown controls behave correctly?

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Tim Osborne - 17 Aug 2005 15:01 GMT

I have used the DomainUpDown control in my UI to allow a user
to switch units from KB to MB to GB.
The initial text is set to MB.

When the form presents and I click on the upper arrow of the spin portion of
the control
nothing happens.

If I click on the down arrow a couple of times it changes selection and then
the up and down work
correctly.

I have seen this behavior in the simplest example I could produce.
A WinForm with nothing on it but a DomainUpDown.
There are three items defined for the control: KB,MB,GB.
I set the text in the designer to MB.

Is this control just plain broke?

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Bart Mermuys - 17 Aug 2005 17:19 GMT

Hi,

>I have used the DomainUpDown control in my UI to allow a user
> to switch units from KB to MB to GB.
> The initial text is set to MB.

The DomainControl starts with nothing selected (SelectedIndex = -1), so you
can use the Text property to display something that's not in the list, like
"Please select something ....".

But if you want the DomainControl to start with a certain item selected,
then you don't need to set the Text property, but set SelectedIndex to the
index of the item you want, in your case that would be 1 since it's 0 based

Form_load (....)
{
domainUpDown1.SelectedIndex = 1; // MB
}

HTH,
Greetings

> When the form presents and I click on the upper arrow of the spin portion
> of the control
[quoted text clipped - 10 lines]
>
> Is this control just plain broke?

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Why don't my DomainUpDown controls behave correctly?

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