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.NET button visibility issue

Question asked by sergio on Oct 26, 2011
Latest reply on Nov 3, 2011 by changmeikuan

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placed .NET button on a panel and made it invisible (in Properties->Behaviour->Visible=false)

later want to make it visible during runtime based on some conditions. Used button.Visible=True.
But it did not work at all. Tried to change diffirent button properties and functions but without success.

Any ideas?

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gojoh Oct 27, 2011 8:42 AM
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This is a bit strange.
Setting Visible to false at design-time and later at run-time set it true works for 'normal' objects but it doesnt seem to work for .NET.
The workaround is of course to programatically set the .NET control to false at the beginning of your program, this works fine.
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sergio Oct 27, 2011 11:42 AM
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I have tried this way already before.

at design time button visible property is being set to True (default value)
at run time setting button.visible to False and the buttong is still visible on the panel!
how did it work for you then?
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changmeikuan Oct 28, 2011 1:57 AM
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Hopefully sample below is useful

button.vee

-mk
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- button.vee6.5 KB
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sergio Oct 28, 2011 5:30 PM
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thanks for the example.
well, I do the same actually. but I want completely hide the button and make it visible when I really need it.
I played with BackColor for the button and got what I want when run my application from VEE.
But runtime version uses a different color for BackColor.
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gojoh Oct 29, 2011 1:51 PM
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Seems correct, in dev env everything looks fine:

But in run-time the background look different even if the control still can be set Visible/Invisible:

So two problems: this and setting the Visible property at design-time. Mei-Kuan?
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- Devenv.JPG45.7 KB
- Runtime.JPG51.3 KB
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changmeikuan Nov 1, 2011 6:50 PM
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I changed the Control Properties back color to Control, and it seems to work for me at run time as well. Would you like to try below?

button.vee button.vxe

-mk
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- button.vee6.6 KB
- button.vxe2.1 KB
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gojoh Nov 3, 2011 1:32 AM
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Yes, you get it to be correct eventually, that is not the point.
There are some strange things (aka bugs) with backcolor settings. Even if the Property editor indicates correct color, another color is actually used.
And these incorrect colors are then used when a runtime version is created.
The serious problem is the fact colors may look correct in dev. env. but becomes wrong in run-time. Seems that colors are not initialized correctly in some situations/objects.

I modified the program to better (?) illustrate the problem(s):

button (1).vee

button (1).vxe
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- button (1).vxe2.0 KB
- button (1).vee7.1 KB
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changmeikuan Nov 3, 2011 1:39 AM
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Yup I notice the backcolor issue too. Looks like a bug for now.

-mk
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.NET button visibility issue

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