Locking controls in a form object

[Guest]

I want to lock all controls except the buttons on a form. I sometimes need
the form to call lockForms(Me).

public sub lockControls(frm as form)
for each ctrl as control in frm
if left(ctrl.name,3)<>"btn" then
ctrl.locked=true
endif
next
end sub

Unfortunitly "ctrl.locked=true" is not valid in .net 2.0.
Is there an equivalent method in 2.0 for this?

Thanks

 

[Guest]

I'm sorry, I need the first line to read:
"I sometimes want to call lockControls(Me)"
Thanks

 

[Cor Ligthert [MVP]]

Rich,

Not really those who are accessible you can enable and dispable and some you
can prevent to edit.

The normal way to see if something is a button is by the way.

If typeof ctr Is Button then

I hope this gives some help,

Cor

 

[Guest]

Hi, thanks for the response

Not really those who are accessible you can enable and dispable and some you
can prevent to edit.

I can't find "noedit" and "enabled" doe not work.

If typeof ctr Is Button then

Yes, that's a better way.. Thanks. I did not think about using "typeof". I
just have a consistant way of naming controls.

It's strange that this capability which I used so much in a previous version
of VB is not available here. I only occasionally need to dynamically "lock"
a control, but it is handy.
In this case I'm trying to make a form for "View" only, so that some people
can look at the values but cannot change them.
Rich

 

[Cor Ligthert [MVP]]

Rich,

NoEdit was a quick way of writting of me, readonly is by instance in the
textbox

http://msdn.microsoft.com/library/d...windowsformstextboxbaseclassreadonlytopic.asp

Enable and disable should work, if you put them in a groupbox you can do
this even in one time. A bad thing from the enable is false is that it shows
up so ugly. However if you create a usercontrol with by instance a method
lock, than you can probably achieve what you want by changing some colours.

http://msdn.microsoft.com/library/d...ystemwindowsformscontrolclassenabledtopic.asp

I assume of course that you are doing this in a windowsform

I hope this helps,

Cor

 

[Guest]

Cor
Using ReadOnly appears to be available only within the form and not a
reference to the form. And it's only available when the control is
referenced by name and not as part of the controls collection. So I cannot
cycle through the controls collection in a sub that was called and passed the
form as a reference and lock the ones I want locked.
It looks like I will have to create a duplicate form for every form that
needs to be displayed read only, and lock every control on it except the
Close button.
How did we end up with a language has greater funtionallity but is less
funtional in the things we need to do. I guess such is progress............
Thanks Cor
Rich

 

[Cor Ligthert [MVP]]

Rich,

You can reach it,

if Typeof ctr Is Textbox then
DirectCast(ctr,Texbox).ReadOnly
End if

Just typed here,

Cor

 

[Guest]

Your the MAN Cor!!!!!

When I implemented the code you gave me (after adding .ReadOnly = True), I
found that only three controls were locked. When I ran it through the
debugger, I found that most of the other controls were in hidden by
GroupBoxes. The GroupBox does not have a ReadOnly so I just set
groupbox.enabled=false. That disabled everything in the group box. Then I
found that the DatTimePicker and ComboBox controls would not work in the
syntax you sent me but they would disable.
So I just disabled every thing except the buttons.

Thanks Cor!