[2005] Hide control subcontrols

Hello ,

i have create my custom form.

in that form i use a lot of controls like labels , panels , buttons etc.

when i inherit from that form in a project i see in propertis not only the form properties but the properties of all the controls i use in my custom from .

Can i hide the contols i use in my custom from from properties ?

have you tried it?

Quote:

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Originally Posted by VBDT

have you tried it?

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what to try ???

you say:

Quote:

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when i inherit from that form in a project i see in propertis not only the form properties but the properties of all the controls i use in my custom from .

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have you tried to set the visible properties of the controls to false?

Quote:

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Originally Posted by VBDT

you say:

have you tried to set the visible properties of the controls to false?

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how i do that ???

Can you post your project?

here is my project

Look at form1 you can each control included in cpmform

which controls do you want to hide? all of them? or some particulare ones?

Quote:

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Originally Posted by VBDT

which controls do you want to hide? all of them? or some particulare ones?

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all of them

VB Code:

'Hides the control with the specified control-name.
        For Each cont As Control In Me.Controls
            If cont.Name = "the name of the control" Then
                cont.Visible = False
            End If
        Next
 
        'Hides all Lable controls on the form.
        For Each cont As Control In Me.Controls
            If cont.GetType.Name = "Lable" Then
                cont.Visible = False
            End If
        Next
        'Hides all the controls.
        For Each cont As Control In Me.Controls
            cont.Visible = False
        Next

You can set the visible properties of the controls by setting it to true the same way.
Not these does not hide controls that are in a container! These are fine for your project since you don't have controls in a container.

Thanks for your help but there is a problem !!!!

I don't want to make the controls of cmpForm unvisible

i want to hide the properties of the controls when i inherit from cmpForm

example: in solution , in test project, In form1 u can see the properties for each control used in cmpForm .

that's are i want to hide !!!

The problem is that you've declared all your child controls as Public. They should be declared Private. You then declare properties of the UserControl itself, e.g.

VB Code:

Public Property SelectedItem() As Object
    Get
        Return Me.ComboBox1.SelectedItem
    End Get
    Set(ByVal value As Object)
        Me.ComboBox.SelectedItem = value
    End Set
End Property

Now the form will set the SelectedItem property of your UserControl and this will set the SelectedItem property of the ComboBox internally, but because the ComboBox has been declared Private it cannot be accessed directly from outside the UserControl.

Quote:

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Originally Posted by jmcilhinney

The problem is that you've declared all your child controls as Public. They should be declared Private. You then declare properties of the UserControl itself, e.g.

VB Code:

Public Property SelectedItem() As Object
    Get
        Return Me.ComboBox1.SelectedItem
    End Get
    Set(ByVal value As Object)
        Me.ComboBox.SelectedItem = value
    End Set
End Property

Now the form will set the SelectedItem property of your UserControl and this will set the SelectedItem property of the ComboBox internally, but because the ComboBox has been declared Private it cannot be accessed directly from outside the UserControl.

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how i declare the contols into cmpform as private ?????

You open your UserControl in the designer, select each control and change it's Modifiers property to Private.

Note that the default access level in VB is Friend, not Public as I said previously. This is aprt of VB's effort to be easier to use for beginners because it means that you can set properties of the controls directly instead of having to declare extra properties in the UserControl. That leads to bad programming habits so all controls should be declared Private, as is the default in C#.

You will also want to change the access level of all controls, which is a very easy operation. Select your UserControl in the designer, press Ctrl+A (the standard "Select All" shortcut) to select every control and component, go to the Properties window, right click the Modifiers property and select "Reset". Done.

Quote:

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Originally Posted by jmcilhinney

You open your UserControl in the designer, select each control and change it's Modifiers property to Private.

Note that the default access level in VB is Friend, not Public as I said previously. This is aprt of VB's effort to be easier to use for beginners because it means that you can set properties of the controls directly instead of having to declare extra properties in the UserControl. That leads to bad programming habits so all controls should be declared Private, as is the default in C#.

You will also want to change the access level of all controls, which is a very easy operation. Select your UserControl in the designer, press Ctrl+A (the standard "Select All" shortcut) to select every control and component, go to the Properties window, right click the Modifiers property and select "Reset". Done.

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if u see in the project i attach to previous post all the modifiers are Private in cmpForm !!!

I didn't say in the form. I said in the UserControl. Open the UserControl in the designer and set the access levels of its child controls. Then when you use that UserControl on a form the private controls will not be able to be accessed directly.

Quote:

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Originally Posted by jmcilhinney

I didn't say in the form. I said in the UserControl. Open the UserControl in the designer and set the access levels of its child controls. Then when you use that UserControl on a form the private controls will not be able to be accessed directly.

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the cmpForm is the contol and there all contols are private.

open the attached solution and u see

I'm not sure where I got the idea that you were creating a UserControl. I must have just made that up. I was under the impression that you were implying that when you used your UserControl ona form you were able to set the properties of the child control. Are you saying that the issue is that in the inherited form you can click on one of the private controls on the base form and all the properties are listed, although they are all read-only? If that's the issue then I'm afraid that you'll have to live with it as it's a function of visual inheritance. You can't see those properties in code but they are always going to be visible in the designer. I'm not aware of any way to avoid that.

If that's not your issue then please explain further.