Column headers dissapearing from listview

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Hi everyone.

I'm trying to create a custom comtrol much similar to a combobox,but wich display a listview instead of a listbox, where you can add/show columns and items as you would in a regular listview control.

The one problem i'm finding is that after i add the custom control to a form to test the control and add columns and items to the listview, the columns and items i added at design-time dissapear when i run the form.

Curiously, at exception of columns and items, every other property i created keeps the values set at design-time.

I'm starting now creating custom controls and i couldn't find a solution for my problem so far.

Thanks in advance for any help you can give, and sorry for my english but it isn't my first language.

Thanks

Posted 23-May-12 7:12am

Ranopi

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VJ Reddy 23-May-12 20:44pm

Thank you for response and for accepting the solution :)

1 solution

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VJ Reddy · Accepted Answer · 2012-05-23T07:27:00

Solution 1

For the properties of the object set at design to be persisted in the form the DesignerSerializationVisibilityAttribute with the argument DesignerSerializationVisibility.Content is to be used like

VB

<DesignerSerializationVisibility(DesignerSerializationVisibility.Content)> _
Public ReadOnly Property Dimensions() As DimensionData
   Get
       Return New DimensionData(Me)
   End Get
End Property

as explained here
http://msdn.microsoft.com/en-us/library/system.componentmodel.designerserializationvisibilityattribute.aspx#Y1900[^]

Posted 23-May-12 7:27am

VJ Reddy

Comments

Sandeep Mewara 23-May-12 13:43pm

My 5!

Good answer.

Comment from OP:
Thanks a lot.
this worked perfect. I, actually read an article wich says that changes were temporary but couldn't found a solution from there in spite looking for one through there.

Thanks again, a lot

VJ Reddy 23-May-12 20:43pm

Thank you, Sandeep :)

Espen Harlinn 23-May-12 18:18pm

Agree :-D

VJ Reddy 23-May-12 20:43pm

Thank you, Espen :)

Maciej Los 24-May-12 12:00pm

Good answer, +5!

VJ Reddy 25-May-12 6:17am

Thank you, losmac :)

Wendelius 24-May-12 15:02pm

Exactly, my 5.

VJ Reddy 25-May-12 6:18am

Thank you, Mika :)