Using delegate to pass data.

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Hi

I want to pass date from a form to another using delegate. This is the code :

C#

public delegate void delEditareContact(ListViewItem text);
            delEditareContact nume = new delEditareContact(ec.NumeData);
            nume(this.LWContacte.Items[0]);


            delEditareContact nr_telefon = new delEditareContact(ec.NrTelefonData);
            nr_telefon(this.LWContacte.Items[0].SubItems[1]);

The bolded text is the problem.. I think i can't pass a subitem of a listview, only items..

Please help me in this regard!

the error is: cannot convert from 'System.Windows.Forms.ListViewItem.ListViewSubItem' to 'System.Windows.Forms.ListViewItem'

Posted 29-Apr-11 0:04am

Mitran Stefanita Alexandru

Updated 29-Apr-11 0:15am

Olivier Levrey

v4

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Olivier Levrey 29-Apr-11 6:15am

Edited tags.

4 solutions

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CodeHawkz · Answer 1 · 2011-04-29T00:13:00

Solution 2

The error you get is pretty straight forward. Either change the delegate to accept ListViewITem or pass the value of the this.LWContacte.Items[0].

What's the problem?

Posted 29-Apr-11 0:13am

CodeHawkz

Comments

Ryan Zahra 29-Apr-11 6:14am

Same thoughts. My 5.

CodeHawkz 29-Apr-11 6:56am

:) Thanks

RaviRanjanKr 29-Apr-11 14:37pm

Nice Answer! My 5 :)

Ryan Zahra · Answer 2 · 2011-04-29T00:14:00

Solution 3

You should either pass the ListViewItem by call the method in the following manner:

nr_telefon(this.LWContacte.Items[0]);

Else you should modify the delegate to have accept a parameter of type ListViewSubItem:

public delegate void delEditareContact(ListViewSubItem text);

Posted 29-Apr-11 0:14am

Ryan Zahra

Comments

RaviRanjanKr 29-Apr-11 14:37pm

Nice Answer! My 5 :)

Mitran Stefanita Alexandru · Answer 3 · 2011-04-29T00:13:00

Solution 1

I find out why .. I must create another delegate for the subitems like this:

public delegate void delEditareContactSubItem(ListViewItem.ListViewSubItem text);

Posted 29-Apr-11 0:13am

Mitran Stefanita Alexandru

Sergey Alexandrovich Kryukov · Answer 4 · 2011-04-29T05:42:00

Solution 4

I would alternatively advise a more robust an non-intrusive method of inter-form collaboration based on the interface implemented by a form.

Please see this discussion (including my answer):
How to copy all the items between listboxes in two forms[^].

—SA

Posted 29-Apr-11 5:42am

Sergey Alexandrovich Kryukov

v2