how to create custom from propery

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C#3.0

C#

I want to create a custom form property in c# .net

Please help me

Posted 24-Aug-10 20:30pm

amitthakkar1987

Updated 24-Aug-10 21:37pm

Dalek Dave

v2

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PSK_ 25-Aug-10 2:32am

What is the issue? Custom form property is not different from the properties you normally defines.

senguptaamlan 25-Aug-10 2:40am

didn't got the question...please explain a bit more

Dalek Dave 25-Aug-10 3:37am

Minor Edit for Grammar.

2 solutions

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DaveyM69 · Answer 1 · 2010-08-24T21:36:00

Do you mean add a property to the Form class itself? If so, you can't but there are two easy solutions.

1. Create a new class derived from Form and use that in place when you need it.

C#

public class MyFormBase : Form
{
    // ...
    private int id;

    /// <summary>
    /// Gets or sets the identifier.
    /// </summary>
    public int ID
    {
        get{ return id; }
        set{ id = value; }
    }
}

So when adding a new form, change the declaration

C#

public partial class Form1 : MyFormBase
{
    // ...
    // Form1 instances automatically have ID property
}

2. Use Extension Methods[^]

Christian Graus · Answer 2 · 2010-08-24T21:10:00

Solution 1

Just add it. If you have a specific issue with doing so, post your code and explain it.

Posted 24-Aug-10 21:10pm

Christian Graus

Comments

amitthakkar1987 25-Aug-10 4:30am

i have two forms
form1 and form2
on form1 i have one button and form2 contains textbox

on buttton click i write the following code for create a any no of forms

form2 f2 = new form2();
f2.show();

now my question is that how i access the perticular textbox of a perticular form

amitthakkar1987 25-Aug-10 5:27am

now i press the 3 time button click so genarate 3 forms and after i assign the unique name to forms name..
suppose frm1,frm2,frm3 so i want to access form1 textbox

DaveyM69 25-Aug-10 11:43am

These comments do not relate to your original question. Have a look at this forum post which explains how: http://www.codeproject.com/Forums/1649/Csharp.aspx?fid=1649&select=3573386&fr=276#xx0xx
Basically, child forms raise events which are listened to by parent forms and parent forms set properties/call methods on child forms.