Windows Forms General
Hi,
I have two forms and I'm loading one of the forms as a default. What I want to do is, in some event of the first form(parent), I want to open the second form(child) and close the parent form. I thought I could use the following code,
Form1 parent = new Form1();
parent.Show();
this.Close();
Closing the parent will close the child also. Any idea on how I go about this.
Thanx for any help.
Hi Karthik,
Closing the parent will close the child also. ---
Yes, closing the parent will definitely close the child.I tried it.It happened.
But ,it seems the code u wrote in the post is in reverse.First u instanatiate Parent,on one of it's events,u open the child form and in one of the events of child ,u close the parent .Is this the flow
I followed this flow, and observed that closing the parent form is closing the child also.
For further issues on this,feel free to post again.
Thanx,
Ch.T.Gopi Kumar.
I have found a solution to this.
I have a context class(static class) which acts as a global variable repository. In this class, I have a Form object in which I store the parent form's current instance. For ex,
Global repository,
static
class context{
public static Form formObj;}
In the particular event of the parent form in which u want to show the child, do the following.
context
.formObj = this; this.Hide(); Form1 form1 = new Form1(); // form1 is my child form.form1.Show();
Now I can access this global form object from the child form and subsequently close it also. for example,
private void Form1_FormClosing(object sender, FormClosingEventArgs e){
context.formObj.Close();}
And now my troubles are over...
Hi Karthik,
Good solution!,
But i wanna let u know one more.., u tell me ,which is better,after understanding my code.
Have a private variable of parent form variable in child form.Modify child form's constructor or have set property for this variable.Set it either by child class constructor or property,when u instantiate the child class object.Now u can use this parent form variable , how ever u want.
It is illustrated as follows
=========================================================
[Code language = C#]
class ParentForm:Form
{
...
};
class ChildForm:Form
{
private ParentForm frmParent;
public ChildForm(ParentForm refParentForm)
{
frmParent = refParentForm;
}
.....
}
Now u can modify the ur code as follows
Form1 form1 = new Form1(this); // form1 is my child form.
form1.Show();
private void Form1_FormClosing(object sender, FormClosingEventArgs e){
frmParent.Close();}
[/Code]
============================================================
Thanx,
Ch.T.Gopi Kumar.
Hi,
I am new to programming and hence I don't know which method is better or worse. I used the global repository method because I have many forms in my project which need access to a number of common variables and controls.
Anyways..Thanx for providing me with more options, Always appreciate it.