How to bring front child form from multipled opened from?

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Hi, I am uday satardekar,

In my MDI application in csharp winform there is 5 child form.

And I want only one form of each child form after click.

Which work properly for me. I have achieved this using static counter .

When user click next after opening each child form, I want clicked instance in front.

My code is like this:

C#

private void retriveDataToolStripMenuItem_Click_1(object sender, EventArgs e)
        {
            int instances = RetriveDataForm.instanceCount;
            if (instances < 1)
            {
                RetriveDataForm retrieveDataForm = new RetriveDataForm();
                retrieveDataForm.MdiParent = this;
                retrieveDataForm.Show();
            }

        }

        private void manualEntryToolStripMenuItem1_Click(object sender, EventArgs e)
        {
             int instances = ManualEntryForm.instanceCount;
             if (instances < 1)
             {
                 ManualEntryForm manualEntry = new ManualEntryForm();
                 manualEntry.MdiParent = this;
                 manualEntry.Show();
             }
        }

Suppose retrieveDataForm and manualEntry are already opened and when user click next time on manualEntry form, I want it front of all opened form.

I have use manualEntry.BringToFront(); in else block which is not working.
Please give me solution.

Posted 14-Aug-11 23:33pm

udusat13

Updated 14-Aug-11 23:38pm

LittleYellowBird

v2

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5 solutions

Solution 2

Regarding this,

SQL

use manualEntry.Activate();

http://msdn.microsoft.com/en-us/library/system.windows.forms.form.activate.aspx[^]

i have use like this

C#

int instances = StatusForm.instanceCount;
          int instances = ManualEntryForm.instanceCount;
             if (instances < 1)
             {
                 ManualEntryForm manualEntry = new ManualEntryForm();
                 manualEntry.MdiParent = this;
                 manualEntry.Show();
             }
           else
           {

               manualEntry .Activate();
             
           }

but it is not working properly
please give me solution

thanks

Posted 14-Aug-11 23:48pm

udusat13

Solution 3

You don't need to count anything. Just enumerate the existing opened forms, and if you find manualEntry, call it's Activate method. Otherwise, create it.

C#

foreach (Form child in mainForm.Children)
{
    if (child is manuEntry)
    {
        child.Activate();
        break;
    }
}
if (!(this.ActiveMdiChild is manualEntry))
{
    manualEntry form = new manuEntry();
    form.Show();
    form.Focus();
}

Posted 14-Aug-11 23:51pm

#realJSOP

Updated 14-Aug-11 23:56pm

v2

Comments

udusat13 15-Aug-11 6:13am

But please tell me what mainForm.Children

in foreach (Form child in mainForm.Children)
thanks.

Solution 5

I think John meant mainForm.MdiChildren

Posted 15-Aug-11 0:14am

Simon Bang Terkildsen

Comments

udusat13 15-Aug-11 6:31am

please help me sir i am getting confused

#realJSOP 15-Aug-11 7:49am

Yes, I did. That's what I get for being in a hurry (to leave for work). :)

Solution 1

use manualEntry.Activate();

http://msdn.microsoft.com/en-us/library/system.windows.forms.form.activate.aspx[^]

Posted 14-Aug-11 23:40pm

Simon Bang Terkildsen

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Simon Bang Terkildsen · Accepted Answer · 2011-08-15T00:39:00

Solution 6

Ok, the below code should work for you, assuming ManualEntryForm is the name of one of your Forms and the code is placed in the MDI parent. I don't know how else I can be of help.

C#

foreach (Form child in MdiChildren)
{
    if (child is ManualEntryForm)
    {
        child.Activate();
        break;
    }
}
if (!(this.ActiveMdiChild is ManualEntryForm ))
{
    ManualEntryForm form = new ManualEntryForm { MdiParent = this };
    form.Show();
    form.Focus();
}

Posted 15-Aug-11 0:39am

Simon Bang Terkildsen

Comments

udusat13 15-Aug-11 7:05am

Thank u sir,
Its really working for me.
Thanksssssssssssssssssssssssssssssssssssssssssss!

Simon Bang Terkildsen 15-Aug-11 7:15am

close the question please, accept an answer :)

Simon Bang Terkildsen 15-Aug-11 7:09am

You're welcome