I'm creating an MDI application with multiple maximized
MDI child forms. When a child form is open, the
title/caption is merge with the MDI's title/caption. So,
if the MDI title is "Parent" and the 3rd MDI child
is "Child 3", then when the 3rd MDI child is opened, the
title becomes "Parent [Child 3]".
However, when child 3 is closed, the MDI title doesn't go
back to what it was before. It still says "Parent [Child
3]".
Is there anyway to force a refresh/repaint on the MDI
parent after a child has been closed?
Thanks.
Nick 6 2212
"Nick" <an*******@disc ussions.microso ft.com> wrote in message
news:28******** *************** *****@phx.gbl.. . I'm creating an MDI application with multiple maximized MDI child forms. When a child form is open, the title/caption is merge with the MDI's title/caption. So, if the MDI title is "Parent" and the 3rd MDI child is "Child 3", then when the 3rd MDI child is opened, the title becomes "Parent [Child 3]".
However, when child 3 is closed, the MDI title doesn't go back to what it was before. It still says "Parent [Child 3]".
Is there anyway to force a refresh/repaint on the MDI parent after a child has been closed?
Hi Nick,
I implemented this by handling the MdiChildActivat e event of the parent
form and checking the ActiveMdiChild property. There may be a better
way, but at least it works.
- Magnus
Thanks for the response. Would you post some sample code,
please? I need the title to show "Parent - [Child 1]"
when child 1 is openned, and "Parent - [Child 2]" when
child 2 is openned. Then, when child 2 is closed, it
needs to go back to "Parent - [Child 1]". Currently, it
doesn't. It remains "Parent - [Child 2]".
Much Appreciated!
Nick Hi Nick,
I implemented this by handling the MdiChildActivat e event
of the parentform and checking the ActiveMdiChild property. There may
be a betterway, but at least it works.
- Magnus
.
Nick,
Basically, it looks like you want to set the title bar of the parent
whenever the child window gets focus. To do this, you will want to hook
into the Activate event for the child form. In the event handler, you just
get the MdiParent property for the form and set the Text property to what
you want.
Oh, and when creating the new child forms, make sure to set a property
indicating which child it is (you should have a factory that creates each
form, or have the constructor get the current number of MDI children).
Hope this helps.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m
"Nick" <an*******@disc ussions.microso ft.com> wrote in message
news:19******** *************** *****@phx.gbl.. . Thanks for the response. Would you post some sample code, please? I need the title to show "Parent - [Child 1]" when child 1 is openned, and "Parent - [Child 2]" when child 2 is openned. Then, when child 2 is closed, it needs to go back to "Parent - [Child 1]". Currently, it doesn't. It remains "Parent - [Child 2]".
Much Appreciated! Nick
Hi Nick,
I implemented this by handling the MdiChildActivat e event of the parentform and checking the ActiveMdiChild property. There may be a betterway, but at least it works.
- Magnus
.
It seems strange that I should need to set the MDI form's
Text property because it looks like it's automatically
handling this (just handling it incorrectly). Is this a
bug with the .Net Framework?
I also noticed that after closing child 2, if I minimize
the program and maximize it again, the title corrects
itself and correctly displays "Parent - [Child 1]". I was
hoping I could just call the form.refresh method after
closing child 2. But that didn't work either.
Nick -----Original Message----- Nick,
Basically, it looks like you want to set the title
bar of the parentwhenever the child window gets focus. To do this, you
will want to hookinto the Activate event for the child form. In the event
handler, you justget the MdiParent property for the form and set the Text
property to whatyou want.
Oh, and when creating the new child forms, make sure
to set a propertyindicating which child it is (you should have a factory
that creates eachform, or have the constructor get the current number of
MDI children). Hope this helps.
-- - Nicholas Paldino [.NET/C# MVP] - mv*@spam.guard. caspershouse.co m
"Nick" <an*******@disc ussions.microso ft.com> wrote in
messagenews:19******* *************** ******@phx.gbl. .. Thanks for the response. Would you post some sample
code, please? I need the title to show "Parent - [Child 1]" when child 1 is openned, and "Parent - [Child 2]" when child 2 is openned. Then, when child 2 is closed, it needs to go back to "Parent - [Child 1]". Currently, it doesn't. It remains "Parent - [Child 2]".
Much Appreciated! Nick
Hi Nick,
I implemented this by handling the MdiChildActivat e
event of the parentform and checking the ActiveMdiChild property. There may be a betterway, but at least it works.
- Magnus
.
.
<an*******@disc ussions.microso ft.com> wrote in message
news:01******** *************** *****@phx.gbl.. . It seems strange that I should need to set the MDI form's Text property because it looks like it's automatically handling this (just handling it incorrectly). Is this a bug with the .Net Framework?
I agree that it's strange, and I distinctly remember having this problem
myself a while back.
However, it seems that I am unable to reproduce it now. The following
code is a short but complete example that works correctly for me when
compiled with VS.NET 2003 and VS 2005 beta1. What version are you
using? I wonder if it might be a bug that exists in .NET Framework 1.0
(VS.NET 2002) but has been fixed in the later versions. I don't have
access to 1.0 right now so I can't test it.
using System;
using System.Windows. Forms;
public class MdiForm : Form
{
public MdiForm()
{
Text = "MdiExample ";
IsMdiContainer = true;
Menu = new MainMenu();
MenuItem menuTest = new MenuItem();
Menu.MenuItems. Add(menuTest);
MenuItem menuItemNewMdiC hild = new MenuItem();
menuTest.MenuIt ems.Add(menuIte mNewMdiChild);
menuTest.Text = "Test";
menuItemNewMdiC hild.Text = "New MDI Child";
menuItemNewMdiC hild.Click +=new
EventHandler(me nuItemNewMdiChi ld_Click);
}
private int formCount = 0;
private void menuItemNewMdiC hild_Click(obje ct sender, EventArgs e)
{
Form form = new Form();
form.Text = "Form " + (++formCount).T oString();
form.MdiParent = this;
form.WindowStat e = FormWindowState .Maximized;
form.Show();
}
[STAThread]
static void Main()
{
Application.Run (new MdiForm());
}
}
- Magnus
Thanks.
I think I'm using the lastest version of .Net. The
Framework is 1.1 with SP1 and the VS is 2003 (version
7.1.3088).
Thanks.
Nick -----Original Message----- <an*******@dis cussions.micros oft.com> wrote in message news:01******* *************** ******@phx.gbl. .. It seems strange that I should need to set the MDI
form's Text property because it looks like it's automatically handling this (just handling it incorrectly). Is this a bug with the .Net Framework?
I agree that it's strange, and I distinctly remember
having this problemmyself a while back.
However, it seems that I am unable to reproduce it now.
The followingcode is a short but complete example that works correctly
for me whencompiled with VS.NET 2003 and VS 2005 beta1. What version
are youusing? I wonder if it might be a bug that exists in .NET
Framework 1.0(VS.NET 2002) but has been fixed in the later versions.
I don't haveaccess to 1.0 right now so I can't test it.
using System; using System.Windows. Forms;
public class MdiForm : Form { public MdiForm() { Text = "MdiExample "; IsMdiContainer = true; Menu = new MainMenu(); MenuItem menuTest = new MenuItem(); Menu.MenuItems. Add(menuTest); MenuItem menuItemNewMdiC hild = new MenuItem(); menuTest.MenuIt ems.Add(menuIte mNewMdiChild); menuTest.Text = "Test"; menuItemNewMdiC hild.Text = "New MDI Child"; menuItemNewMdiC hild.Click +=new EventHandler(m enuItemNewMdiCh ild_Click); }
private int formCount = 0; private void menuItemNewMdiC hild_Click(obje ct sender,
EventArgs e) { Form form = new Form(); form.Text = "Form " + (++formCount).T oString(); form.MdiParent = this; form.WindowStat e = FormWindowState .Maximized; form.Show(); }
[STAThread] static void Main() { Application.Run (new MdiForm()); } }
- Magnus
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