C# -- MdiParent StatusStrip

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Hi All..

How can I change my MDIParent "StatusStrip" when I am in a MdiChild FORM ? I have to change toolStripStatusLabel.text from MdiChild form.
I did some ways.. But not working that...
I used

C#

MDI frm =new MDI(txtStatusBarMessage.Text);

child form and public constructor in MDI form

C#

public MDI(string StatusbarText)
       {
           ToolStripStatusLabel ToolStripStatusLabel = new ToolStripStatusLabel();
           StatusStrip statusStrip = new StatusStrip();
           this.toolStripStatusLabel.Text = objMasterData.GetStatusBarMessage();
           statusStrip.Items.Add(ToolStripStatusLabel);
           this.Refresh();
       }

in another way

C#

public MDI(string StatusbarText)
       {
      this.toolStripStatusLabel.Text = objMasterData.GetStatusBarMessage();--> this make an exception "Object reference not set to an instance of an object.".
      }

And also i did adding public property for toolStripStatusLabel.Text.but not working that..
please help me...

Thanks in advance...

Vineetha.K.R

Posted 5-Jan-13 0:59am

Vineetha Ravindranath

Updated 5-Jan-13 1:02am

Aarti Meswania

v2

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Aarti Meswania · Answer 1 · 2013-01-05T01:10:00

Solution 1

it's quite simple just set status trip from MDI-Child form

C#

Name of MDI form.toolStripStatusLabel = txtStatusBarMessage.Text;

or

C#

((Name of MDI form)(this.MdiParent)).toolStripStatusLabel.Text =  txtStatusBarMessage.Text;

you need not to use constructor or any public method inside MDI form

Happy Coding!
:)

Posted 5-Jan-13 1:10am

Aarti Meswania

Updated 5-Jan-13 1:35am

v3

Comments

Vineetha Ravindranath 5-Jan-13 7:28am

Thank You for Your response.
I used ((MDI)(this.MdiParent)).toolStripStatusLabel.Text = txtStatusBarMessage.Text;
Still make an exception Arti..

Aarti Meswania 5-Jan-13 7:29am

what is the name of your MDI form?

Vineetha Ravindranath 6-Jan-13 23:14pm

It's MDI.

Aarti Meswania 6-Jan-13 23:41pm

open your mdi form's designer.cs page
now, at bottom of page, you will see declarations of controls
private System.Windows.Forms.ToolStripMenuItem toolStripStatusLabel;
set it public instead of private
public System.Windows.Forms.ToolStripMenuItem toolStripStatusLabel;

now, build project (Note : it should be successful build)
now, you can access that control of mdi in child form

Vineetha Ravindranath 7-Jan-13 1:02am

I Changed Modifier of toolStripStatusLabel as public. so it changed
as public System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel;Then I used the code MDI frm =new MDI ();
frm.toolStripStatusLabel.Text = txtStatusBarMessage.Text;
frm.Refresh(); now have no exception.But no chandes in statusbar.
from loading status bar shows Ready for operation.then i have to change the text from it's child form.but this code not changing the text.
I used the code ((MDI)(this.MdiParent)).toolStripStatusLabel.Text; here MdiParent become null. so exception occured.

Aarti Meswania 7-Jan-13 1:04am

do not create new object of mdi form from the child form
just put line in child form
MDI.toolStripStatusLabel = txtStatusBarMessage.Text;