Enable menuitem in parent form from mdichild

[Claus Holm]

I'm trying to enable a menuitem in the parent form from a mdichild. Rather
than making the menuitems public, I'd go for a public method in the parent
form to do the change, but when I call the method from the mdichild, I get
this error:

C:\MyProjects\V isual Studio Projects\Tourna ment\Forms\frmL ogin.cs(69): The
name 'test' does not exist in the class or namespace 'Tournament.frm Login'

frmLogin is the mdichild.

What am I missing here?

Thanks,
Claus Holm

[Stoitcho Goutsev \(100\) [C# MVP]]

Hi Claus,
With the info you gave us it is really hard to tell.
What is 'test'?
Are the MDI container and MDI child in the same assembly? If not did you add
a reference to the container's assembly in the child project?
Did you use using statements? And so on. It is best if you perepate some
simple sample code that demonstrates the problem.

--

Stoitcho Goutsev (100) [C# MVP]
"Claus Holm" <Claus Ho**@discussion s.microsoft.com> wrote in message
news:CE******** *************** ***********@mic rosoft.com...

I'm trying to enable a menuitem in the parent form from a mdichild. Rather
than making the menuitems public, I'd go for a public method in the parent
form to do the change, but when I call the method from the mdichild, I get
this error:

C:\MyProjects\V isual Studio Projects\Tourna ment\Forms\frmL ogin.cs(69): The
name 'test' does not exist in the class or namespace 'Tournament.frm Login'

frmLogin is the mdichild.

What am I missing here?

Thanks,
Claus Holm

[Claus Holm]

Sorry about that, test was the function/sub (I'm coming from VB6), but here's
some more info:

Both forms are within the same namespace. In the parent form I've got

public void EnableMenuOnLog in()
{
mnuSystemSelect System.Enabled = true;
}

and in the mdichild, I've got

private void btnLogin_Click( object sender, System.EventArg s e)
{
EnableMenuOnLog in();
}

Thanks once again,
Claus

"Stoitcho Goutsev (100) [C# MVP]" wrote:

Hi Claus,
With the info you gave us it is really hard to tell.
What is 'test'?
Are the MDI container and MDI child in the same assembly? If not did you add
a reference to the container's assembly in the child project?
Did you use using statements? And so on. It is best if you perepate some
simple sample code that demonstrates the problem.

--

Stoitcho Goutsev (100) [C# MVP]
"Claus Holm" <Claus Ho**@discussion s.microsoft.com> wrote in message
news:CE******** *************** ***********@mic rosoft.com...

I'm trying to enable a menuitem in the parent form from a mdichild. Rather
than making the menuitems public, I'd go for a public method in the parent
form to do the change, but when I call the method from the mdichild, I get
this error:

C:\MyProjects\V isual Studio Projects\Tourna ment\Forms\frmL ogin.cs(69): The
name 'test' does not exist in the class or namespace 'Tournament.frm Login'

frmLogin is the mdichild.

What am I missing here?

Thanks,
Claus Holm

[Claus Holm]

Some more code from the 2 forms:

frmStrikeTourna ment:

using System;
using System.Drawing;
using System.Collecti ons;
using System.Componen tModel;
using System.Windows. Forms;

namespace StrikeTournamen t
{
public class frmStrikeTourna ment : System.Windows. Forms.Form
{
private System.Windows. Forms.MainMenu mnuMain;
private System.Windows. Forms.MenuItem mnuSystem;
private System.Windows. Forms.MenuItem mnuSystemExit;
private System.Windows. Forms.MenuItem mnuSystemSelect System;
private System.Windows. Forms.MenuItem mnuSystemSepera tor1;
private System.Windows. Forms.MenuItem mnuSystemAdminL ogin;
private System.Windows. Forms.MenuItem mnuSystemSetup;
private System.Windows. Forms.MenuItem mnuSystemSepera tor2;
private System.Windows. Forms.MenuItem mnuHelp;
private System.Windows. Forms.MenuItem mnuHelpHelp;
private System.Windows. Forms.MenuItem mnuHelpAbout;
private System.Windows. Forms.MenuItem mnuSystemSetupT ournament;
private System.Windows. Forms.MenuItem mnuSystemSetupC ategory;
private System.Windows. Forms.MenuItem mnuSystemSetupR ow;

private System.Componen tModel.Containe r components = null;

public frmStrikeTourna ment()
{
InitializeCompo nent();
}

protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Disp ose();
}
}
base.Dispose( disposing );
}

#region Windows Form Designer generated code
private void InitializeCompo nent()
{
System.Resource s.ResourceManag er resources = new
System.Resource s.ResourceManag er(typeof(frmSt rikeTournament) );
this.mnuMain = new System.Windows. Forms.MainMenu( );
this.mnuSystem = new System.Windows. Forms.MenuItem( );
this.mnuSystemS electSystem = new System.Windows. Forms.MenuItem( );
this.mnuSystemS eperator1 = new System.Windows. Forms.MenuItem( );
this.mnuSystemA dminLogin = new System.Windows. Forms.MenuItem( );
this.mnuSystemS etup = new System.Windows. Forms.MenuItem( );
this.mnuSystemS etupTournament = new System.Windows. Forms.MenuItem( );
this.mnuSystemS etupCategory = new System.Windows. Forms.MenuItem( );
this.mnuSystemS etupRow = new System.Windows. Forms.MenuItem( );
this.mnuSystemS eperator2 = new System.Windows. Forms.MenuItem( );
this.mnuSystemE xit = new System.Windows. Forms.MenuItem( );
this.mnuHelp = new System.Windows. Forms.MenuItem( );
this.mnuHelpHel p = new System.Windows. Forms.MenuItem( );
this.mnuHelpAbo ut = new System.Windows. Forms.MenuItem( );
//
// mnuMain
//
this.mnuMain.Me nuItems.AddRang e(new System.Windows. Forms.MenuItem[] {
this.mnuSystem,
this.mnuHelp});
//
// mnuSystem
//
this.mnuSystem. Index = 0;
this.mnuSystem. MenuItems.AddRa nge(new System.Windows. Forms.MenuItem[] {
this.mnuSystemS electSystem,
this.mnuSystemS eperator1,
this.mnuSystemA dminLogin,
this.mnuSystemS etup,
this.mnuSystemS eperator2,
this.mnuSystemE xit});
this.mnuSystem. Text = "&System";
//
// mnuSystemSelect System
//
this.mnuSystemS electSystem.Ena bled = false;
this.mnuSystemS electSystem.Ind ex = 0;
this.mnuSystemS electSystem.Tex t = "&Vælg system";
this.mnuSystemS electSystem.Cli ck += new
System.EventHan dler(this.mnuSy stemSelectSyste m_Click);
//
// mnuSystemSepera tor1
//
this.mnuSystemS eperator1.Index = 1;
this.mnuSystemS eperator1.Text = "-";
//
// mnuSystemAdminL ogin
//
this.mnuSystemA dminLogin.Index = 2;
this.mnuSystemA dminLogin.Short cut = System.Windows. Forms.Shortcut. CtrlA;
this.mnuSystemA dminLogin.Text = "Administra tor &login";
this.mnuSystemA dminLogin.Click += new
System.EventHan dler(this.mnuSy stemAdminLogin_ Click);
//
// mnuSystemSetup
//
this.mnuSystemS etup.Enabled = false;
this.mnuSystemS etup.Index = 3;
this.mnuSystemS etup.MenuItems. AddRange(new
System.Windows. Forms.MenuItem[] {
this.mnuSystemS etupTournament,
this.mnuSystemS etupCategory,
this.mnuSystemS etupRow});
this.mnuSystemS etup.Text = "&Opsætnin g af stævne";
//
// mnuSystemSetupT ournament
//
this.mnuSystemS etupTournament. Index = 0;
this.mnuSystemS etupTournament. Text = "&Stævne";
//
// mnuSystemSetupC ategory
//
this.mnuSystemS etupCategory.In dex = 1;
this.mnuSystemS etupCategory.Te xt = "&Kategori" ;
//
// mnuSystemSetupR ow
//
this.mnuSystemS etupRow.Index = 2;
this.mnuSystemS etupRow.Text = "&Række";
//
// mnuSystemSepera tor2
//
this.mnuSystemS eperator2.Index = 4;
this.mnuSystemS eperator2.Text = "-";
//
// mnuSystemExit
//
this.mnuSystemE xit.Index = 5;
this.mnuSystemE xit.Shortcut = System.Windows. Forms.Shortcut. CtrlX;
this.mnuSystemE xit.Text = "&Afslut";
this.mnuSystemE xit.Click += new
System.EventHan dler(this.mnuSy stemExit_Click) ;
//
// mnuHelp
//
this.mnuHelp.In dex = 1;
this.mnuHelp.Me nuItems.AddRang e(new System.Windows. Forms.MenuItem[] {
this.mnuHelpHel p,
this.mnuHelpAbo ut});
this.mnuHelp.Te xt = "&Hjælp";
//
// mnuHelpHelp
//
this.mnuHelpHel p.Index = 0;
this.mnuHelpHel p.Shortcut = System.Windows. Forms.Shortcut. F1;
this.mnuHelpHel p.Text = "Strike Tournament .NET hjælp";
//
// mnuHelpAbout
//
this.mnuHelpAbo ut.Index = 1;
this.mnuHelpAbo ut.Text = "&Om Strike Tournament .NET";
//
// frmStrikeTourna ment
//
this.AutoScaleB aseSize = new System.Drawing. Size(5, 13);
this.ClientSize = new System.Drawing. Size(736, 449);
this.Icon = ((System.Drawin g.Icon)(resourc es.GetObject("$ this.Icon")));
this.IsMdiConta iner = true;
this.Menu = this.mnuMain;
this.Name = "frmStrikeTourn ament";
this.Text = "Strike Tournament .NET";
this.WindowStat e = System.Windows. Forms.FormWindo wState.Maximize d;
this.Load += new System.EventHan dler(this.frmSt rikeTournament_ Load);

}
#endregion

/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run (new frmStrikeTourna ment());
}

private void mnuSystemExit_C lick(object sender, System.EventArg s e)
{
this.Dispose();
}

private void frmStrikeTourna ment_Load(objec t sender, System.EventArg s e)
{
// Calling from here works
fine...
EnableMenuOnLog in();
}

private void mnuSystemAdminL ogin_Click(obje ct sender, System.EventArg s e)
{
frmLogin newMDIChild = new frmLogin();
newMDIChild.Mdi Parent = this;
newMDIChild.Sho w();
}

private void mnuSystemSelect System_Click(ob ject sender, System.EventArg s e)
{

}

public void EnableMenuOnLog in()
{
// public, but doesn't seem
to be visible for the other form
this.mnuSystemS electSystem.Ena bled = true;
}
}
}
frmLogin:

using System;
using System.Drawing;
using System.Collecti ons;
using System.Componen tModel;
using System.Windows. Forms;

namespace StrikeTournamen t
{
public class frmLogin : System.Windows. Forms.Form
{
private System.Windows. Forms.GroupBox gbxLogin;
private System.Windows. Forms.Label lblUserId;
private System.Windows. Forms.Label lblPassword;
private System.Windows. Forms.Button btnLogin;
private System.Windows. Forms.TextBox txtUserId;
private System.Windows. Forms.TextBox txtPassword;
private System.Componen tModel.Containe r components = null;

public frmLogin()
{
InitializeCompo nent();
}

protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Disp ose();
}
}
base.Dispose( disposing );
}

#region Windows Form Designer generated code
private void InitializeCompo nent()
{
System.Resource s.ResourceManag er resources = new
System.Resource s.ResourceManag er(typeof(frmLo gin));
this.gbxLogin = new System.Windows. Forms.GroupBox( );
this.txtPasswor d = new System.Windows. Forms.TextBox() ;
this.txtUserId = new System.Windows. Forms.TextBox() ;
this.btnLogin = new System.Windows. Forms.Button();
this.lblPasswor d = new System.Windows. Forms.Label();
this.lblUserId = new System.Windows. Forms.Label();
this.gbxLogin.S uspendLayout();
this.SuspendLay out();
//
// gbxLogin
//
this.gbxLogin.C ontrols.Add(thi s.txtPassword);
this.gbxLogin.C ontrols.Add(thi s.txtUserId);
this.gbxLogin.C ontrols.Add(thi s.btnLogin);
this.gbxLogin.C ontrols.Add(thi s.lblPassword);
this.gbxLogin.C ontrols.Add(thi s.lblUserId);
this.gbxLogin.L ocation = new System.Drawing. Point(8, 8);
this.gbxLogin.N ame = "gbxLogin";
this.gbxLogin.S ize = new System.Drawing. Size(288, 96);
this.gbxLogin.T abIndex = 0;
this.gbxLogin.T abStop = false;
this.gbxLogin.T ext = "Administra tor login";
//
// txtPassword
//
this.txtPasswor d.Location = new System.Drawing. Point(144, 40);
this.txtPasswor d.Name = "txtPasswor d";
this.txtPasswor d.Size = new System.Drawing. Size(136, 20);
this.txtPasswor d.TabIndex = 4;
this.txtPasswor d.Text = "";
//
// txtUserId
//
this.txtUserId. Location = new System.Drawing. Point(144, 16);
this.txtUserId. Name = "txtUserId" ;
this.txtUserId. Size = new System.Drawing. Size(136, 20);
this.txtUserId. TabIndex = 3;
this.txtUserId. Text = "";
//
// btnLogin
//
this.btnLogin.L ocation = new System.Drawing. Point(208, 64);
this.btnLogin.N ame = "btnLogin";
this.btnLogin.S ize = new System.Drawing. Size(72, 24);
this.btnLogin.T abIndex = 2;
this.btnLogin.T ext = "&Login";
this.btnLogin.C lick += new System.EventHan dler(this.btnLo gin_Click);
//
// lblPassword
//
this.lblPasswor d.Location = new System.Drawing. Point(8, 44);
this.lblPasswor d.Name = "lblPasswor d";
this.lblPasswor d.Size = new System.Drawing. Size(136, 16);
this.lblPasswor d.TabIndex = 1;
this.lblPasswor d.Text = "Password:" ;
//
// lblUserId
//
this.lblUserId. Location = new System.Drawing. Point(8, 20);
this.lblUserId. Name = "lblUserId" ;
this.lblUserId. Size = new System.Drawing. Size(136, 16);
this.lblUserId. TabIndex = 0;
this.lblUserId. Text = "&Bruger Id:";
//
// frmLogin
//
this.AutoScaleB aseSize = new System.Drawing. Size(5, 13);
this.ClientSize = new System.Drawing. Size(304, 310);
this.Controls.A dd(this.gbxLogi n);
this.Icon = ((System.Drawin g.Icon)(resourc es.GetObject("$ this.Icon")));
this.MaximizeBo x = false;
this.MinimizeBo x = false;
this.Name = "frmLogin";
this.ShowInTask bar = false;
this.StartPosit ion = System.Windows. Forms.FormStart Position.Center Parent;
this.Text = "Administra tor login";
this.Load += new System.EventHan dler(this.frmLo gin_Load);
this.gbxLogin.R esumeLayout(fal se);
this.ResumeLayo ut(false);

}
#endregion

private void frmLogin_Load(o bject sender, System.EventArg s e)
{

}

private void btnLogin_Click( object sender, System.EventArg s e)
{
// Call from here errors,
seems to be looking locally for the method, not the public one in the other
form
EnableMenuOnLog in();
}
}
}
"Stoitcho Goutsev (100) [C# MVP]" wrote:

Hi Claus,
With the info you gave us it is really hard to tell.
What is 'test'?
Are the MDI container and MDI child in the same assembly? If not did you add
a reference to the container's assembly in the child project?
Did you use using statements? And so on. It is best if you perepate some
simple sample code that demonstrates the problem.

--

Stoitcho Goutsev (100) [C# MVP]
"Claus Holm" <Claus Ho**@discussion s.microsoft.com> wrote in message
news:CE******** *************** ***********@mic rosoft.com...

I'm trying to enable a menuitem in the parent form from a mdichild. Rather
than making the menuitems public, I'd go for a public method in the parent
form to do the change, but when I call the method from the mdichild, I get
this error:

C:\MyProjects\V isual Studio Projects\Tourna ment\Forms\frmL ogin.cs(69): The
name 'test' does not exist in the class or namespace 'Tournament.frm Login'

frmLogin is the mdichild.

What am I missing here?

Thanks,
Claus Holm

[Stoitcho Goutsev \(100\) [C# MVP]]

Hi Claus,

I guess your concerns are about the compiler error that you in that method

private void btnLogin_Click( object sender, System.EventArg s e)
{
// Call from here errors,
seems to be looking locally for the method, not the public one in the other
form
EnableMenuOnLog in();
}

The compiler is right. There is no EnableMenuOnLog in method declared in the
frmLogin class

This method is declared in the MDI container class (frmStrikeTourn ament
class). To call this method you need a reference to the MDI container object

((frmStrikeTour nament)this.Mdi Parent).EnableM enuOnLogin();

--
HTH
Stoitcho Goutsev (100) [C# MVP]
"Claus Holm" <Cl*******@disc ussions.microso ft.com> wrote in message
news:AF******** *************** ***********@mic rosoft.com...

Some more code from the 2 forms:

frmStrikeTourna ment:

using System;
using System.Drawing;
using System.Collecti ons;
using System.Componen tModel;
using System.Windows. Forms;

namespace StrikeTournamen t
{
public class frmStrikeTourna ment : System.Windows. Forms.Form
{
private System.Windows. Forms.MainMenu mnuMain;
private System.Windows. Forms.MenuItem mnuSystem;
private System.Windows. Forms.MenuItem mnuSystemExit;
private System.Windows. Forms.MenuItem mnuSystemSelect System;
private System.Windows. Forms.MenuItem mnuSystemSepera tor1;
private System.Windows. Forms.MenuItem mnuSystemAdminL ogin;
private System.Windows. Forms.MenuItem mnuSystemSetup;
private System.Windows. Forms.MenuItem mnuSystemSepera tor2;
private System.Windows. Forms.MenuItem mnuHelp;
private System.Windows. Forms.MenuItem mnuHelpHelp;
private System.Windows. Forms.MenuItem mnuHelpAbout;
private System.Windows. Forms.MenuItem mnuSystemSetupT ournament;
private System.Windows. Forms.MenuItem mnuSystemSetupC ategory;
private System.Windows. Forms.MenuItem mnuSystemSetupR ow;

private System.Componen tModel.Containe r components = null;

public frmStrikeTourna ment()
{
InitializeCompo nent();
}

protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Disp ose();
}
}
base.Dispose( disposing );
}

#region Windows Form Designer generated code
private void InitializeCompo nent()
{
System.Resource s.ResourceManag er resources = new
System.Resource s.ResourceManag er(typeof(frmSt rikeTournament) );
this.mnuMain = new System.Windows. Forms.MainMenu( );
this.mnuSystem = new System.Windows. Forms.MenuItem( );
this.mnuSystemS electSystem = new System.Windows. Forms.MenuItem( );
this.mnuSystemS eperator1 = new System.Windows. Forms.MenuItem( );
this.mnuSystemA dminLogin = new System.Windows. Forms.MenuItem( );
this.mnuSystemS etup = new System.Windows. Forms.MenuItem( );
this.mnuSystemS etupTournament = new System.Windows. Forms.MenuItem( );
this.mnuSystemS etupCategory = new System.Windows. Forms.MenuItem( );
this.mnuSystemS etupRow = new System.Windows. Forms.MenuItem( );
this.mnuSystemS eperator2 = new System.Windows. Forms.MenuItem( );
this.mnuSystemE xit = new System.Windows. Forms.MenuItem( );
this.mnuHelp = new System.Windows. Forms.MenuItem( );
this.mnuHelpHel p = new System.Windows. Forms.MenuItem( );
this.mnuHelpAbo ut = new System.Windows. Forms.MenuItem( );
//
// mnuMain
//
this.mnuMain.Me nuItems.AddRang e(new System.Windows. Forms.MenuItem[] {
this.mnuSystem,
this.mnuHelp});
//
// mnuSystem
//
this.mnuSystem. Index = 0;
this.mnuSystem. MenuItems.AddRa nge(new System.Windows. Forms.MenuItem[] {
this.mnuSystemS electSystem,
this.mnuSystemS eperator1,
this.mnuSystemA dminLogin,
this.mnuSystemS etup,
this.mnuSystemS eperator2,
this.mnuSystemE xit});
this.mnuSystem. Text = "&System";
//
// mnuSystemSelect System
//
this.mnuSystemS electSystem.Ena bled = false;
this.mnuSystemS electSystem.Ind ex = 0;
this.mnuSystemS electSystem.Tex t = "&Vælg system";
this.mnuSystemS electSystem.Cli ck += new
System.EventHan dler(this.mnuSy stemSelectSyste m_Click);
//
// mnuSystemSepera tor1
//
this.mnuSystemS eperator1.Index = 1;
this.mnuSystemS eperator1.Text = "-";
//
// mnuSystemAdminL ogin
//
this.mnuSystemA dminLogin.Index = 2;
this.mnuSystemA dminLogin.Short cut = System.Windows. Forms.Shortcut. CtrlA;
this.mnuSystemA dminLogin.Text = "Administra tor &login";
this.mnuSystemA dminLogin.Click += new
System.EventHan dler(this.mnuSy stemAdminLogin_ Click);
//
// mnuSystemSetup
//
this.mnuSystemS etup.Enabled = false;
this.mnuSystemS etup.Index = 3;
this.mnuSystemS etup.MenuItems. AddRange(new
System.Windows. Forms.MenuItem[] {
this.mnuSystemS etupTournament,
this.mnuSystemS etupCategory,
this.mnuSystemS etupRow});
this.mnuSystemS etup.Text = "&Opsætning af stævne";
//
// mnuSystemSetupT ournament
//
this.mnuSystemS etupTournament. Index = 0;
this.mnuSystemS etupTournament. Text = "&Stævne";
//
// mnuSystemSetupC ategory
//
this.mnuSystemS etupCategory.In dex = 1;
this.mnuSystemS etupCategory.Te xt = "&Kategori" ;
//
// mnuSystemSetupR ow
//
this.mnuSystemS etupRow.Index = 2;
this.mnuSystemS etupRow.Text = "&Række";
//
// mnuSystemSepera tor2
//
this.mnuSystemS eperator2.Index = 4;
this.mnuSystemS eperator2.Text = "-";
//
// mnuSystemExit
//
this.mnuSystemE xit.Index = 5;
this.mnuSystemE xit.Shortcut = System.Windows. Forms.Shortcut. CtrlX;
this.mnuSystemE xit.Text = "&Afslut";
this.mnuSystemE xit.Click += new
System.EventHan dler(this.mnuSy stemExit_Click) ;
//
// mnuHelp
//
this.mnuHelp.In dex = 1;
this.mnuHelp.Me nuItems.AddRang e(new System.Windows. Forms.MenuItem[] {
this.mnuHelpHel p,
this.mnuHelpAbo ut});
this.mnuHelp.Te xt = "&Hjælp";
//
// mnuHelpHelp
//
this.mnuHelpHel p.Index = 0;
this.mnuHelpHel p.Shortcut = System.Windows. Forms.Shortcut. F1;
this.mnuHelpHel p.Text = "Strike Tournament .NET hjælp";
//
// mnuHelpAbout
//
this.mnuHelpAbo ut.Index = 1;
this.mnuHelpAbo ut.Text = "&Om Strike Tournament .NET";
//
// frmStrikeTourna ment
//
this.AutoScaleB aseSize = new System.Drawing. Size(5, 13);
this.ClientSize = new System.Drawing. Size(736, 449);
this.Icon = ((System.Drawin g.Icon)(resourc es.GetObject("$ this.Icon")));
this.IsMdiConta iner = true;
this.Menu = this.mnuMain;
this.Name = "frmStrikeTourn ament";
this.Text = "Strike Tournament .NET";
this.WindowStat e = System.Windows. Forms.FormWindo wState.Maximize d;
this.Load += new System.EventHan dler(this.frmSt rikeTournament_ Load);

}
#endregion

/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run (new frmStrikeTourna ment());
}

private void mnuSystemExit_C lick(object sender, System.EventArg s e)
{
this.Dispose();
}

private void frmStrikeTourna ment_Load(objec t sender, System.EventArg s e)
{
// Calling from here works
fine...
EnableMenuOnLog in();
}

private void mnuSystemAdminL ogin_Click(obje ct sender, System.EventArg s e)
{
frmLogin newMDIChild = new frmLogin();
newMDIChild.Mdi Parent = this;
newMDIChild.Sho w();
}

private void mnuSystemSelect System_Click(ob ject sender, System.EventArg s
e)
{

}

public void EnableMenuOnLog in()
{
// public, but doesn't seem
to be visible for the other form
this.mnuSystemS electSystem.Ena bled = true;
}
}
}
frmLogin:

using System;
using System.Drawing;
using System.Collecti ons;
using System.Componen tModel;
using System.Windows. Forms;

namespace StrikeTournamen t
{
public class frmLogin : System.Windows. Forms.Form
{
private System.Windows. Forms.GroupBox gbxLogin;
private System.Windows. Forms.Label lblUserId;
private System.Windows. Forms.Label lblPassword;
private System.Windows. Forms.Button btnLogin;
private System.Windows. Forms.TextBox txtUserId;
private System.Windows. Forms.TextBox txtPassword;
private System.Componen tModel.Containe r components = null;

public frmLogin()
{
InitializeCompo nent();
}

protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Disp ose();
}
}
base.Dispose( disposing );
}

#region Windows Form Designer generated code
private void InitializeCompo nent()
{
System.Resource s.ResourceManag er resources = new
System.Resource s.ResourceManag er(typeof(frmLo gin));
this.gbxLogin = new System.Windows. Forms.GroupBox( );
this.txtPasswor d = new System.Windows. Forms.TextBox() ;
this.txtUserId = new System.Windows. Forms.TextBox() ;
this.btnLogin = new System.Windows. Forms.Button();
this.lblPasswor d = new System.Windows. Forms.Label();
this.lblUserId = new System.Windows. Forms.Label();
this.gbxLogin.S uspendLayout();
this.SuspendLay out();
//
// gbxLogin
//
this.gbxLogin.C ontrols.Add(thi s.txtPassword);
this.gbxLogin.C ontrols.Add(thi s.txtUserId);
this.gbxLogin.C ontrols.Add(thi s.btnLogin);
this.gbxLogin.C ontrols.Add(thi s.lblPassword);
this.gbxLogin.C ontrols.Add(thi s.lblUserId);
this.gbxLogin.L ocation = new System.Drawing. Point(8, 8);
this.gbxLogin.N ame = "gbxLogin";
this.gbxLogin.S ize = new System.Drawing. Size(288, 96);
this.gbxLogin.T abIndex = 0;
this.gbxLogin.T abStop = false;
this.gbxLogin.T ext = "Administra tor login";
//
// txtPassword
//
this.txtPasswor d.Location = new System.Drawing. Point(144, 40);
this.txtPasswor d.Name = "txtPasswor d";
this.txtPasswor d.Size = new System.Drawing. Size(136, 20);
this.txtPasswor d.TabIndex = 4;
this.txtPasswor d.Text = "";
//
// txtUserId
//
this.txtUserId. Location = new System.Drawing. Point(144, 16);
this.txtUserId. Name = "txtUserId" ;
this.txtUserId. Size = new System.Drawing. Size(136, 20);
this.txtUserId. TabIndex = 3;
this.txtUserId. Text = "";
//
// btnLogin
//
this.btnLogin.L ocation = new System.Drawing. Point(208, 64);
this.btnLogin.N ame = "btnLogin";
this.btnLogin.S ize = new System.Drawing. Size(72, 24);
this.btnLogin.T abIndex = 2;
this.btnLogin.T ext = "&Login";
this.btnLogin.C lick += new System.EventHan dler(this.btnLo gin_Click);
//
// lblPassword
//
this.lblPasswor d.Location = new System.Drawing. Point(8, 44);
this.lblPasswor d.Name = "lblPasswor d";
this.lblPasswor d.Size = new System.Drawing. Size(136, 16);
this.lblPasswor d.TabIndex = 1;
this.lblPasswor d.Text = "Password:" ;
//
// lblUserId
//
this.lblUserId. Location = new System.Drawing. Point(8, 20);
this.lblUserId. Name = "lblUserId" ;
this.lblUserId. Size = new System.Drawing. Size(136, 16);
this.lblUserId. TabIndex = 0;
this.lblUserId. Text = "&Bruger Id:";
//
// frmLogin
//
this.AutoScaleB aseSize = new System.Drawing. Size(5, 13);
this.ClientSize = new System.Drawing. Size(304, 310);
this.Controls.A dd(this.gbxLogi n);
this.Icon = ((System.Drawin g.Icon)(resourc es.GetObject("$ this.Icon")));
this.MaximizeBo x = false;
this.MinimizeBo x = false;
this.Name = "frmLogin";
this.ShowInTask bar = false;
this.StartPosit ion = System.Windows. Forms.FormStart Position.Center Parent;
this.Text = "Administra tor login";
this.Load += new System.EventHan dler(this.frmLo gin_Load);
this.gbxLogin.R esumeLayout(fal se);
this.ResumeLayo ut(false);

}
#endregion

private void frmLogin_Load(o bject sender, System.EventArg s e)
{

}

private void btnLogin_Click( object sender, System.EventArg s e)
{
// Call from here errors,
seems to be looking locally for the method, not the public one in the
other
form
EnableMenuOnLog in();
}
}
}
"Stoitcho Goutsev (100) [C# MVP]" wrote:

Hi Claus,
With the info you gave us it is really hard to tell.
What is 'test'?
Are the MDI container and MDI child in the same assembly? If not did you
add
a reference to the container's assembly in the child project?
Did you use using statements? And so on. It is best if you perepate some
simple sample code that demonstrates the problem.

--

Stoitcho Goutsev (100) [C# MVP]
"Claus Holm" <Claus Ho**@discussion s.microsoft.com> wrote in message
news:CE******** *************** ***********@mic rosoft.com...

> I'm trying to enable a menuitem in the parent form from a mdichild.
> Rather
> than making the menuitems public, I'd go for a public method in the
> parent
> form to do the change, but when I call the method from the mdichild, I
> get
> this error:
>
> C:\MyProjects\V isual Studio Projects\Tourna ment\Forms\frmL ogin.cs(69):
> The
> name 'test' does not exist in the class or namespace
> 'Tournament.frm Login'
>
> frmLogin is the mdichild.
>
> What am I missing here?
>
> Thanks,
> Claus Holm

[Claus Holm]

Thanks, it works. Coming from VB6 it seems strange, that when the method is
public and I'm in the same namespace, it's not accessible after all. Are
there other ways of handling things like this? - I'm thinking in the line of
the using statement?

Thanks once again,
Claus

seems to be looking locally for the method, not the public one in the other
form
EnableMenuOnLog in();
}

The compiler is right. There is no EnableMenuOnLog in method declared in the
frmLogin class

This method is declared in the MDI container class (frmStrikeTourn ament
class). To call this method you need a reference to the MDI container object

((frmStrikeTour nament)this.Mdi Parent).EnableM enuOnLogin();

--
HTH
Stoitcho Goutsev (100) [C# MVP]

[Stoitcho Goutsev \(100\) [C# MVP]]

Hi Claus,

Thanks, it works. Coming from VB6 it seems strange, that when the method
is
public and I'm in the same namespace, it's not accessible after all.
I've no experiance with VB6 and I know that there is big time frustration
among VB6 programmers about the changes made in VB .NET, but I'm still
little bit surprised that VB can compile the code withiout the reference
(see my next answer).
Are there other ways of handling things like this? - I'm thinking in the
line of
the using statement?

No there is not. *using* is used to save some typing by skipping the
namesapce part of the type names or to give namespaces and types different
names thus, solving name clashes, but in your case you want to access public
instance so you have to give a reference to the object, which member you
call. What if there were two dsitinctive objects (instance of this type)? If
you don't use the reference how can you specify, which object's member you
want to call. How I said I have no experience with VB, but I'm surprise that
it can chew this code

--

Stoitcho Goutsev (100) [C# MVP]