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Iterating through menustrip items

, 3 May 2012
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This article explains how you can iterate through all ToolStripMenuItems of a menu strip.
This is an old version of the currently published tip/trick.

Introduction

It is quite difficult to set the properties of toolstrip menu items like if you want to disable certain items or make them invisible. It is simple to set them individually but if you want to iterate through all the items it's quite difficult. This article explains how you can iterate through all ToolStripMenuItems of a menu strip. 

Background

Given code works on a recursive method call.

Using the Code

// if we have a MenuStrip named ts.

foreach (ToolStripMenuItem mainMenu in ts.Items)
{
    if (mainMenu.Visible)
    {
        // navigate through each submenu
        SetToolStripItems(mainMenu.DropDownItems);
    }
}

private void  SetToolStripItems(ToolStripItemCollection dropDownItems)
{
    try
    {
        foreach (object obj in dropDownItems)
        //for each object because it could be toolstrip seperator as well.
        {
            if (obj.GetType().ToString() == "System.Windows.Forms.ToolStripMenuItem")
            //if we get the desired object type.
            {
                ToolStripMenuItem subMenu = (ToolStripMenuItem)obj;
                // cast to ToolStripMenuItem

                if (subMenu.HasDropDownItems) // if subMenu has childrens
                {
                    SetToolStripItems(subMenu.DropDownItems); // Call recursive Method.
                }
                else // Do the desired operations here.
                {
                    if (subMenu.Tag != null)
                    {
                        subMenu.Visible = 
                          AccountsGlobals.FormRights(Convert.ToInt32(subMenu.Tag)).CanAccess;
                        subMenu.Enabled  = 
                          AccountsGlobals.FormRights(Convert.ToInt32(subMenu.Tag)).CanAccess;
                    }
                }
            }
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message, "SetToolStripItems", 
                        MessageBoxButtons.OK, MessageBoxIcon.Error);
    }
}

Points of Interest

Recursive methods are quite useful when you don't know the depth of the loops.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Qadeer Ahmed Khan
Software Developer
Pakistan Pakistan
No Biography provided

Comments and Discussions


Discussions posted for the Published version of this article. Posting a message here will take you to the publicly available article in order to continue your conversation in public.
 
GeneralMy vote of 5 Pinmembershanmugamvasu20-Oct-12 1:07 
Questiontip PinmemberMrDeej3-May-12 8:27 
AnswerRe: tip Pinmemberqadeer ahmed khan3-May-12 19:22 
GeneralRe: tip PinmemberSelvin3-May-12 23:41 
GeneralRe: tip PinmemberJohn Brett4-May-12 0:11 

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