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Why am I getting out of range exception with these code?

lapucca
lapucca asked
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Last Modified: 2008-01-09
Hi:  Below is the error I got from the 2 lines of code below.  I don't understand why and how to correct it.  The actionMenu.DropDownItems has 0 item in its collection at the time of the code.  Thanks.

An unhandled exception of type 'System.ArgumentOutOfRangeException' occurred in mscorlib.dll
Additional information: Index was out of range. Must be non-negative and less than the size of the collection.


                        ToolStripItemCollection contextsMenuItems = contextsMenuStrip.Items;
                        .AddRange(contextsMenuItems);
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Commented:
Make sure not to use the same contextmenu to add it, like below:

ToolStripItemCollection contextsMenuItems = contextsMenuStrip.Items;
contextsMenuStrip.AddRange(contextsMenuItems);


Show the whole code lines to see it. Normally this shouldn't  get an error if you use 2 contextmenu

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Commented:
You should consider the index of a contextmenustrip
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