argument outofrange exception unhandled

This is a discussion on argument outofrange exception unhandled within the C# Programming forums, part of the General Programming Boards category; hi all Argument OutOfRangeException was unhandled by user code Index was out of range. Must be non-negative and less than ...

  1. #1
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    Join Date
    Nov 2008
    Posts
    162

    Question argument outofrange exception unhandled

    hi all


    Argument OutOfRangeException was unhandled by user code
    Index was out of range. Must be non-negative and less than the size of the collection.
    Parameter name: index

    Code:
    if (cChkBoxState == CheckBoxState.CheckedNormal)
                        {
                            string nodeFullPath = nodePath(this.tvFolders.SelectedNode.FullPath.ToString());
                            ListViewItem selectedItem = new ListViewItem();
                            selectedItem = e.Item;
                            string keyType = selectedItem.SubItems[1].Text.ToString();
    
                            InitListView(this.tvFolders.SelectedNode);
                            if ("STRING" == keyType)
                            {
                                ManagedRegItemString attributeRegItem = new ManagedRegItemString();
                                string stringVal = selectedItem.SubItems[2].Text.ToString();
                                attributeRegItem.stringValue = stringVal;
                                attributeRegItem.name = selectedItem.Text;
                                attributeRegItem.attributes = RegItemAttributeEnum.RegItemAttrReadonly;
                                ManagedRegistry.Delete(nodeFullPath, selectedItem.Text);
                                ManagedRegistry.WriteItem(nodeFullPath, attributeRegItem);
                                                                                        
                            }
                            if ("INTEGER" == keyType)
                            {
                                ManagedRegItemInteger attributeRegItem = new ManagedRegItemInteger();
                                string intVal = selectedItem.SubItems[2].Text.ToString();
                                int integerVal = (int)Convert.ToInt32(intVal);
                                attributeRegItem.integerValue = integerVal ;
                                attributeRegItem.name = selectedItem.Text;
                                attributeRegItem.attributes = RegItemAttributeEnum.RegItemAttrReadonly;
                                ManagedRegistry.Delete(nodeFullPath, selectedItem.Text);
                                ManagedRegistry.WriteItem(nodeFullPath, attributeRegItem);
                                                           
                            }
                            if ("BINARY" == keyType)
                            {
                                ManagedRegItemBinary attributeRegItem = new ManagedRegItemBinary();
                                string binVal = selectedItem.SubItems[2].Text.ToString();
                                byte [] binaryVal = new byte[10];
                                for(int i = 0; i < 10; i++)
                                {
                                binaryVal = System.Text.UTF8Encoding.ASCII.GetBytes(binVal);
                                }
                                attributeRegItem.binaryValue = binaryVal;
                                attributeRegItem.name = selectedItem.Text;
                                attributeRegItem.attributes = RegItemAttributeEnum.RegItemAttrReadonly;
                                ManagedRegistry.WriteItem(nodeFullPath, attributeRegItem);                           
                                
                            }
                            // Delete and write the updated value to the database
                            InitListView(this.tvFolders.SelectedNode);
                            EnumerateHBRegNode(this.tvFolders.SelectedNode);
                            
                            this.lvFiles.Refresh();
                            
             
                        }
    
                        ((CustomCheckBox)aChkBoxArray[e.ItemIndex]).bStateChanged = false;
                    }

    the exception occurs at this line below:

    ((CustomCheckBox)aChkBoxArray[e.ItemIndex]).bStateChanged = false;

  2. #2
    the hat of redundancy hat nvoigt's Avatar
    Join Date
    Aug 2001
    Location
    Hannover, Germany
    Posts
    3,139
    Then I'd guess that e.ItemIndex is either negative, or larger than aChkBoxArray.Length. Neither is good. Debug it.
    hth
    -nv

    She was so Blonde, she spent 20 minutes looking at the orange juice can because it said "Concentrate."

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