Events for Combobox in Visual C++

[invinci]

Hi all

i am facing problem with combobox events, here is what i need:

Combobox1
Choice: Metal, Plastic

Combobox2
Choice: if Metal in Combobox1: 2,3,4,5,6
Choice: if Plastic in Combobox1: 8,10,15

I am unable to write code for the event, can any one help me out with the hints or links or code!...any help is highly appreciated...!

#pragma once


namespace PR {

    using namespace System;
    using namespace System::ComponentModel;
    using namespace System::Collections;
    using namespace System::Windows::Forms;
    using namespace System::Data;
    using namespace System::Drawing;

    /// <summary>
    /// Summary for Form1
    ///
    /// WARNING: If you change the name of this class, you will need to change the
    ///          'Resource File Name' property for the managed resource compiler tool
    ///          associated with all .resx files this class depends on.  Otherwise,
    ///          the designers will not be able to interact properly with localized
    ///          resources associated with this form.
    /// </summary>
    public ref class Form1 : public System::Windows::Forms::Form
    {
    public:
        Form1(void)
        {
            InitializeComponent();
            //
            //TODO: Add the constructor code here
            //
        }

    protected:
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        ~Form1()
        {
            if (components)
            {
                delete components;
            }
        }
    private: System::Windows::Forms::ComboBox^  comboBox1;
    protected:
    private: System::Windows::Forms::ComboBox^  comboBox2;

    private:
        /// <summary>
        /// Required designer variable.
        /// </summary>
        System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        void InitializeComponent(void)
        {
            this->comboBox1 = (gcnew System::Windows::Forms::ComboBox());
            this->comboBox2 = (gcnew System::Windows::Forms::ComboBox());
            this->SuspendLayout();
            //
            // comboBox1
            //
            this->comboBox1->FormattingEnabled = true;
            this->comboBox1->Items->AddRange(gcnew cli::array< System::Object^  >(2) {L"METAL", L"PLASTIC"});
            this->comboBox1->Location = System::Drawing::Point(81, 80);
            this->comboBox1->Name = L"comboBox1";
            this->comboBox1->Size = System::Drawing::Size(121, 21);
            this->comboBox1->TabIndex = 0;
            this->comboBox1->Text = L"METAL";
            //
            // comboBox2
            //
            this->comboBox2->FormattingEnabled = true;
            this->comboBox2->Items->AddRange(gcnew cli::array< System::Object^  >(5) {L"2", L"3", L"4", L"5", L"6"});
            this->comboBox2->Location = System::Drawing::Point(81, 126);
            this->comboBox2->Name = L"comboBox2";
            this->comboBox2->Size = System::Drawing::Size(121, 21);
            this->comboBox2->TabIndex = 1;
            this->comboBox2->Text = L"2";
            this->comboBox2->SelectedIndexChanged += gcnew System::EventHandler(this, &Form1::comboBox2_SelectedIndexChanged);
            //
            // Form1
            //
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(292, 266);
            this->Controls->Add(this->comboBox2);
            this->Controls->Add(this->comboBox1);
            this->Name = L"Form1";
            this->Text = L"Form1";
            this->ResumeLayout(false);

        }
#pragma endregion
   
    private: System::Void comboBox2_SelectedIndexChanged(System::Object^  sender, System::EventArgs^  e) {
             }
    };
}