C / C++ / MFC

class Polaczenie
	{
	private:
		pcap_if_t *alldevs; // lista, w której znajduje się karta sieciowa
		pcap_if_t *d;
		int inum;
		pcap_t *adhandle;
		char errbuf[PCAP_ERRBUF_SIZE];
	
	public: 
		Polaczenie()
		{
			Initialise();
		}

	private: 
		void Initialise()
		{
			RetrieveDeviceList();
		}
		
		void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data);

		void RetrieveDeviceList()
		{
			// an object of the Form Form1
			Form1 ^f1 = gcnew Form1();
			String ^_name;

			// Retrieve the device list
			if(pcap_findalldevs(&alldevs, errbuf) == -1)
			{					
				f1->SetStatusText("Error in pcap_findalldevs: " + gcnew String(errbuf));
				exit(1);
			}
			
			// Print the list
			for(d=alldevs; d; d=d->next)
			{
				_name = gcnew String(d->name);
				// printf("%d. %s", ++i, d->name);
				if (d->description)
					_name += " " + gcnew String(d->description);
					//printf(" (%s)\n", d->description);
				else
					_name += " (No description available)";
					//printf(" (No description available)\n");

				f1->FillNetworkAdapterList(_name);
			}
		}
	};

#pragma once


namespace Something {

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


	/// <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::StatusStrip^  statusStrip1;
	private: System::Windows::Forms::SplitContainer^  splitContainer1;
	private: System::Windows::Forms::Button^  btStop;
	private: System::Windows::Forms::Button^  btStart;
	private: System::Windows::Forms::ComboBox^  comboBoxNetAdap;
	private: System::Windows::Forms::Label^  label1;
	private: System::Windows::Forms::ToolStripStatusLabel^  toolStripStatusLabel1;
	private: System::Windows::Forms::ProgressBar^  pgBarSpace;


	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->statusStrip1 = (gcnew System::Windows::Forms::StatusStrip());
			this->toolStripStatusLabel1 = (gcnew System::Windows::Forms::ToolStripStatusLabel());
			this->splitContainer1 = (gcnew System::Windows::Forms::SplitContainer());
			this->pgBarSpace = (gcnew System::Windows::Forms::ProgressBar());
			this->btStop = (gcnew System::Windows::Forms::Button());
			this->btStart = (gcnew System::Windows::Forms::Button());
			this->comboBoxNetAdap = (gcnew System::Windows::Forms::ComboBox());
			this->label1 = (gcnew System::Windows::Forms::Label());
			this->statusStrip1->SuspendLayout();
			this->splitContainer1->Panel1->SuspendLayout();
			this->splitContainer1->SuspendLayout();
			this->SuspendLayout();
			// 
			// statusStrip1
			// 
			this->statusStrip1->Items->AddRange(gcnew cli::array< System::Windows::Forms::ToolStripItem^  >(1) {this->toolStripStatusLabel1});
			this->statusStrip1->Location = System::Drawing::Point(0, 323);
			this->statusStrip1->Name = L"statusStrip1";
			this->statusStrip1->Size = System::Drawing::Size(762, 22);
			this->statusStrip1->TabIndex = 0;
			this->statusStrip1->Text = L"statusStrip1";
			// 
			// toolStripStatusLabel1
			// 
			this->toolStripStatusLabel1->Name = L"toolStripStatusLabel1";
			this->toolStripStatusLabel1->Size = System::Drawing::Size(109, 17);
			this->toolStripStatusLabel1->Text = L"toolStripStatusLabel1";
			// 
			// splitContainer1
			// 
			this->splitContainer1->Dock = System::Windows::Forms::DockStyle::Fill;
			this->splitContainer1->Location = System::Drawing::Point(0, 0);
			this->splitContainer1->Name = L"splitContainer1";
			// 
			// splitContainer1.Panel1
			// 
			this->splitContainer1->Panel1->Controls->Add(this->pgBarSpace);
			this->splitContainer1->Panel1->Controls->Add(this->btStop);
			this->splitContainer1->Panel1->Controls->Add(this->btStart);
			this->splitContainer1->Panel1->Controls->Add(this->comboBoxNetAdap);
			this->splitContainer1->Panel1->Controls->Add(this->label1);
			this->splitContainer1->Size = System::Drawing::Size(762, 323);
			this->splitContainer1->SplitterDistance = 185;
			this->splitContainer1->TabIndex = 1;
			// 
			// pgBarSpace
			// 
			this->pgBarSpace->ForeColor = System::Drawing::SystemColors::HotTrack;
			this->pgBarSpace->Location = System::Drawing::Point(30, 269);
			this->pgBarSpace->Name = L"pgBarSpace";
			this->pgBarSpace->Size = System::Drawing::Size(120, 10);
			this->pgBarSpace->Step = 5;
			this->pgBarSpace->Style = System::Windows::Forms::ProgressBarStyle::Marquee;
			this->pgBarSpace->TabIndex = 8;
			this->pgBarSpace->Value = 25;
			// 
			// btStop
			// 
			this->btStop->Enabled = false;
			this->btStop->Location = System::Drawing::Point(53, 171);
			this->btStop->Name = L"btStop";
			this->btStop->Size = System::Drawing::Size(75, 23);
			this->btStop->TabIndex = 7;
			this->btStop->Text = L"Stop";
			this->btStop->UseVisualStyleBackColor = true;
			this->btStop->Click += gcnew System::EventHandler(this, &Form1::btStop_Click);
			// 
			// btStart
			// 
			this->btStart->Enabled = false;
			this->btStart->Location = System::Drawing::Point(53, 133);
			this->btStart->Name = L"btStart";
			this->btStart->Size = System::Drawing::Size(75, 23);
			this->btStart->TabIndex = 6;
			this->btStart->Text = L"Start";
			this->btStart->UseVisualStyleBackColor = true;
			this->btStart->Click += gcnew System::EventHandler(this, &Form1::btStart_Click);
			// 
			// comboBoxNetAdap
			// 
			this->comboBoxNetAdap->FormattingEnabled = true;
			this->comboBoxNetAdap->Items->AddRange(gcnew cli::array< System::Object^  >(3) {L"karta sieciowa_1", L"karta sieciowa_2", 
				L"..."});
			this->comboBoxNetAdap->Location = System::Drawing::Point(30, 76);
			this->comboBoxNetAdap->Name = L"comboBoxNetAdap";
			this->comboBoxNetAdap->Size = System::Drawing::Size(121, 21);
			this->comboBoxNetAdap->TabIndex = 5;
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(31, 49);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(119, 13);
			this->label1->TabIndex = 4;
			this->label1->Text = L"Wybierz kartę sieciową:";
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(762, 345);
			this->Controls->Add(this->splitContainer1);
			this->Controls->Add(this->statusStrip1);
			this->Name = L"Form1";
			this->Text = L"Form1";
			this->statusStrip1->ResumeLayout(false);
			this->statusStrip1->PerformLayout();
			this->splitContainer1->Panel1->ResumeLayout(false);
			this->splitContainer1->Panel1->PerformLayout();
			this->splitContainer1->ResumeLayout(false);
			this->ResumeLayout(false);
			this->PerformLayout();

//			Polaczenie ^p = gcnew Polaczenie();

		}
#pragma endregion

private: System::Void btStart_Click(System::Object^  sender, System::EventArgs^  e) {
			 btStart->Enabled = false;
			 btStop->Enabled = true;
		 }
private: System::Void btStop_Click(System::Object^  sender, System::EventArgs^  e) {
			 btStart->Enabled = true;
			 btStop->Enabled = false;
		 }

public: System::Void SetStatusText(String ^_text)
		 {
			 statusStrip1->Text = _text;
		 }

public: System::Void FillNetworkAdapterList(Object ^_item)
		{
			comboBoxNetAdap->Items->Add(_item);
		}

private: System::Void CheckNetAdapters()
		{
			
		}
};
}