#pragma once

namespace WindowsFormApplication1 {

	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
	/// </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::TextBox^  textBox1;
	protected: 
	private: System::Windows::Forms::Button^  button1;

	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->textBox1 = (gcnew System::Windows::Forms::TextBox());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->SuspendLayout();
			// 
			// textBox1
			// 
			this->textBox1->Location = System::Drawing::Point(12, 12);
			this->textBox1->Multiline = true;
			this->textBox1->Name = L"textBox1";
			this->textBox1->Size = System::Drawing::Size(320, 234);
			this->textBox1->TabIndex = 0;
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(12, 256);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(75, 23);
			this->button1->TabIndex = 1;
			this->button1->Text = L"button1";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(351, 291);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->textBox1);
			this->Name = L"Form1";
			this->Text = L"Form1";
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
	private: System::Void dopisz(System::Windows::Forms::TextBox^ pole_tekst,
                             System::Int16 nr_linii,System::String^ tekst) {
             if (pole_tekst->Lines->Length==0)
                return;
             if (pole_tekst->Lines->Length<nr_linii)
                return;
             array<System::String^>^ linie = 
               gcnew array<System::String^>(pole_tekst->Lines->Length);
             linie=pole_tekst->Lines;
             pole_tekst->Clear();
             for (System::Int32 i=0;i<nr_linii;i++)
               pole_tekst->AppendText(linie[i]+System::Environment::NewLine);
             pole_tekst->AppendText(tekst+System::Environment::NewLine);
             for (System::Int32 i=nr_linii;i<linie->Length;i++)
               pole_tekst->AppendText(linie[i]+System::Environment::NewLine);
         }

	private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
                  dopisz(textBox1,2,"Linia wstawiona");
			 }
	};
}

