form

#pragma once

namespace ProjectForm {

    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 MyForm
    /// </summary>
    public ref class MyForm : public System::Windows::Forms::Form
    {
    public:
        MyForm(void)
        {
            InitializeComponent();
            //
            //TODO: Add the constructor code here
            //
        }

    protected:
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        ~MyForm()
        {
            if (components)
            {
                delete components;
            }
        }
    private:
        System::Collections::Generic::List<line> lines;
    private: System::Windows::Forms::OpenFileDialog^  openFileDialog;

    private: System::Windows::Forms::Button^  btnOpen;
    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->openFileDialog = (gcnew System::Windows::Forms::OpenFileDialog());
            this->btnOpen = (gcnew System::Windows::Forms::Button());
            this->SuspendLayout();
            //
            // openFileDialog
            //
            this->openFileDialog->DefaultExt = L"txt";
            this->openFileDialog->FileName = L"openFileDialog";
            this->openFileDialog->Filter = L"Текстовые файлы (*.txt)|*.txt|Все файлы (*.*)|*.*";
            this->openFileDialog->Title = L"Открыть файл";
            this->openFileDialog->FileOk += gcnew System::ComponentModel::CancelEventHandler(this, &MyForm::openFileDialog_FileOk);
            //
            // btnOpen
            //
            this->btnOpen->Location = System::Drawing::Point(49, 61);
            this->btnOpen->Name = L"btnOpen";
            this->btnOpen->Size = System::Drawing::Size(223, 189);
            this->btnOpen->TabIndex = 0;
            this->btnOpen->Text = L"Открыть";
            this->btnOpen->UseVisualStyleBackColor = true;
            this->btnOpen->Click += gcnew System::EventHandler(this, &MyForm::btnOpen_Click_1);
            //
            // MyForm
            //
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(352, 315);
            this->Controls->Add(this->btnOpen);
            this->Name = L"MyForm";
            this->Text = L"MyForm";
            this->Load += gcnew System::EventHandler(this, &MyForm::MyForm_Load);
            this->Paint += gcnew System::Windows::Forms::PaintEventHandler(this, &MyForm::MyForm_Paint);
            this->ResumeLayout(false);

        }
#pragma endregion
    private: System::Void MyForm_Load(System::Object^  sender, System::EventArgs^  e) {
                 lines.Clear();
                 unit(T);
    }
    private: System::Void MyForm_Paint(System::Object^  sender, System::Windows::Forms::PaintEventArgs^  e)
    {
                 Graphics^ g = e->Graphics;
                 g->Clear(Color::HotPink);
                 Rectangle rect = Form::ClientRectangle;

                 Pen^ blackPen = gcnew Pen(Color::Blue);
                 blackPen->Width = 4;

                 for (int i = 0; i < lines.Count; i++)
                 {
                     g->DrawLine(blackPen, lines[i].start.x, lines[i].start.y, lines[i].end.x, lines[i].end.y);

                     //

                    vec A, B;
                    point2vec(lines[i].start, A);
                    point2vec(lines[i].end, B);

                    vec A1, B1;
                    timesMatVec(T, A, A1);
                    timesMatVec(T, B, B1);

                    point a, b;
                    vec2point(A1, a);
                    vec2point(B1, b);
                    g->DrawLine(blackPen, a.x, a.y, b.x, b.y);
                 }
                 //


    }
    private: System::Void openFileDialog_FileOk(System::Object^  sender, System::ComponentModel::CancelEventArgs^  e)
    {

    }

private: System::Void btnOpen_Click_1(System::Object^  sender, System::EventArgs^  e)
{
             if (this->openFileDialog->ShowDialog() == System::Windows::Forms::DialogResult::OK)
             {
                 wchar_t fileName[1024];
                 for (int i = 0; i < openFileDialog->FileName->Length; i++)
                     fileName[i] = openFileDialog->FileName[i];
                 fileName[openFileDialog->FileName->Length] = '\0';
                 std::ifstream in;
                 in.open(fileName);
                 if (in.is_open())
                 {
                     lines.Clear();
                     std::string str;
                     getline(in, str);
                     while (in)
                     {
                         if ((str.find_first_not_of(" \t\r\n") != std::string::npos)
                             && (str[0] != '#'))
                         {
                             std::stringstream s(str);
                             line l;
                             s >> l.start.x >> l.start.y >> l.end.x >> l.end.y;
                             std::string linename;
                             s >> linename;
                             l.name = gcnew String(linename.c_str());
                             lines.Add(l);
                         }
                         getline(in, str);
                     }
                 }
                 this->Refresh();
             }
}
};
}