InvForm.h

// çàãîëîâíèé ôàéë äëÿ ðåàë³çàö³¿ ³íòåðôåéñó â³êíà îáåðíåíî¿ ìàòðèö³

#include "calc.h"

#pragma once

namespace IP54_Chyzh {

	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;

	/// <summary>
	/// Ñâîäêà äëÿ InvForm
	/// </summary>
	public ref class InvForm : public System::Windows::Forms::Form {
	public:
		InvForm(void) {
			InitializeComponent(); 
			//TODO: äîáàâüòå êîä êîíñòðóêòîðà
		}
	protected:
		// Îñâîáîäèòü âñå èñïîëüçóåìûå ðåñóðñû.
		~InvForm() {
			if (components) {
				delete components;
			}
		}

	private:
		System::ComponentModel::Container ^components;

	protected:
		// DataGridView äëÿ â³äîáðàæåííÿ çíà÷åíü åëåìåíò³â îáåðíåíî¿ ìàòðèö³ 
	public: System::Windows::Forms::DataGridView^  matrix_InvTable;
		// øàð (âåðõí³é), íà ÿêîìó ðîçì³ùóºòüñÿ matrix_InvTable
	private: System::Windows::Forms::TableLayoutPanel^  tableLayoutTop;
			 // âñ³ êíîïêè ä³é
	private: System::Windows::Forms::Button^  bClose;
	private: System::Windows::Forms::Button^  bSaveRes;
			 // øàð (íèæí³é), ùî îá'ºäíóº âñ³ êíîïêè ä³é
	private: System::Windows::Forms::TableLayoutPanel^  tableLayoutBottom;
			 // ñòàòóñ-áàð ç 3-ìà íàïèñàìè ³ 3-ìà ïîëÿìè
	private: System::Windows::Forms::ToolStrip^  toolStrip;
	private: System::Windows::Forms::ToolStripLabel^  toolStripLabel_Time;
	private: System::Windows::Forms::ToolStripTextBox^  toolStripTextBox_Time;
	private: System::Windows::Forms::ToolStripSeparator^  toolStripSeparator1;
	private: System::Windows::Forms::ToolStripLabel^  toolStripLabel_Iterac;
	private: System::Windows::Forms::ToolStripTextBox^  toolStripTextBox_Iterac;
	private: System::Windows::Forms::ToolStripSeparator^  toolStripSeparator2;
	private: System::Windows::Forms::ToolStripLabel^  toolStripLabel_Operand;
	private: System::Windows::Forms::ToolStripTextBox^  toolStripTextBox_Operand;
	private: System::Windows::Forms::ToolStripSeparator^  toolStripSeparator3;
	
#pragma region Windows Form Designer generated code
		// Îáÿçàòåëüíûé ìåòîä äëÿ ïîääåðæêè êîíñòðóêòîðà (íå èçìåíÿéòå ñîäåðæèìîå äàííîãî ìåòîäà ïðè ïîìîùè ðåäàêòîðà êîäà)
		void InitializeComponent(void) {
			System::Windows::Forms::DataGridViewCellStyle^  dataGridViewCellStyle1 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
			System::Windows::Forms::DataGridViewCellStyle^  dataGridViewCellStyle2 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
			System::ComponentModel::ComponentResourceManager^  resources = (gcnew System::ComponentModel::ComponentResourceManager(InvForm::typeid));
			this->tableLayoutTop = (gcnew System::Windows::Forms::TableLayoutPanel());
			this->matrix_InvTable = (gcnew System::Windows::Forms::DataGridView());
			this->tableLayoutBottom = (gcnew System::Windows::Forms::TableLayoutPanel());
			this->bSaveRes = (gcnew System::Windows::Forms::Button());
			this->bClose = (gcnew System::Windows::Forms::Button());
			this->toolStrip = (gcnew System::Windows::Forms::ToolStrip());
			this->toolStripLabel_Time = (gcnew System::Windows::Forms::ToolStripLabel());
			this->toolStripTextBox_Time = (gcnew System::Windows::Forms::ToolStripTextBox());
			this->toolStripSeparator1 = (gcnew System::Windows::Forms::ToolStripSeparator());
			this->toolStripLabel_Iterac = (gcnew System::Windows::Forms::ToolStripLabel());
			this->toolStripTextBox_Iterac = (gcnew System::Windows::Forms::ToolStripTextBox());
			this->toolStripSeparator2 = (gcnew System::Windows::Forms::ToolStripSeparator());
			this->toolStripLabel_Operand = (gcnew System::Windows::Forms::ToolStripLabel());
			this->toolStripTextBox_Operand = (gcnew System::Windows::Forms::ToolStripTextBox());
			this->toolStripSeparator3 = (gcnew System::Windows::Forms::ToolStripSeparator());
			this->tableLayoutTop->SuspendLayout();
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->matrix_InvTable))->BeginInit();
			this->tableLayoutBottom->SuspendLayout();
			this->toolStrip->SuspendLayout();
			this->SuspendLayout();
			// 
			// tableLayoutTop
			// 
			this->tableLayoutTop->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom)
				| System::Windows::Forms::AnchorStyles::Left)
				| System::Windows::Forms::AnchorStyles::Right));
			this->tableLayoutTop->ColumnCount = 1;
			this->tableLayoutTop->ColumnStyles->Add((gcnew System::Windows::Forms::ColumnStyle()));
			this->tableLayoutTop->Controls->Add(this->matrix_InvTable, 0, 0);
			this->tableLayoutTop->Controls->Add(this->tableLayoutBottom, 0, 1);
			this->tableLayoutTop->Location = System::Drawing::Point(1, 0);
			this->tableLayoutTop->Name = L"tableLayoutTop";
			this->tableLayoutTop->RowCount = 2;
			this->tableLayoutTop->RowStyles->Add((gcnew System::Windows::Forms::RowStyle(System::Windows::Forms::SizeType::Percent, 100)));
			this->tableLayoutTop->RowStyles->Add((gcnew System::Windows::Forms::RowStyle(System::Windows::Forms::SizeType::Absolute, 80)));
			this->tableLayoutTop->RowStyles->Add((gcnew System::Windows::Forms::RowStyle(System::Windows::Forms::SizeType::Absolute, 20)));
			this->tableLayoutTop->Size = System::Drawing::Size(765, 423);
			this->tableLayoutTop->TabIndex = 0;
			// 
			// matrix_InvTable
			// 
			this->matrix_InvTable->AllowUserToAddRows = false;
			this->matrix_InvTable->AllowUserToDeleteRows = false;
			this->matrix_InvTable->AllowUserToResizeColumns = false;
			this->matrix_InvTable->AllowUserToResizeRows = false;
			this->matrix_InvTable->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom)
				| System::Windows::Forms::AnchorStyles::Left)
				| System::Windows::Forms::AnchorStyles::Right));
			this->matrix_InvTable->BorderStyle = System::Windows::Forms::BorderStyle::Fixed3D;
			this->matrix_InvTable->CellBorderStyle = System::Windows::Forms::DataGridViewCellBorderStyle::Sunken;
			this->matrix_InvTable->ColumnHeadersBorderStyle = System::Windows::Forms::DataGridViewHeaderBorderStyle::Sunken;
			dataGridViewCellStyle1->Alignment = System::Windows::Forms::DataGridViewContentAlignment::MiddleLeft;
			dataGridViewCellStyle1->BackColor = System::Drawing::Color::Gold;
			dataGridViewCellStyle1->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			dataGridViewCellStyle1->ForeColor = System::Drawing::SystemColors::WindowText;
			dataGridViewCellStyle1->SelectionBackColor = System::Drawing::SystemColors::Highlight;
			dataGridViewCellStyle1->SelectionForeColor = System::Drawing::SystemColors::HighlightText;
			dataGridViewCellStyle1->WrapMode = System::Windows::Forms::DataGridViewTriState::True;
			this->matrix_InvTable->ColumnHeadersDefaultCellStyle = dataGridViewCellStyle1;
			this->matrix_InvTable->ColumnHeadersHeightSizeMode = System::Windows::Forms::DataGridViewColumnHeadersHeightSizeMode::AutoSize;
			this->matrix_InvTable->ColumnHeadersVisible = false;
			dataGridViewCellStyle2->Alignment = System::Windows::Forms::DataGridViewContentAlignment::MiddleCenter;
			dataGridViewCellStyle2->BackColor = System::Drawing::SystemColors::Window;
			dataGridViewCellStyle2->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			dataGridViewCellStyle2->ForeColor = System::Drawing::SystemColors::ControlText;
			dataGridViewCellStyle2->SelectionBackColor = System::Drawing::SystemColors::Highlight;
			dataGridViewCellStyle2->SelectionForeColor = System::Drawing::SystemColors::HighlightText;
			dataGridViewCellStyle2->WrapMode = System::Windows::Forms::DataGridViewTriState::False;
			this->matrix_InvTable->DefaultCellStyle = dataGridViewCellStyle2;
			this->matrix_InvTable->Location = System::Drawing::Point(3, 3);
			this->matrix_InvTable->Name = L"matrix_InvTable";
			this->matrix_InvTable->ReadOnly = true;
			this->matrix_InvTable->RowHeadersVisible = false;
			this->matrix_InvTable->RowHeadersWidth = 10;
			this->matrix_InvTable->Size = System::Drawing::Size(761, 337);
			this->matrix_InvTable->TabIndex = 0;
			// 
			// tableLayoutBottom
			// 
			this->tableLayoutBottom->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom)
				| System::Windows::Forms::AnchorStyles::Left)
				| System::Windows::Forms::AnchorStyles::Right));
			this->tableLayoutBottom->ColumnCount = 3;
			this->tableLayoutBottom->ColumnStyles->Add((gcnew System::Windows::Forms::ColumnStyle(System::Windows::Forms::SizeType::Absolute,
				20)));
			this->tableLayoutBottom->ColumnStyles->Add((gcnew System::Windows::Forms::ColumnStyle()));
			this->tableLayoutBottom->ColumnStyles->Add((gcnew System::Windows::Forms::ColumnStyle()));
			this->tableLayoutBottom->ColumnStyles->Add((gcnew System::Windows::Forms::ColumnStyle(System::Windows::Forms::SizeType::Absolute,
				20)));
			this->tableLayoutBottom->Controls->Add(this->bSaveRes, 1, 0);
			this->tableLayoutBottom->Controls->Add(this->bClose, 2, 0);
			this->tableLayoutBottom->Location = System::Drawing::Point(3, 346);
			this->tableLayoutBottom->Name = L"tableLayoutBottom";
			this->tableLayoutBottom->RowCount = 1;
			this->tableLayoutBottom->RowStyles->Add((gcnew System::Windows::Forms::RowStyle(System::Windows::Forms::SizeType::Percent, 100)));
			this->tableLayoutBottom->Size = System::Drawing::Size(761, 74);
			this->tableLayoutBottom->TabIndex = 1;
			// 
			// bSaveRes
			// 
			this->bSaveRes->Image = (cli::safe_cast<System::Drawing::Image^>(resources->GetObject(L"bSaveRes.Image")));
			this->bSaveRes->ImageAlign = System::Drawing::ContentAlignment::MiddleLeft;
			this->bSaveRes->Location = System::Drawing::Point(23, 3);
			this->bSaveRes->Name = L"bSaveRes";
			this->bSaveRes->Size = System::Drawing::Size(207, 67);
			this->bSaveRes->TabIndex = 0;
			this->bSaveRes->Text = L"&Çáåðåãòè îáåðíåíó\r\nìàòðèöþ ó ôàéë³";
			this->bSaveRes->TextAlign = System::Drawing::ContentAlignment::MiddleRight;
			this->bSaveRes->UseVisualStyleBackColor = true;
			this->bSaveRes->Click += gcnew System::EventHandler(this, &InvForm::bSaveRes_Click);
			// 
			// bClose
			// 
			this->bClose->Anchor = static_cast<System::Windows::Forms::AnchorStyles>(((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom)
				| System::Windows::Forms::AnchorStyles::Right));
			this->bClose->Image = (cli::safe_cast<System::Drawing::Image^>(resources->GetObject(L"bClose.Image")));
			this->bClose->ImageAlign = System::Drawing::ContentAlignment::MiddleLeft;
			this->bClose->Location = System::Drawing::Point(601, 3);
			this->bClose->Margin = System::Windows::Forms::Padding(3, 3, 23, 3);
			this->bClose->Name = L"bClose";
			this->bClose->Size = System::Drawing::Size(137, 68);
			this->bClose->TabIndex = 1;
			this->bClose->Text = L"Âè&õ³ä";
			this->bClose->TextAlign = System::Drawing::ContentAlignment::MiddleRight;
			this->bClose->UseVisualStyleBackColor = true;
			this->bClose->Click += gcnew System::EventHandler(this, &InvForm::bClose_Click);
			// 
			// toolStrip
			// 
			this->toolStrip->Dock = System::Windows::Forms::DockStyle::Bottom;
			this->toolStrip->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			this->toolStrip->GripStyle = System::Windows::Forms::ToolStripGripStyle::Hidden;
			this->toolStrip->Items->AddRange(gcnew cli::array< System::Windows::Forms::ToolStripItem^  >(9) {
				this->toolStripLabel_Time,
					this->toolStripTextBox_Time, this->toolStripSeparator1, this->toolStripLabel_Iterac, this->toolStripTextBox_Iterac, this->toolStripSeparator2,
					this->toolStripLabel_Operand, this->toolStripTextBox_Operand, this->toolStripSeparator3
			});
			this->toolStrip->Location = System::Drawing::Point(0, 426);
			this->toolStrip->Name = L"toolStrip";
			this->toolStrip->Padding = System::Windows::Forms::Padding(10, 5, 0, 5);
			this->toolStrip->RenderMode = System::Windows::Forms::ToolStripRenderMode::System;
			this->toolStrip->Size = System::Drawing::Size(774, 36);
			this->toolStrip->Stretch = true;
			this->toolStrip->TabIndex = 9;
			// 
			// toolStripLabel_Time
			// 
			this->toolStripLabel_Time->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			this->toolStripLabel_Time->ForeColor = System::Drawing::Color::Maroon;
			this->toolStripLabel_Time->Name = L"toolStripLabel_Time";
			this->toolStripLabel_Time->Size = System::Drawing::Size(124, 23);
			this->toolStripLabel_Time->Text = L"×àñ îá÷èñëåííÿ";
			// 
			// toolStripTextBox_Time
			// 
			this->toolStripTextBox_Time->BackColor = System::Drawing::SystemColors::Window;
			this->toolStripTextBox_Time->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, static_cast<System::Drawing::FontStyle>((System::Drawing::FontStyle::Bold | System::Drawing::FontStyle::Italic)),
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			this->toolStripTextBox_Time->ForeColor = System::Drawing::Color::Maroon;
			this->toolStripTextBox_Time->Name = L"toolStripTextBox_Time";
			this->toolStripTextBox_Time->ReadOnly = true;
			this->toolStripTextBox_Time->Size = System::Drawing::Size(100, 26);
			this->toolStripTextBox_Time->TextBoxTextAlign = System::Windows::Forms::HorizontalAlignment::Center;
			// 
			// toolStripSeparator1
			// 
			this->toolStripSeparator1->Name = L"toolStripSeparator1";
			this->toolStripSeparator1->Size = System::Drawing::Size(6, 26);
			// 
			// toolStripLabel_Iterac
			// 
			this->toolStripLabel_Iterac->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			this->toolStripLabel_Iterac->ForeColor = System::Drawing::Color::Maroon;
			this->toolStripLabel_Iterac->Name = L"toolStripLabel_Iterac";
			this->toolStripLabel_Iterac->Size = System::Drawing::Size(140, 23);
			this->toolStripLabel_Iterac->Text = L"ʳëüê³ñòü ³òåðàö³é";
			// 
			// toolStripTextBox_Iterac
			// 
			this->toolStripTextBox_Iterac->BackColor = System::Drawing::SystemColors::Window;
			this->toolStripTextBox_Iterac->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, static_cast<System::Drawing::FontStyle>((System::Drawing::FontStyle::Bold | System::Drawing::FontStyle::Italic)),
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			this->toolStripTextBox_Iterac->ForeColor = System::Drawing::Color::Maroon;
			this->toolStripTextBox_Iterac->Name = L"toolStripTextBox_Iterac";
			this->toolStripTextBox_Iterac->ReadOnly = true;
			this->toolStripTextBox_Iterac->Size = System::Drawing::Size(100, 26);
			this->toolStripTextBox_Iterac->TextBoxTextAlign = System::Windows::Forms::HorizontalAlignment::Center;
			// 
			// toolStripSeparator2
			// 
			this->toolStripSeparator2->Name = L"toolStripSeparator2";
			this->toolStripSeparator2->Size = System::Drawing::Size(6, 26);
			// 
			// toolStripLabel_Operand
			// 
			this->toolStripLabel_Operand->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			this->toolStripLabel_Operand->ForeColor = System::Drawing::Color::Maroon;
			this->toolStripLabel_Operand->Name = L"toolStripLabel_Operand";
			this->toolStripLabel_Operand->Size = System::Drawing::Size(145, 23);
			this->toolStripLabel_Operand->Text = L"ʳëüê³ñòü îïåðàö³é";
			// 
			// toolStripTextBox_Operand
			// 
			this->toolStripTextBox_Operand->BackColor = System::Drawing::SystemColors::Window;
			this->toolStripTextBox_Operand->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, static_cast<System::Drawing::FontStyle>((System::Drawing::FontStyle::Bold | System::Drawing::FontStyle::Italic)),
				System::Drawing::GraphicsUnit::Point, static_cast<System::Byte>(204)));
			this->toolStripTextBox_Operand->ForeColor = System::Drawing::Color::Maroon;
			this->toolStripTextBox_Operand->Name = L"toolStripTextBox_Operand";
			this->toolStripTextBox_Operand->ReadOnly = true;
			this->toolStripTextBox_Operand->Size = System::Drawing::Size(100, 26);
			this->toolStripTextBox_Operand->TextBoxTextAlign = System::Windows::Forms::HorizontalAlignment::Center;
			// 
			// toolStripSeparator3
			// 
			this->toolStripSeparator3->Name = L"toolStripSeparator3";
			this->toolStripSeparator3->Size = System::Drawing::Size(6, 26);
			// 
			// InvForm
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(9, 19);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(774, 462);
			this->Controls->Add(this->toolStrip);
			this->Controls->Add(this->tableLayoutTop);
			this->Font = (gcnew System::Drawing::Font(L"Times New Roman", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			this->Margin = System::Windows::Forms::Padding(4);
			this->MinimumSize = System::Drawing::Size(790, 500);
			this->Name = L"InvForm";
			this->StartPosition = System::Windows::Forms::FormStartPosition::CenterParent;
			this->Text = L"Îáåðíåíà ìàòðèöÿ";
			this->Load += gcnew System::EventHandler(this, &InvForm::InvForm_Load);
			this->Shown += gcnew System::EventHandler(this, &InvForm::InvForm_Shown);
			this->tableLayoutTop->ResumeLayout(false);
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->matrix_InvTable))->EndInit();
			this->tableLayoutBottom->ResumeLayout(false);
			this->toolStrip->ResumeLayout(false);
			this->toolStrip->PerformLayout();
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
		// ---------- ï³äïðîãðàìà ïî䳿 ïî÷àòêîâîãî çàâàíòàæåííÿ ôîðìè ----------------
	private: System::Void InvForm_Load(System::Object^  sender, System::EventArgs^  e) {
				 matrix_InvTable->AutoResizeColumns();  // âèð³âíÿòè êë³òèíè Grid-a
				 toolStripTextBox_Time->Text = Convert::ToString(calc_time) + " ìëñ";	// êîíâåðòóâàòè çàïèñàòè ÷àñ îá÷èñëåííÿ â ðÿäîê ³ çàïèñàòè éîãî â ñòàòóñáàð
				 toolStripTextBox_Iterac->Text = Convert::ToString(kolIter);				// êîíâåðòóâàòè ê³ëüê³ñòü âèêîíàíèõ â ìåòîä³ ³òåðàö³é â ðÿäîê ³ çàïèñàòè ðåçóëüòàò â ñòàòóñáàð
				 toolStripTextBox_Operand->Text = Convert::ToString(kolOperation);		// êîíâåðòóâàòè ê³ëüê³ñòü âèêîíàíèõ â ìåòîä³ îïåðàö³é (+-*/) â ðÿäîê ³ çàïèñàòè ðåçóëüòàò â ñòàòóñáàð
	}
		// ---------- ï³äïðîãðàìà ïî䳿 ïîêàçó ôîðìè ----------------
	private: System::Void InvForm_Shown(System::Object^  sender, System::EventArgs^  e) {
			 MessageBox::Show(matrix_InvTable->Text, "Óñï³õ", MessageBoxButtons::OK, MessageBoxIcon::Information);
	}
		// ---------- ï³äïðîãðàìà ïåðåâ³ðêè íà êîðåêòí³ñòü âì³ñòó Grid-a ³ çàïèñó éîãî åëåìåíò³â â ìàòðèöþ ----------------
	public: double** GridToMatrix(int N) {
				 bool err = false;			// ïðàïîðåöü ïîìèëêè (ïîìèëêà â³äñóòíÿ)
				 double **matrix = new double*[N];		// ñòâîðèòè íîâó ìàòðèöþ
				 for (int i = 0; i < N && !err; i++) {	// öèêë ïî ðÿäêàõ ìàòðèö³
					 matrix[i] = new double[N];			// ñòâîðåííÿ íîâîãî ðÿäêà ìàòðèö³ 
					 for (int j = 0; j < N && !err; j++) 
						 err = !Double::TryParse(Convert::ToString(matrix_InvTable->Rows[i]->Cells[j]->Value), matrix[i][j]);	// êîíâåðòóâàòè åëåìåíò â double ³ ïåðåâ³ðèòè ïðàâèëüí³ñòü  
				 }
				 return (err) ? NULL : matrix;	// ïîâåðíóòè: NULL, ÿêùî âèíèêëà ïîìèëêà, ³íàêøå, àäðåñó ìàòðèö³ À 
	}
		 // ---------- ï³äïðîãðàìà çàïèñó ìàòðèö³ ðîçì³ðíîñò³ N äî ôàéëó file ----------------
	private: System::Void SaveTo(double ** matrix, String ^file, int N) {
				 System::String ^st1 = gcnew System::String("");		// ðÿäîê äëÿ çàïèñó ÷èëåë 
				 System::IO::StreamWriter ^streamWrite = gcnew System::IO::StreamWriter(file, false);	// â³äêðèòè ïîò³ê (ôàéë) äëÿ çàïèñó (ÿêùî ôàéë âæå ³ñíóº - ïåðåçàïèñàòè éîãî)
				 streamWrite->WriteLine(Convert::ToString(N));	// çàïèñàòè ó ôàéë ðîçì³ðí³ñòü ìàòðèö³ À
				 for (int i = 0; i < N; i++) {	// öèêë ïî N-ðÿäêàõ ìàòðèö³ À  
					 st1 = "";	// î÷èñòèòè ðÿäîê
					 for (int j = 0; j < N; j++) {		// côîðìóâàòè ³ çàïèñàòè âñ³ ðÿäêè ìàòðèö³
						 st1 = st1->Concat(st1, Convert::ToString(matrix[i][j])); // äîáàâèòè äî ðÿäêà íàñòóïíèé åëåìåíò ìàòðèö³
						 st1 += (j < N - 1) ? " " : "";	// äîáàâèòè ïðîì³æîê ï³ñëÿ êîæíîãî çíà÷åííÿìè (êð³ì îñòàííüîãî)
					 }
					 streamWrite->WriteLine(st1->Replace(",", "."));		// çàïèñàòè ñôîðìîâàíèé ðÿäîê ó ôàéë (ïîò³ê)
				 }
				 streamWrite->Close();	// çàêðèòè ïîò³ê (ôàéë)
				 MessageBox::Show("Çàïèñ îáåðíåíî¿ ìàòðèö³ äî ôàéëó âèêîíàíî âäàëî.", "Óñï³õ", MessageBoxButtons::OK, MessageBoxIcon::Information);
	}
		 // ---------- ä³àëîã âèáîðó ôàéëà äëÿ çàïèñó â íüîãî îáåðåíåíî¿ ìàòðèö³ ----------------
private: System::Void bSaveRes_Click(System::Object^  sender, System::EventArgs^  e) {
			 int N = Convert::ToInt32(matrix_InvTable->Tag); // êîíâåðòóâàòè ðîçì³ðí³ñòü Grid-a â ÷èñëî
			 if (GridToMatrix(N)) { // ÿêùî âñ³ åëåìåíòè Grid-a êîðåêòí³ ÷èñëà, òî çàïèñàòè ¿õ ó ôàéë
				 SaveFileDialog ^saveFileDialogTo = gcnew System::Windows::Forms::SaveFileDialog();
				 saveFileDialogTo->Title = "Çáåðåæåííÿ îáåðíåíî¿ ìàòðèö³ äî ôàéëó";
				 saveFileDialogTo->InitialDirectory = Path::Combine(Application::StartupPath, "\Result");	// âñòàíîâèòè ïî÷àòêîâó ïàïêó äëÿ ÷èòàííÿ (ïàïêà Result ïîâèííà áóòè â ïàïö³ ³ç exe-ôàéëîì)
				 saveFileDialogTo->Filter = "Ôàéëè ³ç çàâäàííÿ|*.tsk|Ôàéëè ³ç ð³øåííÿì|*.res|Âñ³ ôàéëè|*.*";
				 saveFileDialogTo->FilterIndex = 2;	// âñòàíîâèòè îñíîâíèì (ïîòî÷íèì) äðóãèé ô³ëüòð 
				 if (saveFileDialogTo->ShowDialog() == System::Windows::Forms::DialogResult::OK && saveFileDialogTo->FileName->Length > 0) {// â³äêðèòè ä³àëîã çàïèñó äî ôàéëó
					 double **A = GridToMatrix(N); // êîíâåðòóâàòè Gr³d â ìàòðèöþ double
					 SaveTo(A, saveFileDialogTo->FileName, Convert::ToInt32(N)); // âèêîíàòè çàïèñ ³íôîðìàö³¿ ç ìàòðèö³ äî ôàéëó
				 }
				 else
					 MessageBox::Show("Îáåðíåíó ìàòðèöþ äî ôàéëó ÍÅ ÇÁÅÐÅÆÅÍÎ!", "Ïîìèëêà", MessageBoxButtons::OK, MessageBoxIcon::Warning);
			 }
}
		 // ---------- ï³äïðîãðàìà çàêðèòòÿ ö³º¿ ôîðìè ----------------
private: System::Void bClose_Click(System::Object^  sender, System::EventArgs^  e) {
			 Close();
}
};
}