Write to struct, Read struct into textBox2 using Microsoft Visual C++ 2008 Express Wi

[Dwayne9]

 
// 12 lines of code to work with windows
// What I added is in red, the dark red far left 
// is needed the blue is what it wrote   
      #pragma once
            namespace WriteRead {
            using namespace System;
            using namespace System::ComponentModel;
            using namespace System::Collections;
            using namespace System::Windows::Forms;
            using namespace System::Data;
            using namespace System::Drawing;
   // I moved what the program wrote over to the left
   // avoid more confusion
   // >>>|
   // <<<what I add is on the right side 
   // this is where I put the struct not in the .cpp
   // file
public value struct Book{
   // I found an example that is using struct at
   // http://www.functionx.com/vccli/applications
   // /carinventory.htm
   // that example is using Visual C++ 2005, I am using
   // Visual C++ 2008 Express Edition
String ^ tx; // I will trying to do direct access
   // to a text file, to load a page[].tx into textBox2
   // (later)
   // using String pointers? I feel no control and all
   // would be lost if not saved to file
   // char tx[100]; // I would like to do it this way
   // do you have some idea how?
}; // Will I be able to do direct access in a file
   // using "String ^ tx;" ? 
   // If I log the end of the file each time I add a
   // structs, how does it know to only read one back?
   // Using pointers?
   // How does it know the end of one struct? 
   // Book page[10]; // I can not used it this way and
   // not needed I will need a array for index location
 
            /// <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::TextBox^
                textBox1;
            protected: 
            private: 
                System::Windows::Forms::Button^
                button1;
            private: 
                System::Windows::Forms::TextBox^
                textBox2;
 
            private:
            /// <summary>
            /// Required designer variable.
            /// </summary>
            System::ComponentModel::Container
            ^components;
            private: 
                System::Windows::Forms::Button^ 
                button2;
            private: 
                System::Windows::Forms::Label^  label1;
static array<Book ^> ^ page = gcnew array<Book ^>(10);     
  // will need just one // how do you read this?
  // I found in a book they could read this, I will
  // try to post it
  // If I say someting in human language like: "need 10
  // Book struck" the program should ask some questions
  // and refine my word and help me write human language
  // or/and in c++ or c# and it would be teaching me
  // and I am sure it would know about gc in "gcnew".
 
        #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->textBox2 = (gcnew 
                System::Windows::Forms::TextBox());
                this->button2 = (gcnew 
                System::Windows::Forms::Button());
                this->label1 = (gcnew 
                System::Windows::Forms::Label());
                this->SuspendLayout();
                // 
                // textBox1
                // 
                this->textBox1->Location = 
                System::Drawing::Point(30, 28);
                this->textBox1->Name = L"textBox1";
                this->textBox1->Size = 
                System::Drawing::Size(100, 20);
                this->textBox1->TabIndex = 0;
                // 
                // button1
                // 
                this->button1->Location = 
                System::Drawing::Point(30, 64);
                this->button1->Name = L"button1";
                this->button1->Size = 
                System::Drawing::Size(100, 25);
                this->button1->TabIndex = 1;
                this->button1->Text = L"button1";
                this->button1->UseVisualStyleBackColor
                = true;
                this->button1->Click += gcnew 
                System::EventHandler(this,
                &Form1::button1_Click);
                // 
                // textBox2
                // 
                this->textBox2->Location =
                System::Drawing::Point(30, 108);
                this->textBox2->Name = L"textBox2";
                this->textBox2->Size = 
                System::Drawing::Size(100, 20);
                this->textBox2->TabIndex = 2;
                this->textBox2->Text = 
                this->textBox1->Text;
                // 
                // button2
                // 
                this->button2->Location = 
                System::Drawing::Point(30, 146);
                this->button2->Name = L"button2";
                this->button2->Size = 
                System::Drawing::Size(100, 23);
                this->button2->TabIndex = 3;
                this->button2->Text = L"Close";
                this->button2->UseVisualStyleBackColor
                = true;
                this->button2->Click += gcnew 
                System::EventHandler(this,
                &Form1::button2_Click);
                // 
                // label1
                // 
                this->label1->AutoSize = true;
                this->label1->Location = 
                System::Drawing::Point(30, 13);
                this->label1->Name = L"label1";
                this->label1->Size = 
                System::Drawing::Size(86, 13);
                this->label1->TabIndex = 4;
                this->label1->Text = L"Type in 
                textBox1";
                // 
                // Form1
                // 
                this->AutoScaleDimensions = 
                System::Drawing::SizeF(6, 13);
                this->AutoScaleMode = 
            System::Windows::Forms::AutoScaleMode::Font;
                this->ClientSize = 
                System::Drawing::Size(166, 194);
                this->Controls->Add(this->label1);
                this->Controls->Add(this->button2);
                this->Controls->Add(this->textBox2);
                this->Controls->Add(this->button1);
                 this->Controls->Add(this->textBox1);
                this->Name = L"Form1";
                this->Text = L"Form1";
                this->Load += gcnew 
                System::EventHandler(this,
                &Form1::Form1_Load);
                this->ResumeLayout(false);
                this->PerformLayout();
            }
        #pragma endregion
                  private: System::Void 
                  Form1_Load(System::Object^  sender,
                  System::EventArgs^  e) 
                  {  
   // This is not the way I want to write to the array 
   // of structs for a 1000 pages of text 
page[0] = gcnew Book; // all this is to test some ideas
page[1] = gcnew Book; // later will write to just one  
   // struct not 4
page[2] = gcnew Book; // then save it to file and log 
   // location in index array
page[3] = gcnew Book; // then retrive from text file  
   // with direct random access
                  }                          
              private: System::Void 
                  button1_Click(System::Object^ 
                  sender, System::EventArgs^  e) 
                  {
this->page[3]->tx = this->textBox1->Text; // copy 
  // textBox1 to struct[3] this works good
  // this->textBox2->Text = this->textBox1->Text;  
  // copy box1 to box2, this works good use to help 
  // test 
this->textBox1->Text = " "; // clear textBox1 this 
  // works good
this->textBox2->Text = this->page[3]->tx; // From 
  // struct to textBox2 ok it is working good
                 }
                 private: System::Void 
                 button2_Click(System::Object^  sender, 
                 System::EventArgs^  e) 
                 {
  // Close();//or you could say
Application::Exit();
                 }
         };
}