Write a Windows application that randomly generates a number from 0 through 100.

Question

Write a Windows application that randomly generates a number from 0 through 100. Prompt the user to guess the number. Let the user know if the guess is too low, too high, or is the correct number. Give the user another chance to guess the number. The user keeps guessing until he or she gets it correct.

Psuedocode that will perform this logic is:

Form constructor method
Randomly pick a target number between 0 and 100

Evaluate Button Click Event Handler Method
If the guess text box is not blank
Pull the guess from the text box
Add 1 to the number of guesses

If the guess is less than the target
Make the Evaluate button invisible
Change the label message to "Too Low!!"
Make the label message visible
Change the background color of the form to LightSeaGreen
Make the Try Again button visible
Else if the guess is greater than the target
Make the Evaluate button invisible
Change the label message to "Too High!!"
Make the label message visible
Change the background color of the form to SlateBlue
Make the Try Again button visible
Else
Display a message indicating the user guessed correctly and display
the number of guesses it took.
End-If
End-If

Try Again Button Click Event handler
Clear the guess text box
Make the label message and Try Again buttons invisible
Make the Evaluate button visible

Explanation / Answer

#pragma once namespace ilab06b { 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 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. /// public ref class Form1 : public System::Windows::Forms::Form { public: Form1(void) { InitializeComponent(); Random number = gcnew Random(); // This is declaring number; our randomizer int rn; // This is declaring rn; our randomized number int gn; // This is declaring gn; our guessed number rn = number.Next(1,10); // //TODO: Add the constructor code here // } protected: /// /// Clean up any resources being used. /// ~Form1() { if (components) { delete components; } } private: System::Windows::Forms::Button^ button1; protected: private: System::Windows::Forms::Label^ label1; private: System::Windows::Forms::TextBox^ textBox1; private: System::Windows::Forms::Label^ label2; private: System::Windows::Forms::Label^ label3; private: /// /// Required designer variable. /// System::ComponentModel::Container ^components; #pragma region Windows Form Designer generated code /// /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// void InitializeComponent(void) { this->button1 = (gcnew System::Windows::Forms::Button()); this->label1 = (gcnew System::Windows::Forms::Label()); this->textBox1 = (gcnew System::Windows::Forms::TextBox()); this->label2 = (gcnew System::Windows::Forms::Label()); this->label3 = (gcnew System::Windows::Forms::Label()); this->SuspendLayout(); // // button1 // this->button1->Location = System::Drawing::Point(66, 170); this->button1->Name = L"button1"; this->button1->Size = System::Drawing::Size(181, 35); this->button1->TabIndex = 0; this->button1->Text = L"Press to EVALUATE your guess"; this->button1->UseVisualStyleBackColor = true; // // label1 // this->label1->AutoSize = true; this->label1->Location = System::Drawing::Point(63, 59); this->label1->Name = L"label1"; this->label1->Size = System::Drawing::Size(134, 13); this->label1->TabIndex = 1; this->label1->Text = L"Enter a guess from 0 - 100:"; // // textBox1 // this->textBox1->Location = System::Drawing::Point(203, 56); this->textBox1->Name = L"textBox1"; this->textBox1->Size = System::Drawing::Size(44, 20); this->textBox1->TabIndex = 2; // // label2 // this->label2->AutoSize = true; this->label2->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 15.75F, System::Drawing::FontStyle::Italic, System::Drawing::GraphicsUnit::Point, static_cast(0))); this->label2->Location = System::Drawing::Point(91, 112); this->label2->Name = L"label2"; this->label2->Size = System::Drawing::Size(106, 25); this->label2->TabIndex = 3; this->label2->Text = L"Too Low!!"; this->label2->Visible = false; // // label3 // this->label3->AutoSize = true; this->label3->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 15.75F, System::Drawing::FontStyle::Italic, System::Drawing::GraphicsUnit::Point, static_cast(0))); this->label3->Location = System::Drawing::Point(91, 112); this->label3->Name = L"label3"; this->label3->Size = System::Drawing::Size(111, 25); this->label3->TabIndex = 4; this->label3->Text = L"Too High!!"; this->label3->Visible = false; // // Form1 // this->AutoScaleDimensions = System::Drawing::SizeF(6, 13); this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font; this->BackColor = System::Drawing::SystemColors::ActiveCaption; this->ClientSize = System::Drawing::Size(292, 266); this->Controls->Add(this->label3); this->Controls->Add(this->label2); this->Controls->Add(this->textBox1); this->Controls->Add(this->label1); this->Controls->Add(this->button1); this->Name = L"Form1"; this->Text = L"Guessing Game"; this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load); this->ResumeLayout(false); this->PerformLayout(); } private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) { } }; }

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