Using a timer to generate a random number,develop a program that displays random
ID: 3800891 • Letter: U
Question
Using a timer to generate a random number,develop a program that displays random numbers between1 and 47. I started the program in windows form application can i get some help.
#pragma once
namespace week5g00121992 {
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::Timer^ timer1;
protected:
private: System::Windows::Forms::Label^ label1;
private: System::Windows::Forms::Label^ label2;
private: System::Windows::Forms::Button^ button1;
private: System::ComponentModel::IContainer^ components;
private:
/// <summary>
/// Required designer variable.
/// </summary>
#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->components = (gcnew System::ComponentModel::Container());
this->timer1 = (gcnew System::Windows::Forms::Timer(this->components));
this->label1 = (gcnew System::Windows::Forms::Label());
this->label2 = (gcnew System::Windows::Forms::Label());
this->button1 = (gcnew System::Windows::Forms::Button());
this->SuspendLayout();
//
// timer1
//
this->timer1->Enabled = true;
this->timer1->Tick += gcnew System::EventHandler(this, &Form1::timer1_Tick);
//
// label1
//
this->label1->AutoSize = true;
this->label1->Location = System::Drawing::Point(56, 67);
this->label1->Name = L"label1";
this->label1->Size = System::Drawing::Size(146, 13);
this->label1->TabIndex = 1;
this->label1->Text = L"Your Random lottery numbers";
this->label1->Click += gcnew System::EventHandler(this, &Form1::label1_Click);
//
// label2
//
this->label2->AutoSize = true;
this->label2->Location = System::Drawing::Point(111, 126);
this->label2->Name = L"label2";
this->label2->Size = System::Drawing::Size(0, 13);
this->label2->TabIndex = 2;
//
// button1
//
this->button1->Location = System::Drawing::Point(108, 191);
this->button1->Name = L"button1";
this->button1->Size = System::Drawing::Size(75, 23);
this->button1->TabIndex = 3;
this->button1->Text = L"Random";
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(284, 261);
this->Controls->Add(this->button1);
this->Controls->Add(this->label2);
this->Controls->Add(this->label1);
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 label1_Click(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void timer1_Tick(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
label1->Text ="";
}
};
}
Explanation / Answer
The below code can be used for Random Number Generation in C# using Forms.
CODE:
using System;
using System.Windows.Forms;
// To get this work include System.Windows.Forms.dll
namespace WindowsFormsApplication1
{
// Form1 class
public partial class Form1 : Form
{
// Constructor
public Form1()
{
InitializeComponent();
}
// create static Random class instance
static Random random = new Random();
// Generation of Random number is done here.
private void button1_Click(object sender, EventArgs e)
{
for (int i = 0; i < 5; i++)
{
MessageBox.Show(Convert.ToString(random.Next(1,47) ));
}
}
}
}
OUTPUT:
Its a Textbox and I cannot paste the output here.
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