Introduction

1. Start a new Windows Forms Application named WeeklySales2
2. Design the form as follows:
    

   Control Name Text Other Properties Label   Monday   Label   Tuesday   Label   Wednesday   Label   Thursday   Label   Friday   TextBox txtMonday 12000 TextAlign: Right TextBox txtTuesday 11000 TextAlign: Right TextBox txtWednesday 8500 TextAlign: Right TextBox txtThursday 16800 TextAlign: Right TextBox txtFriday 17500 TextAlign: Right Button Generate btnGenerate

3. Right-click the form and click View Code
4. Declare two variables as follows:
    

   private: /// <summary> /// Required designer variable. /// </summary> System::ComponentModel::Container * components; Graphics ^ graphDrawingArea; Bitmap ^ bmpDrawingArea;

5. Return to the form and double-click an unoccupied area of its body
6. Implement the event as follows:
    

   System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) { bmpDrawingArea = gcnew Bitmap(Width, Height); graphDrawingArea = Graphics::FromImage(bmpDrawingArea); }

7. Return to the form and click an empty area on it. In the Properties window, click the Events button
8. Double-click the Paint field and implement its event as follows:
    

   System::Void Form1_Paint(System::Object^ sender, System::Windows::Forms::PaintEventArgs^ e) { e->Graphics->DrawImage(bmpDrawingArea, 0, 0); }

9. Return to the form and double-click the Generate button
10. Double-click the Generate button and implement its Click event as follows:
     

    System::Void btnGenerate_Click(System::Object ^ sender, System::EventArgs ^ e) { int monday = int::Parse(txtMonday->Text) / 100; int tuesday = int::Parse(txtTuesday->Text) / 100; int wednesday = int::Parse(txtWednesday->Text) / 100; int thursday = int::Parse(txtThursday->Text) / 100; int friday = int::Parse(txtFriday->Text) / 100; graphDrawingArea->Clear(this->BackColor); graphDrawingArea->FillRectangle(gcnew SolidBrush(Color::Red), this->txtMonday->Left+5, 280-monday, 40, monday); graphDrawingArea->DrawRectangle(gcnew Pen(Color::Black), this->txtMonday->Left+5, 280-monday, 40, monday); graphDrawingArea->FillRectangle(gcnew SolidBrush(Color::Blue), this->txtTuesday->Left+5, 280-tuesday, 40, tuesday); graphDrawingArea->DrawRectangle(gcnew Pen(Color::Black), this->txtTuesday->Left+5, 280-tuesday, 40, tuesday); graphDrawingArea->FillRectangle(gcnew SolidBrush(Color::Fuchsia), this->txtWednesday->Left+5, 280-wednesday, 40, wednesday); graphDrawingArea->DrawRectangle(gcnew Pen(Color::Black), this->txtWednesday->Left+5, 280-wednesday, 40, wednesday); graphDrawingArea->FillRectangle(new SolidBrush(Color::Brown), this->txtThursday->Left+5, 280-thursday, 40, thursday); graphDrawingArea->DrawRectangle(gcnew Pen(Color::Black), this->txtThursday->Left+5, 280-thursday, 40, thursday); graphDrawingArea->FillRectangle(gcnew SolidBrush(Color::Turquoise), this->txtFriday->Left+5, 280-friday, 40, friday); graphDrawingArea->DrawRectangle(gcnew Pen(Color::Black), this->txtFriday->Left+5, 280-friday, 40, friday); graphDrawingArea->DrawRectangle(gcnew Pen(Color::Black), 10, 280, Width - 30, 1); Invalidate(); }

11. Execute the application and test the form
     
     
12. After using it, close the form