Visual C++ .NET/2D/GDI

Hello GDI

<source lang="csharp">

 using namespace System;
 using namespace System::ComponentModel;
 using namespace System::Collections;
 using namespace System::Windows::Forms;
 using namespace System::Data;
 using namespace System::Drawing;
 public ref class Form1 : public System::Windows::Forms::Form
 {
 public:
   Form1(void)
   {
           this->SuspendLayout();
           this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
           this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
           this->ClientSize = System::Drawing::Size(292, 273);
           this->Name = L"Form1";
           this->Text = L"Hello GDI+";
           this->Paint += 
               gcnew System::Windows::Forms::PaintEventHandler(this, 
                                                        &Form1::Form1_Paint);
           this->ResumeLayout(false);
   }
       System::Void Form1_Paint(System::Object^ sender, 
                                System::Windows::Forms::PaintEventArgs^ e) 
       {
           Graphics ^g = e->Graphics;
           g->DrawString("Hello World!", 
               gcnew Drawing::Font("Arial", 16), Brushes::Black, 75.0, 110.0);
      }
 };

[STAThreadAttribute] int main(array<System::String ^> ^args) {

 Application::Run(gcnew Form1());
 return 0;

}

 </source>

Hello GDI OnPaint

<source lang="csharp">

 using namespace System;
 using namespace System::ComponentModel;
 using namespace System::Collections;
 using namespace System::Windows::Forms;
 using namespace System::Data;
 using namespace System::Drawing;
 public ref class Form1 : public System::Windows::Forms::Form
 {
 public:
   Form1(void)
   {
           this->Size = System::Drawing::Size(300,300);
           this->Text = L"Hello GDI+";
           this->Padding = System::Windows::Forms::Padding(0);
           this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
   }
       virtual void OnPaint(System::Windows::Forms::PaintEventArgs ^e) override
       {
           Form::OnPaint(e);
           Graphics ^g = e->Graphics;
           g->DrawString("Hello World!", 
               gcnew Drawing::Font("Arial", 16), Brushes::Black, 75.0, 110.0);
       }
 };

[STAThreadAttribute] int main(array<System::String ^> ^args) {

 Application::Run(gcnew Form1());
 return 0;

}

 </source>