how can i start it in c++

// Create bitmap and graphics instances.
Aurigma::GraphicsMill::Bitmap __gc *pBitmap = __gc new Aurigma::GraphicsMill::Bitmap(
	Aurigma::GraphicsMill::RgbColor::Yellow, 300, 300, Aurigma::GraphicsMill::PixelFormat::Format24bppRgb);
Aurigma::GraphicsMill::Drawing::GdiGraphics __gc *pGraphics = pBitmap->GetGdiGraphics();

// Create objects which are used during text output.
Aurigma::GraphicsMill::Drawing::Font __gc *pFont = __gc new Aurigma::GraphicsMill::Drawing::Font(S"Arial", 20);
Aurigma::GraphicsMill::Drawing::SolidBrush __gc *pBrush = __gc new Aurigma::GraphicsMill::Drawing::SolidBrush(
	Aurigma::GraphicsMill::RgbColor::Black);
try
{
	// Text output.
	pGraphics->DrawString(S"Aurigma Graphics Mill for .NET", pFont, pBrush, 10, 30);
}
__finally
{
	pGraphics->Dispose();
	pFont->Dispose();
}
// Save bitmap to file.
pBitmap->Save(S"c:/1.png");
pBitmap->Dispose();