How to: Convert Image File Formats with the .NET Framework
The following code example demonstrates the Image class and the ImageFormat enumeration used to convert and save image files. The following code loads an image from a .jpg file and then saves it in both .gif and .bmp file formats.
Note
GDI+ is included with Windows XP, Windows Server 2003, and Windows Vista and is available as a redistributable for Windows 2000. To download the latest redistributable, see https://go.microsoft.com/fwlink/?linkid=11232. For more information, see GDI+.
Example
#using <system.drawing.dll>
using namespace System;
using namespace System::Drawing;
using namespace System::Drawing::Imaging;
int main()
{
Image^ image = Image::FromFile("SampleImage.jpg");
image->Save("SampleImage.png", ImageFormat::Png);
image->Save("SampleImage.bmp", ImageFormat::Bmp);
return 0;
}