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The following code example demonstrates the System.Drawing.Image class and the System.Drawing.Imaging.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;
}