How to: Rotate Images with the .NET Framework
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For the latest documentation on Visual Studio 2017, see How to: Rotate Images with the .NET Framework on docs.microsoft.com.
The following code example demonstrates the use of the System.Drawing.Image class to load an image from disk, rotate it 90 degrees, and save it as a new .jpg file.
Note
GDI+ is included with Windows XP and is available as a redistributable for Windows NT 4.0 SP 6, Windows 2000, Windows 98, and Windows Millennium Edition. To download the latest redistributable, see https://go.microsoft.com/fwlink/?linkid=11232.
Example
#using <system.drawing.dll>
using namespace System;
using namespace System::Drawing;
int main()
{
Image^ image = Image::FromFile("SampleImage.jpg");
image->RotateFlip( RotateFlipType::Rotate90FlipNone );
image->Save("SampleImage_rotated.jpg");
return 0;
}