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InterpolationMode Enumeration

The InterpolationMode enumeration specifies the algorithm that is used when images are scaled or rotated.

Namespace:  System.Drawing.Drawing2D
Assembly:  System.Drawing (in System.Drawing.dll)
public enum InterpolationMode
Member name Description
Invalid Equivalent to the Invalid element of the QualityMode enumeration.
Default Specifies default mode.
Low Specifies low quality interpolation.
High Specifies high quality interpolation.
Bilinear Specifies bilinear interpolation. No prefiltering is done. This mode is not suitable for shrinking an image below 50 percent of its original size.
Bicubic Specifies bicubic interpolation. No prefiltering is done. This mode is not suitable for shrinking an image below 25 percent of its original size.
NearestNeighbor Specifies nearest-neighbor interpolation.
HighQualityBilinear Specifies high-quality, bilinear interpolation. Prefiltering is performed to ensure high-quality shrinking.
HighQualityBicubic Specifies high-quality, bicubic interpolation. Prefiltering is performed to ensure high-quality shrinking. This mode produces the highest quality transformed images.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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The modes could be listed in order of speed/quality, for those who wish to create fast draft-quality previews as well as the highest quality output.