GdipSaveImageToFile，GdipSaveImageToStream，GdipSaveAdd和GdipSaveAddImage函数接收一个EncoderParameters结构，其中包含一个EncoderParameter对象数组。 每个EncoderParameter对象都具有指定参数类别的全局唯一标识符（GUID）数据成员。 以下常量表示指定各种参数类别的GUID。

 

FreeBASIC 语法

 

EncoderCompression      = "{E09D739D-CCD4-44EE-8EBA-3FBF8BE4FC58}"

EncoderColorDepth       = "{66087055-AD66-4C7C-9A18-38A2310B8337}"

EncoderScanMethod       = "{3A4E2661-3109-4E56-8536-42C156E7DCFA}"

EncoderVersion          = "{24D18C76-814A-41A4-BF53-1C219CCCF797}"

EncoderRenderMethod     = "{6D42C53A-229A-4825-8BB7-5C99E2B9A8B8}"

EncoderQuality          = "{1D5BE4B5-FA4A-452D-9CDD-5DB35105E7EB}"

EncoderTransformation   = "{8D0EB2D1-A58E-4EA8-AA14-108074B7B6F9}"

EncoderLuminanceTable   = "{EDB33BCE-0266-4A77-B904-27216099E717}"

EncoderChrominanceTable = "{F2E455DC-09B3-4316-8260-676ADA32481C}"

EncoderSaveFlag         = "{292266FC-AC40-47BF-8CFC-A85B89A655DE}"

 

EncoderChrominanceTable

 

F2E455DC-09B3-4316-8260-676ADA32481C

 

EncoderColorDepth

 

66087055-AD66-4C7C-9A18-38A2310B8337

 

EncoderColorSpace

 

 

EncoderCompression

 

E09D739D-CCD4-44EE-8EBA-3FBF8BE4FC58

 

EncoderLuminanceTable

 

EDB33BCE-0266-4A77-B904-27216099E717

 

EncoderQuality

 

1D5BE4B5-FA4A-452D-9CDD-5DB35105E7EB

 

EncoderRenderMethod

 

6D42C53A-229A-4825-8BB7-5C99E2B9A8B8

 

EncoderSaveFlag

 

292266FC-AC40-47BF-8CFC-A85B89A655DE

 

EncoderScanMethod

 

3A4E2661-3109-4E56-8536-42C156E7DCFA

 

EncoderTransformation

 

8D0EB2D1-A58E-4EA8-AA14-108074B7B6F9

 

EncoderVersion

 

24D18C76-814A-41A4-BF53-1C219CCCF797

 

EncoderImageItems

 

EncoderSaveAsCMYK