ImageFile object
Holds images transferred to your computer when you call Transfer or ShowTransfer. The ImageFile object is a container. It also supports image files through LoadFile. An ImageFile object can be created using "WIA.ImageFile" as the ProgID in a call to CreateObject.
Members
The ImageFile object has these types of members:
Methods
The ImageFile object has these methods.
| Method | Description |
|---|---|
| LoadFile | Loads the ImageFile object with the specified file. |
| SaveFile | Saves the ImageFile object to the specified file. |
Properties
The ImageFile object has these properties.
| Property | Access type | Description |
|---|---|---|
| ActiveFrame |
Read/write |
Sets or retrieves the current frame in the image. |
| ARGBData |
Read-only |
Retrieves the raw image bits as a Vector of Long values. |
| FileData |
Read-only |
Retrieves the raw image file as a Vector of bytes. |
| FileExtension |
Read-only |
Retrieves the file extension for this image file type. |
| FormatID |
Read-only |
Retrieves the FormatID for this file type. |
| FrameCount |
Read-only |
Retrieves the number of frames in the image. |
| Height |
Read-only |
Retrieves the height of the image in pixels. |
| HorizontalResolution |
Read-only |
Retrieves the horizontal pixels per inch of the image. |
| IsAlphaPixelFormat |
Read-only |
Specifies whether the pixel format has an alpha component. |
| IsAnimated |
Read-only |
Specifies whether the image is animated. |
| IsExtendedPixelFormat |
Read-only |
Specifies whether the pixel format is extended (16 bits per channel). |
| IsIndexedPixelFormat |
Read-only |
Specifies whether the pixel data is an index into a palette or the actual color data. |
| PixelDepth |
Read-only |
Retrieves the depth of the pixels of the image in BPP. |
| Properties (ImageFile) |
Read-only |
Retrieves an ImageFile collection of all properties for this image. |
| VerticalResolution |
Read-only |
Retrieves the vertical pixels per inch of the image. |
| Width |
Read-only |
Retrieves the width of the image in pixels. |
Remarks
Note that while the ImageFile object is intended for use with image files, non-image files support FileExtension, FileData and SaveFile.
For example code, see Display Detailed Image Information in Shared Samples.
Creation\Access Functions
Use any of the following to retrieve a reference to the object:
Requirements
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 R2 [desktop apps only] |
| Header |
|
| IDL |
|
See also
-
Reference