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  • Image found in a Web Camera control
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Stored procedures
Saves an image:
  • in a file in GIF format.
  • in memory.
This image corresponds to the image contained in a Image control.
Remarks:
  • Only the visible part of the Image control is saved.
  • This function can only be used to save the images for screen resolutions up to 32 bits.
  • This function cannot be used with the Image controls found in the reports.
Example
// Sauve en mémoire l'image présente dans "IMG_ImageDessin"
ResSauvegarde = IMG_ImageDessin.SauveGIF(enMémoire)
Reports and Queries
// Sauve l'image présente dans "IMG_ImageDessin" sur "C:\Documents\Image.GIF"
ResSauvegarde = IMG_ImageDessin.SauveGIF("C:\Documents\Image.GIF")
Syntax
Reports and Queries

Saving an image in a file in GIF format Hide the details

<Result> = <Image control>.SaveGIF(<File name> [, <Number of colors>])
<Result>: Boolean
  • True if the image was saved,
  • False otherwise. To get the details of the error, use ErrorInfo with the errMessage constant.
<Image control>: Control name
Name of the control to be used:
  • Name of Image control, Bar Code control or Web Camera control to use. The Image controls found in a report cannot be used.
<File name>: Character string
Name and full (or relative) path of GIF file. A UNC path can be used. The file extension is optional.
Caution:
  • The destination directory must exist in order for the image to be saved.
  • The existence of the GIF file is not checked. This file is automatically overwritten if it already exists.
<Number of colors>: Optional integer
Number of colors for the image saved. Value included between 16 and 256 (256 by default). This parameter corresponds to the number of colors proposed in the color palette when using the GIF file.

Saving an image in memory Hide the details

<Result> = <Image control>.SaveGIF(<inMemory> [, <Number of colors>])
<Result>: Buffer
Byte string containing the image in GIF format.
This string of bytes can then be assigned to an Image control, saved in a file (fSaveText function), sent through a network (thanks to Socket functions), ...
<Image control>: Control name
Name of Image control to use:
  • Name of Image control, Bar Code control or Web Camera control to use. The Image controls found in a report cannot be used.
<inMemory>: Constant
inMemory: Constant used to save an image in memory.
<Number of colors>: Optional integer
Number of colors for the image saved. Value included between 16 and 256 (256 by default). This parameter corresponds to the number of colors proposed in the color palette when using the GIF file.
Remarks

Image found in a Web Camera control

Only the Image displayed at the time the <Image>.SaveGIF function is executed is saved in GIF format. To save this image, you can also use:
  • the VideoCapture function: the image will be saved in BMP format.
  • the <Image>.SaveBMP function: the image will be saved in BMP format or in memory.
  • the <Image>.SaveJPEG function: the image will be saved in JPEG format or in memory.
  • the <Image>.SavePNG function: the image will be saved in PNG format or in memory.
Component: wd270pnt.dll
Minimum version required
  • Version 24
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