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  • Image found in a Web Camera control
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Stored procedures
Saves an image:
  • in a file in BMP format.
  • in memory.
This image corresponds to the image found:
  • in an Image control.
  • Versions 17 and later
    Reports and QueriesWindows in an Image variable.
    New in version 17
    Reports and QueriesWindows in an Image variable.
    Reports and QueriesWindows in an Image variable.
    in an Image variable.
  • in a Bar Code control.
  • in a Web Camera control.
Notes:
  • Only the visible part of the Image control is saved.
  • This function enables you to save images for screen resolutions up to 32 bits.
  • This function cannot be used with the Image controls found in the reports.
// Saves in memory the image found in "IMG_ImageDrawing"
ResSave = dSaveImageBMP(IMG_ImageDrawing, inMemory)
Reports and QueriesWindows
// Saves the image found in "IMG_ImageDrawing" in "C:\Documents\Image.BMP"
ResSave = dSaveImageBMP(IMG_ImageDrawing,  "C:\Documents\Image.BMP")
Syntax
Reports and Queries

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

<Result> = dSaveImageBMP(<Image name> , <File name> [, <Number of colors>])
<Result>: Boolean
  • True if the image was saved,
  • False otherwise. To find out the error details, use ErrorInfo associated with the errMessage constant.
<Image name>: Character string (with or without quotes) or Image variable
  • Name of Image control, Bar Code control or Web Camera control to use. The Image controls found in a report cannot be used.
  • Versions 17 and later
    Reports and Queries Name of the Image variable to use.
    New in version 17
    Reports and Queries Name of the Image variable to use.
    Reports and Queries Name of the Image variable to use.
    Name of the Image variable to use.
<File name>: Character string
Name and full (or relative) path of BMP file to create. 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 BMP 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:
  • 0 (by default): number of colors defined in the screen resolution
  • 16: 16 colors
This parameter corresponds to the number of colors proposed in the color palette when using the BMP file.

Saving an image in memory Hide the details

<Result> = dSaveImageBMP(<Image name> , <inMemory> [, <Number of colors>])
<Result>: Buffer
Byte string containing the image in BMP format. Then this byte string can be assigned to an Image control, saved in a file (fSaveText), sent via a network (with the Socket functions), ...
<Image name>: Character string (with or without quotes) or Image variable
  • Name of Image control, Bar Code control or Web Camera control to use. The Image controls found in a report cannot be used.
  • Versions 17 and later
    Reports and Queries Name of the Image variable to use.
    New in version 17
    Reports and Queries Name of the Image variable to use.
    Reports and Queries Name of the Image variable to use.
    Name of the Image variable to use.
<inMemory>: Constant
inMemory: Constant used to save an image in memory.
<Number of colors>: Optional integer
Number of colors for the image saved:
  • 0 (by default): number of colors defined in the screen resolution.
  • 16: 16 colors.
This parameter corresponds to the number of colors proposed in the color palette when using the BMP file.
Remarks

Image found in a Web Camera control

Only the image displayed when dSaveImageBMP is run will be saved. To save this image, you can also use:
  • VideoCapture: the image will be saved in BMP format
  • dSaveImageGIF: the image will be saved in GIF format or in memory
  • dSaveImageJPEG: the image will be saved in JPEG format or in memory
  • the function dSaveImagePNG: the image will be saved in PNG format or in memory
Component : wd240pnt.dll
Minimum version required
  • Version 9
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