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Stored procedures
..NumberPage is used to find out:
  • the number of pages found in a "multi-page" image file. This image is displayed in an Image control or in the background of a Chart control.
  • the number of pages found in a PDF file displayed in an Image control.
Reminder: Some image formats (TIFF for example) can contain several images in the same file. Each image corresponds to a file page. These formats are called "multi-page" formats.
Example
// Modify the image file associated with the "IMG_MyImage" control
IMG_MyImage..Image = "MultipageFile.TIF"
// Successively display the different pages found in the image file
FOR i = 1 TO IMG_MyImage..NumberPage
IMG_MyImage..PageNumber = i
// Time-out for loading images
Multitask(-100)
END
Syntax
<Number of Pages> = <Control Name>..NumberPage
<Number of Pages>: Integer
  • Number of pages found in the file associated with the specified control.
  • 1 if the format of image file is not "multi-page" or if the "multi-page" format contains a single page.
  • 0 if the specified control is not associated with an image format supported by WINDEV.
<Control Name>: Character string (with or without quotes)
Name of control to use:
  • Name of Image control,
  • Name of Chart control,
Remarks

Modifying the displayed page

To modify the displayed page:

Limit

..NumberPage only applies to:
  • the Image controls and the Chart controls found in the windows,
Related Examples:
The Image control (display a PDF or a TIFF) Unit examples (WINDEV): The Image control (display a PDF or a TIFF)
[ + ] Displaying a PDF or TIFF document in the Image control found in a window.
See also
Minimum version required
  • Version 9
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