ImageIsValid
Type
operator
Summary
The validity of an image
Syntax
<mImage> is valid
Description
Whether or not the image is valid
Parameters
Name | Type | Description |
---|---|---|
mImage | An expression which evaluates to an image. |
Examples
// Create an image from empty data
variable tImage as Image
put image from data (the empty data) into tImage
// Before attempting to load the image it is assumed to be valid
variable tValid as Boolean
put tImage is valid into tValid
// tValid now contains True
// Get the width of the image, this will fail, returning 0 and marking the image as invalid
variable tWidth as Number
put the width of tImage into tWidth
// tWidth now contains 0
put tImage is valid into tValid
// tValid now contains False