IsBlankImage Method
Description
Detects whether an image is blank.
| ActiveX Edition | Plug-in Edition | Mac Edition |
|---|---|---|
| Since V5.2 | Since V5.2 | Since V6.4 |
Syntax
Boolean ObjectName. IsBlankImage(Short sImageIndex)
Parameters
Short sImageIndex: specifies the index of image in buffer. The index is 0-based.
Return value
Boolean.
TRUE indicates that the image is blank. FALSE indicates that the image is not blank.
When an error occurs and IfThrowException property is TRUE, an exception will be thrown.
When FALSE is returned or an exception is thrown, check ErrorCode property and ErrorString property for error information.
Remarks
If you would like to check whether a certain area on a selected image is blank, you can use the IsBlankImageEx method.
See Also
BlankImageThreshold, BlankImageMaxStdDev, BlankImageCurrentStdDev properties and IsBlankImageEx method
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