GdPictureImaging.IsBlank Method (Integer, Single)

Returns True if a GdPicture image or the area defined by SetROI() function is Blank.

public Boolean IsBlank(
    int ImageID, 
    Single Confidence
);

Visual Basic

Public Function IsBlank(
    ByVal ImageID As Integer, 
    ByVal Confidence As Single
) As Boolean

Parameters

Parameters	Description
ImageID	GdPicture Image Identifier.
Confidence	Maximum percentage of blank pixels. Usually 99. Most of the time, we consider that a page with more than 99% of Blank pixels is blank.

Returns

True if it is a blank image, else False.

Use the GetStat() function to check if this function has completed successfully.

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