Gets or sets the rectangle that contains the search area for the barcodes.
A Leadtools.Services.DataContracts.LeadRect structure that contains the search area for the barcodes.
To search the entire image set this property to Leadtools.Services.DataContracts.LeadRect with zero values. If the LeadRect values are zeros and the image does not have a region, the entire image will be searched. If the LeadRect values are zeros and the image does have a region, only the region will be searched.
For an example, Refer to ReadRequest.