Sub AutoDetectCells( _
   ByVal zoneIndex As Integer _
) 

Visual Basic (Usage)	Copy Code
Dim instance As IOcrTableZoneManager Dim zoneIndex As Integer   instance.AutoDetectCells(zoneIndex)

void AutoDetectCells( 
   int zoneIndex
)

void AutoDetectCells( 
   int zoneIndex
) 

Parameters

zoneIndex

The 0-based index of the zone inside this page IOcrPage.Zones. This zone must exist in the list and its type must be a table (OcrZone.ZoneType must be OcrZoneType.Table) otherwise, this method will throw an exception.

When this method returns, the OcrZone.Cells member of given Leadtools.Forms.Ocr.OcrZone will contain an array of the detected cells and their properties.

You can use table cells in one of two ways:

• Perform auto-zoning on the page using IOcrPage.AutoZone, if the page contains a detected table, the a zone of type OcrZoneType.Table is created for this table. If the engine successfully detects the cells of the table, then it will fill the OcrZone.Cells with the properties of the detected cells.

• Manually add a new Leadtools.Forms.Ocr.OcrZone with its type set to OcrZoneType.Table to the zones collection of a page. Leave the value of OcrZone.Cells to null (Nothing in Visual Basic), now use the IOcrTableZoneManager.AutoDetectCells method to instruct the engine to detect any cells in this zone and fill the array with the data.

To manipulate a cell properties other than its bound (OcrZoneCell.Bounds), get the array of detected cells through OcrZone.Cells, change the cell background color, style or any border color, style or with. When you are done, re-set the array to OcrZone.Cells and call IOcrTableZoneManager.UpdateCells.

It is not recommended that you manually remove or add cells to the OcrZone.Cells, the engine is very sensitive to zone boundaries and any non-accurate information will cause an error. Instead, use the various methods of IOcrTableZoneManager to manipulate the cell location and size.

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

Reference