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This method is implemented on the client-side. It is called by ABBYY FineReader Engine before the start of the table analysis process which has been invoked from Image Viewer by calling the MI_AnalyzeTableStructure command. For the ways how this command can be called see the Image Viewer Commands list. The method delivers to the client the index of the table block whose structure is going to be analyzed. With the help of this method it is possible to cancel the operation.

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Syntax

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C++

HRESULT OnAnalyzeTable(
  int           BlockIndex,
  VARIANT_BOOL* Cancel
);

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C#

void OnAnalyzeTable(
  int      BlockIndex,
  out bool Cancel
);

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Visual Basic .NET

Sub OnAnalyzeTable( _
  BlockIndex As Integer, _
  ByRef Cancel As Boolean _
)

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Parameters

BlockIndex [in] Contains the index of the table block which is going to be analyzed. The index is in the ILayout::VisualBlocks collection. Cancel [out] You may set this variable to TRUE to indicate that the process should be terminated. In this case, the table structure will not be analyzed.

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Return values

[C++ only] If this method returns a value other than S_OK, it indicates that an error occurred on the client-side, and in this case the value of the Cancel parameter is not taken into account.

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Remarks

The client implementation of this method must assure that all exceptions thrown inside the method are caught and handled and no exceptions are propagated outside the method. Propagation of an exception outside the method may lead to unpredictable results (such as program termination).

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See also

IImageViewerEvents OnAnalyzePage OnAnalyzeRegion