GrapeCity.CalcEngine.IEvaluationContext

IEvaluationContext Interface

An interface which the evaluation-enabled class must derived from.

public interface IEvaluationContext

Public Interface IEvaluationContext

Name	Description
ArrayColumnCount	Gets the total number of columns inside a formula array.
ArrayColumnOffset	Gets the column offset of the cell inside a formula array.
ArrayRowCount	Gets the total number of rows inside a formula array.
ArrayRowOffset	Gets the row offset of the cell inside a formula array.
CachingEnabled	Gets a value indicating whether calculation caching is enabled.
ContextColumn	Gets the column index of the cell whose formula is being evaluated.
ContextRow	Gets the row index of the cell whose formula is being evaluated.
Date1904	Gets whether the date system used to convert a date to a serial value starts since 1/1/1904.
Error	Gets or sets the calculation error.
ExcelDateTimeCompatible	Processing date time is compatible with Lotus123. It assumes that 1900 is not a leap year.
LanguagePackage	Gets the current language package for calculation.
ReferenceSource	Gets the reference source where the formula is being evaluated.

Name	Description
AllocValue()	Allocates a new IValue object.
AllocValue(int)	Allocates multiple IValue objects.
CastToInt(double)	Casts the specified double value to int value.
CastToLong(double)	Casts the specified double value to long value.
DeallocValue()	Deallocates the last created IValue object.
DeallocValue(int)	Deallocates the last created IValue objects.
EnterContext(IReferenceSource, int, int)	Enters the specified evaluating context.
Evaluate(Expression, IValue)	Evaluates the specified expression and returns the evaluated result via `result` parameter.
Evaluate(IDelegate, IValue)	Evaluates the specified expression and returns the evaluated result via `result` parameter.
ExitContext()	Exits from the current evaluating context back to the previous evaluating context.
GetRangeCache(IReferenceSource, int, int, int, int)	Gets the range cache.
GetValue(int)	Get the IValue object at the specified index.