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Classes

~CExtFormulaFunction Destructor.
CanAcceptRangeParameters Returns true if the function can be invoked with cell references or cell range references in parameters; false otherwise.
CanBeIdentifier Returns true if the function can be used as an identifier.
CExtFormulaFunction Constructor.
Exec Executes a function and returns an error code.
GetFunctionCategory Returns the function category.
GetFunctionCategoryName Returns the name of the function category.
GetFunctionDescription Returns the short function description.
GetFunctionName Returns the function name.
GetParameterAbreviationFormat Returns the short parameter name or an empty string if the specified parameter index is invalid.
GetParameterCountMax Returns the maximal number of parameters which can be used in the function invocation or a negative value if the numebr of parameters is unlimited.
GetParameterCountMin Returns the minimum number of parameters which can be used in the function invocation. The returned value is greater than or equal to zero.
GetParameterCountStatic Returns the static number of parameters which should be used for function invocation. The method returns a negative value if the function allows a variable number of parameters.
GetParameterDescription Returns the short parameter description or an empty string if the specified parameter index is invalid.
IsParameterCountValid Returns true if the function can be invoked with the specified number of parameters or false otherwise.

Overridables

OnExec Invoked when the function should be executed during formula computation and returns the function execution error code.

See Also

CExtFormulaFunction Overview | Hierarchy Chart