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Gets or sets the input method editor (IME) mode for the data validation rule.
This value describes the Japanese input rules applied to validated cells.
IMEModeType IMEMode { get; set; }
Property IMEMode As IMEModeType
IValidation validation = worksheet.Range["A1"].Validation;
validation.Add(ValidationType.Whole, ValidationAlertStyle.Stop, ValidationOperator.Between, 1, 10);
validation.IMEMode = IMEModeType.Hiragana;
IMEModeType imeMode = validation.IMEMode;