FarPoint.CalcEngine アセンブリ > FarPoint.CalcEngine 名前空間 > CalcConvert クラス : ToBool メソッド |
'使用法 Dim value As Object Dim value As Boolean value = CalcConvert.ToBool(value)
例外 | 説明 |
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System.InvalidCastException | 値を変換できません。 |
public class TrueFunctionInfo : FunctionInfo { public override string Name { get { return "TRUEIT"; } } public override int MinArgs { get { return 1; } } public override int MaxArgs { get { return 1; } } public override object Evaluate (object[] args) { bool b = CalcConvert.ToBool(args[0]); return b; } }
Public Class TrueFunctionInfo Inherits FarPoint.CalcEngine.FunctionInfo Public Overrides ReadOnly Property Name() As String Get Return "TRUEIT" End Get End Property Public Overrides ReadOnly Property MinArgs() As Integer Get Return 1 End Get End Property Public Overrides ReadOnly Property MaxArgs() As Integer Get Return 1 End Get End Property Public Overrides Function Evaluate(ByVal args() As Object) As Object Dim b As Boolean = FarPoint.CalcEngine.CalcConvert.ToBool(args(0)) Return b End Function End Class