FarPoint.Win.SpreadJ アセンブリ > FarPoint.Win.Spread 名前空間 > FpSpread クラス > IsExcelStream メソッド : IsExcelStream(Stream) メソッド |
string f; f = "D:\\pic.xls"; System.IO.FileStream s = new System.IO.FileStream(f, IO.FileMode.Open, IO.FileAccess.ReadWrite); bool b = fpSpread1.IsExcelStream(s); if (b == true) { fpSpread1.OpenExcel(s); }
Dim f As String f = "D:\pic.xls" Dim s As New System.IO.FileStream(f, IO.FileMode.Open, IO.FileAccess.ReadWrite) Dim b As Boolean = FpSpread1.IsExcelStream(s) If b = True Then FpSpread1.OpenExcel(s) End If