次のサンプルコードは、Openメソッドを使用します。
string fileName;
fileName = "..\\..\\bin\\testsaveopen.xml";
System.IO.Stream stream;
stream = System.IO.File.Open(fileName, System.IO.FileMode.Open);
fpSpread1.Sheets[0].Open(stream);
Dim fileName As String
fileName = "..\bin\testsaveopen.xml"
Dim stream As System.IO.Stream
stream = System.IO.File.Open(fileName, System.IO.FileMode.Open)
fpSpread1.Sheets(0).Open(stream)