public void Show()
{
var ret = Application.InputBox(Prompt,
"範囲選択",
Application.ActiveCell.get_Address(Microsoft.Office.Interop.Excel.XlReferenceStyle.xlA1),
Type.Missing, Type.Missing, Type.Missing, Type.Missing, 8);
IsCanceled = ret is bool;
if (IsCanceled)
{
// ユーザがキャンセルボタンを選択した
return;
}
Debug.Assert(ret is Microsoft.Office.Interop.Excel.Range);
Data = ret;
}