public void Dispose()
{
if (DocReader != null)
{
DocReader.Close();
DocReader.Dispose();
DocReader = null;
}
}
public static void Open(string fileName)
{
if (string.IsNullOrEmpty(fileName) || !File.Exists(fileName))
{
CustomMessageBox.Show("您要打开的文件不存在，请确认操作！");
return;
}
Close();
Application.Current.MainWindow.WindowState = WindowState.Minimized;
string fileType = Path.GetExtension(fileName).ToLower();
switch (fileType)
{
case ".doc":
case ".docx":
DocReader = new WordDocumentReader {
FileName = fileName
};
break;
case ".xls":
case ".xlsx":
DocReader = new ExcelDocumentReader {
FileName = fileName
};
break;
case ".pdf":
DocReader = new PdfDocumentReader {
FileName = fileName
};
break;
case ".dwg":
DocReader = new CadDocumentReader {
FileName = fileName
};
break;
default:
DocReader = new UnknownDocumentReader {
FileName = fileName
};
break;
}
DocReader.Open();
DocReader.Activate();
}