private void convert()
{
converter = ImageConverterFactory.CreateImageConverter(_extension);
converter.OnConvertFailed += converter_OnConvertFailed;
converter.OnConvertSucceed += converter_OnConvertSucceed;
converter.OnProgressChanged += converter_OnProgressChanged;
converter.ConvertToImage(_file_path, _save_path, _start_page, _end_page);
}
private void btn_filepath_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog fdlg = new OpenFileDialog();
fdlg.Title = "请选择需要转换的文件（PDF,Word或Excel）";
fdlg.InitialDirectory = @"c:\"; //@是取消转义字符的意思
fdlg.Filter = "文档文件|*.doc;*.docx;*.xls;*.xlsx;*.pdf";
/*
* FilterIndex 属性用于选择了何种文件类型,缺省设置为0,系统取Filter属性设置第一项
* ,相当于FilterIndex 属性设置为1.如果你编了3个文件类型，当FilterIndex ＝2时是指第2个.
*/
fdlg.FilterIndex = 0;
/*
*如果值为false，那么下一次选择文件的初始目录是上一次你选择的那个目录，
*不固定；如果值为true，每次打开这个对话框初始目录不随你的选择而改变，是固定的
*/
fdlg.RestoreDirectory = true;
if (fdlg.ShowDialog() == DialogResult.OK)
{
var extension = System.IO.Path.GetExtension(fdlg.FileName);
if (!ImageConverterFactory.Support(extension))
{
MessageBox.Show("转换器不支持该类型文件"); return;
}
_extension = extension;
_file_path = fdlg.FileName;
txt_filepath.Text = fdlg.FileName;
var arr = System.IO.Path.GetFileNameWithoutExtension(fdlg.FileName).Split('/').ToArray();
_file_name = arr[0];
_save_path = fdlg.FileName.Substring(0, fdlg.FileName.LastIndexOf(".")) + "\\";
txt_savepath.Text = _save_path;
}
}
catch (Exception ex)
{
MessageBox.Show("内部出错");
}
}