private void menuItemOpen_Click(object sender, System.EventArgs e)
{
OpenFileDialog openFile = new OpenFileDialog();
openFile.InitialDirectory = Application.ExecutablePath;
openFile.Filter = "rtf files (*.rtf)|*.rtf|txt files (*.txt)|*.txt|All files (*.*)|*.*";
openFile.FilterIndex = 1;
openFile.RestoreDirectory = true;
if (openFile.ShowDialog() == DialogResult.OK)
{
string fullName = openFile.FileName;
string fileName = Path.GetFileName(fullName);
if (FindDocument(fileName) != null)
{
MessageBox.Show("该文档: " + fileName + " 已经打开");
return;
}
DesignWorkbench dummyDoc = new DesignWorkbench(fileName);
dummyDoc.Text = fileName;
if (dockPanel.DocumentStyle == DocumentStyle.SystemMdi)
{
dummyDoc.MdiParent = this;
dummyDoc.Show();
}
else
{
dummyDoc.Show(dockPanel);
}
try
{
dummyDoc.FileName = fullName;
}
catch (Exception exception)
{
dummyDoc.Close();
MessageBox.Show(exception.Message);
}
}
}
