private void ShowNewForm(object sender, EventArgs e)
{
TextForm childForm = new TextForm();
childForm.MdiParent = this;
childForm.Text = "新建文档" + childFormNumber++;
childForm.Show();
//tfArr.Add(childForm);
}
private void OpenFile(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
openFileDialog.Filter = "文本文件(*.txt)|*.txt|Rtf文档(*.rtf)|*.rtf";
if (openFileDialog.ShowDialog(this) == DialogResult.OK)
{
string str;
string FileName = openFileDialog.FileName;
StreamReader sr = new StreamReader(FileName, Encoding.Default);
TextForm tf = new TextForm();
tf.MdiParent = this;
tf.Text = FileName;
tf.Show();
while ((str = sr.ReadLine()) != null)
{
tf.getRichTextBox().Text += str + '\n';
}
}
}
