private void button4_Click(object sender, EventArgs e)
{
FileName = textBox3.Text;
Dir = textBox2.Text;
if (FileName.EndsWith(".txt"))
{
instance = new TXT(FileName, Dir);
}
else if (FileName.EndsWith(".doc"))
{
instance = new DOC(FileName, Dir);
}
MessageBox.Show(instance.EditFile(textBox1.Text));
}
private void button3_Click(object sender, EventArgs e)
{
FileName = textBox3.Text;
Dir = textBox2.Text;
if (FileName.EndsWith(".txt"))
{
instance = new TXT(FileName, Dir);
}
else if (FileName.EndsWith(".doc"))
{
instance = new DOC(FileName, Dir);
}
textBox1.Text = instance.OpenFile();
}