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bool m_AddBlank = false;
private void textBox1_TextChanged(object sender, EventArgs e)
{
if (m_AddBlank == true)
{
m_AddBlank = false;
return;
}
else
{
if (textBox1.Text.Length % 5 == 4)
{
m_AddBlank = true;
textBox1.Text += " ";
}
textBox1.SelectionStart = textBox1.Text.Length;
}
}
private void PaperView_TextChanged(object sender, EventArgs e)
{
if (PaperView.Text.Length % 5 == 0)
{
PaperView.Text += " ";
PaperView.SelectionStart = PaperView.Text.Length - 1;
}
}