private void InputFormText_KeyDown(object sender, KeyEventArgs e)
{
//Ctrl + A
if (e.Control && e.KeyCode == Keys.A)
{
e.SuppressKeyPress = true; //beep disabled
InputFormText.SelectAll();
}
}
//改行タグを挿入
private void do_insert_br()
{
string buff = InputFormText.Text;
int cnt = buff.Length;
int st = InputFormText.SelectionStart;
int ed = InputFormText.SelectionLength;
string front_txt = buff.Substring(0, st);
string back_txt = buff.Substring(st + ed);
InputFormText.Text = front_txt + br_sp + back_txt;
InputFormText.Select(st + ed + br_sp.Length, 0);
}
