private void Find_Click(object sender, EventArgs e)
{
if (Researtch.Text != "")
{
NotepadText.SelectAll();
NotepadText.SelectionBackColor = NotepadText.BackColor;
int countText = 0;
string WordSeartch = Researtch.Text;
for (int i = 0; i < NotepadText.Text.Length - WordSeartch.Length; i++)
{
if (string.Compare(WordSeartch, NotepadText.Text.Substring(i, WordSeartch.Length), true) == 0)
{
countText++;
NotepadText.SelectionStart = i;
NotepadText.SelectionLength = WordSeartch.Length;
if (NotepadText.BackColor == Color.Gray)
{
NotepadText.SelectionBackColor = Color.Wheat;
}
else
{
NotepadText.SelectionBackColor = Color.Gray;
}
}
}
Resulat.Text = " " + countText.ToString();
}
}
private void NotepadText_DoubleClick(object sender, EventArgs e)
{
NotepadText.SelectAll();
NotepadText.SelectionBackColor = NotepadText.BackColor;
Resulat.Text = "";
Researtch.Text = "";
}
private void Selectall_Click(object sender, EventArgs e)
{
NotepadText.SelectAll();
}