private void Clear_Click(object sender, EventArgs e)
{
RechenschritteOutput.Clear();
RechenSchritte.Clear();
Input.Text = String.Empty;
Equation = String.Empty;
}
private void Rechenschritte_Click(object sender, EventArgs e)
{
var Count = RechenSchritte.Count;
var length = RechenschritteOutput.Text.Length;
for (int i = 0; i < Count; i++)
{
RechenSchritte[i] = Regex.Replace(RechenSchritte[i], "#", @"/-");
RechenSchritte[i] = Regex.Replace(RechenSchritte[i], "x", @"*-");
RechenschritteOutput.AppendText(RechenSchritte[i] + "\n");
var substring = RechenSchritte[i].Substring(0, RechenSchritte[i].IndexOf(')') + 1);
var firstindex = substring.LastIndexOf('(');
if (firstindex != -1)
{
var lastindex = substring.Substring(substring.LastIndexOf('(')).Length;
RechenschritteOutput.Select(firstindex + length, lastindex);
length += RechenSchritte[i].Length + 1;
var show = RechenschritteOutput.SelectedText;
RechenschritteOutput.SelectionColor = Color.Red;
}
}
}
