Selected text in rich Textbox shown in message box.
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private int[] findFirstLastChar(int curIndex)
{
int[] outIndices = new int[3];
string curText = rchText.Text;
if (curText.Trim().Length < 1)
{
return outIndices;
}
int maxVal = 0;
int iniVal = curIndex;
bool completed = false;
int count0 = 0;
do
{
count0 = count0 + 1;
if (count0 == 1)
{
//Backwards
}
else
{
//Forwards
maxVal = curText.Length - 1;
}
completed = false;
int count1 = curIndex;
if (count1 == maxVal)
{
outIndices[count0] = count1;
}
else
{
do
{
if (count0 == 1)
{
count1 = count1 - 1;
if (count1 <= maxVal)
{
completed = true;
}
}
else
{
count1 = count1 + 1;
if (count1 >= maxVal)
{
completed = true;
}
}
if (count1 >= 0 && count1 <= curText.Length)
{
if (curText.Substring(count1, 1) == "," || completed)
{
outIndices[count0] = count1;
if ((count0 == 1 && !completed) || (count0 == 2 && completed))
{
outIndices[count0] = outIndices[count0] + 1;
}
break;
}
}
} while (!completed);
}
} while (count0 < 2);
return outIndices;
}
private void rchText_MouseHover(object sender, EventArgs e)
{
}
private void rchText_MouseClick(object sender, MouseEventArgs e)
{
int[] indices = findFirstLastChar(rchText.SelectionStart);
if (indices[1] <= indices[2])
{
rchText.SelectionStart = indices[1];
rchText.SelectionLength = indices[2] - indices[1];
MessageBox.Show(rchText.SelectedText);
}
}
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