得到行号
private int GetCurrentLine()
{
char[] text = textArea.Text.ToCharArray();
int cur = textArea.SelectionStart;
int line = 1;
for (int i=0; i<cur; i++)
{
if (text[i] == '\n')
{
cur++;
line++;
}
}
return line;
}
private int GetCurrentLine()
{
char[] text = textArea.Text.ToCharArray();
int cur = textArea.SelectionStart;
int line = 1;
for (int i=0; i<cur; i++)
{
if (text[i] == '\n')
{
cur++;
line++;
}
}
return line;
}
{
char[] text = textArea.Text.ToCharArray();
int cur = textArea.SelectionStart;
int line = 1;
for (int i=0; i<cur; i++)
{
if (text[i] == '\n')
{
cur++;
line++;
}
}
return line;
}
{
Point point = new Point();
point.X = e.X;
point.Y = e.Y;
int index = this.richTextBox1.GetCharIndexFromPosition(point);
int line= this.richTextBox1.GetLineFromCharIndex(index);
int indexOfline = 0;
for ( int count = 0; count < line; count ++ )
{
indexOfline += this.richTextBox1.Lines[count].Length ;
}
index = index - indexOfline;
MessageBox.Show(line.ToString() + "\n" + index.ToString());
}
private int GetCurrentCol()
{
char[] text = textArea.Text.ToCharArray();
int cur = textArea.SelectionStart;
int col=0;
for (int i=0; i<cur; i++)
{
if (text[i] == '\n')
{
col=0;
}
col++;
}
return col;
}