I'm implementing a step-by-step alignment.
Getting current line in rtb1. and to show in rtb2.
i want
first line 111111111111111
second line 222222222222222
thrid line 3333333333333333
but
first line 1111111111111111 second line 22222222222222
thrid line 3333333333333333
fouth line 4444444444444444
i don't know my error... this.. some of my code.. line method get current line, so, richTextLineIndex is line's start Index.
private int GetTextPositionAndLength(int position, int lineIndex, out int length)
{
int richTextLineIndex = GetFirstCharIndexFromLine();
TextPointer textpointer = rtb1.CaretPosition.DocumentStart;
string line = Lines(count);
if (position == 0)
{
length = GetTextLength(0, lineIndex);
rtb2.AppendText(line);
return richTextLineIndex;
}
rtb2.AppendText(line);
return index + richTextLineIndex;
}
private string Lines(int LineIndex, string Default = "null")
{
TextPointer start= rtb1.CaretPosition.DocumentStart.GetPositionAtOffset(startPoint);
TextPointer end = rtb1.CaretPosition;
var range = new TextRange(start, end);
line = range.Text;
startPoint += line.Length;
return line;
}
你有没有尝试过
rtb2.AppendText(line+"\r");
rtb2.Text = rtb2.Text + Environment.NewLine + line;
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