Question

on my filter, I remove invalid characters in my textBox, but after that I removed invalid characters, the “|” is positioned into first position,how can I to set to last position?

For example:

current position:

123 | a <- invalid character, my function in the _TextChanged event remove it and the position go to:

| 123

I want:

123 |

I hope this is clear.. Thanks in advance.

Answer 1

Set the TextBox.SelectionStart property to the end of the string, and the TextBox.SelectionLength property to 0.

Something like this:

int textLength = yourTextBox.Text.Length;
yourTextBox.SelectionStart = textLength;
yourTextBox.SelectionLength = 0;