Thank you for writing.
I was able to reproduce this behavior. It is occurs when the selection of the text box is at the end of the control and the the form is expanded. This causes the control size to expand but the editing area remains the same. The same behavior can be observed with the standard Microsoft text box control.
However, in order to overcome this behavior, please subscribe to the SizeChanged
event of your form and when such appears, change the SelectionStart
property to 0
and then back to its previous value:
sender, EventArgs e)
save = radTextBox1.SelectionStart;
radTextBox1.SelectionStart = 0;
radTextBox1.SelectionStart = save;
Let me know whether this helps.
All the best,
the Telerik team
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