Android.Widget.TextView.OnTextChanged Method
This method is called when the text is changed, in case any subclasses would like to know.

Syntax

[Android.Runtime.Register("onTextChanged", "(Ljava/lang/CharSequence;III)V", "GetOnTextChanged_Ljava_lang_CharSequence_IIIHandler")]
protected virtual void OnTextChanged (Java.Lang.ICharSequence text, int start, int before, int after)

Parameters

text
The text the TextView is displaying
start
The offset of the start of the range of the text that was modified
lengthBefore
The length of the former text that has been replaced
lengthAfter
The length of the replacement modified text

Remarks

This method is called when the text is changed, in case any subclasses would like to know. Within text, the lengthAfter characters beginning at start have just replaced old text that had length lengthBefore. It is an error to attempt to make changes to text from this callback.

[Android Documentation]

Requirements

Namespace: Android.Widget
Assembly: Mono.Android (in Mono.Android.dll)
Assembly Versions: 0.0.0.0
Since: Added in API level 1