ITextWatcher.BeforeTextChanged(ICharSequence, Int32, Int32, Int32) Method
Definition
Important
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This method is called to notify you that, within s,
the count characters beginning at start
are about to be replaced by new text with length after.
[Android.Runtime.Register("beforeTextChanged", "(Ljava/lang/CharSequence;III)V", "GetBeforeTextChanged_Ljava_lang_CharSequence_IIIHandler:Android.Text.ITextWatcherInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")]
public void BeforeTextChanged (Java.Lang.ICharSequence? s, int start, int count, int after);[<Android.Runtime.Register("beforeTextChanged", "(Ljava/lang/CharSequence;III)V", "GetBeforeTextChanged_Ljava_lang_CharSequence_IIIHandler:Android.Text.ITextWatcherInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")>]
abstract member BeforeTextChanged : Java.Lang.ICharSequence * int * int * int -> unitParameters
- start
- Int32
- count
- Int32
- after
- Int32
- Attributes
Remarks
This method is called to notify you that, within s, the count characters beginning at start are about to be replaced by new text with length after. It is an error to attempt to make changes to s from this callback.
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.