Android.Text.Method.PasswordTransformationMethod.BeforeTextChanged Method
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.

Syntax

[Android.Runtime.Register("beforeTextChanged", "(Ljava/lang/CharSequence;III)V", "GetBeforeTextChanged_Ljava_lang_CharSequence_IIIHandler")]
public virtual void BeforeTextChanged (Java.Lang.ICharSequence s, int start, int count, int after)

Parameters

s
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start
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count
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after
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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.

[Android Documentation]

Requirements

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