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PasswordChar プロパティ

入力される文字をマスクするために使用される文字を取得または設定します。
シンタックス
'宣言
 
Public Overridable Property PasswordChar As Char
public virtual char PasswordChar {get; set;}
解説

コントロールの Multiline プロパティがTrueのとき、PasswordCharプロパティは適用できません。

使用例
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinEditors

    Private Sub SetupPasswordEditor()

        '	Set the MaxLength property to 10 to limit the
        '	number of characters that can be typed
        Me.UltraTextEditor1.MaxLength = 10

        '	Set the PasswordChar to the asterisk ("*"), so the actual
        '	characters that are typed cannot be seen on the screen.
        Me.UltraTextEditor1.PasswordChar = "*"

    End Sub
using System.Diagnostics;
using Infragistics.Win;
using Infragistics.Win.UltraWinEditors;

		private void SetupPasswordEditor()
		{
			//	Set the MaxLength property to 10 to limit the
			//	number of characters that can be typed
			this.ultraTextEditor1.MaxLength = 10;

			//	Set the PasswordChar to the asterisk ("*"), so the actual
			//	characters that are typed cannot be seen on the screen.
			this.ultraTextEditor1.PasswordChar = '*';

		}
参照