using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace TextBox_1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { textBox1.PasswordChar = '@'; //設(shè)置文本框的PasswordChar屬性為字符@ textBox2.UseSystemPasswordChar = true; //設(shè)置文本框的UseSystemPasswordChar屬性為True; } private void label1_Click(object sender, EventArgs e) { } } }
program.cs:
using System; using System.Collections.Generic; using System.Linq; using System.Windows.Forms; namespace TextBox_1 { static class Program { /// <summary> /// 應(yīng)用程序的主入口點(diǎn)。 /// </summary> [STAThread] static void Main() { //Enabled 獲取或設(shè)置一個(gè)值,該值指示控件能否夠?qū)τ脩艚换プ龀鲰憫?yīng) //ForeColor:獲取或設(shè)置控件的前景色 //Modifiers:指示TextBox控件的可見性級(jí)別 //Multiline://獲取或設(shè)置字符,該字符用于 //PasswordChar:獲取或設(shè)置字符 // :public char PasswordChar{get; set;} //ReadOnly:獲取或設(shè)置一個(gè)值,該值指示文本框中的文本是否為僅僅讀 // :public bool ReadOnly{get ; set; } // :TextBox.ReadOnly=true; 將文本設(shè)置為僅僅讀 //RightToLeft:獲取或設(shè)置一個(gè)值.該值指示是否將控件的元素對(duì)齊以支持使用從右向左的字體區(qū)域設(shè)置 //ScrollBars:獲取或設(shè)置哪些滾動(dòng)欄應(yīng)出如今多行TextBox控件中 //Text:獲取或設(shè)置TextBox控件的文本 //UseSystemPasswordChar:獲取或設(shè)置一個(gè)值,該值指示TextBox控件中的文本是否應(yīng)該以默認(rèn)的password字符顯示 // :public Bool UseSystemPasswordChar{get ;set ;} //Visible:獲取或設(shè)置一個(gè)值,該值指示是否顯示該控件及其全部父控件 Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new Form1()); } } }
Form設(shè)計(jì):
namespace TextBox_1 { partial class Form1 { /// <summary> /// 必需的設(shè)計(jì)器變量。 /// </summary> private System.ComponentModel.IContainer components = null; /// <summary> /// 清理全部正在使用的資源。 /// </summary> /// <param name="disposing">假設(shè)應(yīng)釋放托管資源,為 true。否則為 false。
</param> protected override void Dispose(bool disposing) { if (disposing && (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows 窗口設(shè)計(jì)器生成的代碼 /// <summary> /// 設(shè)計(jì)器支持所需的方法 - 不要 /// 使用代碼編輯器改動(dòng)此方法的內(nèi)容。 /// </summary> private void InitializeComponent() { this.textBox1 = new System.Windows.Forms.TextBox(); this.textBox2 = new System.Windows.Forms.TextBox(); this.label1 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // textBox1 // this.textBox1.Location = new System.Drawing.Point(155, 27); this.textBox1.Name = "textBox1"; this.textBox1.Size = new System.Drawing.Size(121, 21); this.textBox1.TabIndex = 0; // // textBox2 // this.textBox2.Location = new System.Drawing.Point(155, 77); this.textBox2.Name = "textBox2"; this.textBox2.Size = new System.Drawing.Size(121, 21); this.textBox2.TabIndex = 1; // // label1 // this.label1.AutoSize = true; this.label1.Location = new System.Drawing.Point(66, 30); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(83, 12); this.label1.TabIndex = 2; this.label1.Text = "PassWordChar:"; this.label1.Click += new System.EventHandler(this.label1_Click); // // label2 // this.label2.AutoSize = true; this.label2.Location = new System.Drawing.Point(12, 80); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(137, 12); this.label2.TabIndex = 3; this.label2.Text = "UseSystemPassWordChar:"; // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(318, 151); this.Controls.Add(this.label2); this.Controls.Add(this.label1); this.Controls.Add(this.textBox2); this.Controls.Add(this.textBox1); this.Name = "Form1"; this.Text = "登錄"; this.Load += new System.EventHandler(this.Form1_Load); this.ResumeLayout(false); this.PerformLayout(); } #endregion private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.TextBox textBox2; private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; } }

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