C#实现焦点变色
Form1.cs
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 FocusChangeColor
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void textBox1_Enter(object sender, EventArgs e)
{
((TextBox)sender).BackColor = Color.CornflowerBlue;
}
private void textBox1_Leave(object sender, EventArgs e)
{
((TextBox)sender).BackColor = Color.White;
}
private void textBox1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyValue == 13)
{
int n = Convert.ToInt32(((TextBox)sender).Tag.ToString());
Clear_Control(this.Controls, n, 6);
}
}
#region 遍历指定的控件
/// <summary>
/// 遍历指定的控件
/// </summary>
/// <param Con="ControlCollection">可视化控件</param>
/// <param n="int">控件标识</param>
/// <param m="int">最大标识</param>
public void Clear_Control(Control.ControlCollection Con, int n, int m)
{
int tem_n=0;
foreach (Control C in Con)
{ //遍历可视化组件中的所有控件
if (C.GetType().Name == "TextBox") //判断是否为TextBox控件
{
if (n == m)
tem_n = 1;
else
tem_n = n + 1;
if (Convert.ToInt32(((TextBox)C).Tag.ToString())==tem_n)
((TextBox)C).Focus(); //清空当前控件
}
}
}
#endregion
}
}
Form1.Designer.cs
namespace FocusChangeColor
{
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源,为 true;否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.label5 = new System.Windows.Forms.Label();
this.label6 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox3 = new System.Windows.Forms.TextBox();
this.textBox4 = new System.Windows.Forms.TextBox();
this.textBox5 = new System.Windows.Forms.TextBox();
this.textBox6 = new System.Windows.Forms.TextBox();
this.SuspendLayout();
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(10, 22);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(65, 12);
this.label1.TabIndex = 0;
this.label1.Text = "职工编号:";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(159, 22);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(65, 12);
this.label2.TabIndex = 1;
this.label2.Text = "职工姓名:";
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(10, 64);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(65, 12);
this.label3.TabIndex = 2;
this.label3.Text = "职工性别:";
//
// label4
//
this.label4.AutoSize = true;
this.label4.Location = new System.Drawing.Point(159, 64);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(65, 12);
this.label4.TabIndex = 3;
this.label4.Text = "职工年龄:";
//
// label5
//
this.label5.AutoSize = true;
this.label5.Location = new System.Drawing.Point(10, 110);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(65, 12);
this.label5.TabIndex = 4;
this.label5.Text = "出生年月:";
//
// label6
//
this.label6.AutoSize = true;
this.label6.Location = new System.Drawing.Point(159, 110);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(65, 12);
this.label6.TabIndex = 5;
this.label6.Text = "职工职务:";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(81, 17);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(72, 21);
this.textBox1.TabIndex = 6;
this.textBox1.Tag = "1";
this.textBox1.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox1_KeyDown);
this.textBox1.Leave += new System.EventHandler(this.textBox1_Leave);
this.textBox1.Enter += new System.EventHandler(this.textBox1_Enter);
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(228, 17);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(72, 21);
this.textBox2.TabIndex = 7;
this.textBox2.Tag = "2";
this.textBox2.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox1_KeyDown);
this.textBox2.Leave += new System.EventHandler(this.textBox1_Leave);
this.textBox2.Enter += new System.EventHandler(this.textBox1_Enter);
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(81, 59);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(72, 21);
this.textBox3.TabIndex = 8;
this.textBox3.Tag = "3";
this.textBox3.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox1_KeyDown);
this.textBox3.Leave += new System.EventHandler(this.textBox1_Leave);
this.textBox3.Enter += new System.EventHandler(this.textBox1_Enter);
//
// textBox4
//
this.textBox4.Location = new System.Drawing.Point(228, 59);
this.textBox4.Name = "textBox4";
this.textBox4.Size = new System.Drawing.Size(72, 21);
this.textBox4.TabIndex = 9;
this.textBox4.Tag = "4";
this.textBox4.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox1_KeyDown);
this.textBox4.Leave += new System.EventHandler(this.textBox1_Leave);
this.textBox4.Enter += new System.EventHandler(this.textBox1_Enter);
//
// textBox5
//
this.textBox5.Location = new System.Drawing.Point(81, 105);
this.textBox5.Name = "textBox5";
this.textBox5.Size = new System.Drawing.Size(72, 21);
this.textBox5.TabIndex = 10;
this.textBox5.Tag = "5";
this.textBox5.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox1_KeyDown);
this.textBox5.Leave += new System.EventHandler(this.textBox1_Leave);
this.textBox5.Enter += new System.EventHandler(this.textBox1_Enter);
//
// textBox6
//
this.textBox6.Location = new System.Drawing.Point(228, 105);
this.textBox6.Name = "textBox6";
this.textBox6.Size = new System.Drawing.Size(72, 21);
this.textBox6.TabIndex = 11;
this.textBox6.Tag = "6";
this.textBox6.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox1_KeyDown);
this.textBox6.Leave += new System.EventHandler(this.textBox1_Leave);
this.textBox6.Enter += new System.EventHandler(this.textBox1_Enter);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(312, 141);
this.Controls.Add(this.textBox6);
this.Controls.Add(this.textBox5);
this.Controls.Add(this.textBox4);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label6);
this.Controls.Add(this.label5);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.Text = "焦点变色";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.TextBox textBox5;
private System.Windows.Forms.TextBox textBox6;
}
}
Program.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace FocusChangeColor
{
static class Program
{
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
}
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