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C#窗体实现淡入淡出效果

2009-03-02 18:39  独孤残云  阅读(1536)  评论(0编辑  收藏  举报

   以下是TransForm.cs源码:

 


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace TransForm
{
    
public partial class Form1 : Form
    {
        
public Form1()
        {
            InitializeComponent();
            timer1.Enabled 
= false;
            inspeed 
= 10;
            outspeed 
= 10;
        }

        
private System.Windows.Forms.Timer timer1;
        
public System.Windows.Forms.Button button1;


        
#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.components = new System.ComponentModel.Container();
            
this.timer1 = new System.Windows.Forms.Timer(this.components);
            
this.button1 = new System.Windows.Forms.Button();
            
this.SuspendLayout();
            
// 
            
// timer1
            
// 
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            
// 
            
// button1
            
// 
            this.button1.Location = new System.Drawing.Point(342205);
            
this.button1.Name = "button1";
            
this.button1.Size = new System.Drawing.Size(6223);
            
this.button1.TabIndex = 0;
            
this.button1.Text = "关闭";
            
this.button1.UseVisualStyleBackColor = true;
            
this.button1.Click += new System.EventHandler(this.button1_Click);
            
// 
            
// Form1
            
// 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            
this.ClientSize = new System.Drawing.Size(416240);
            
this.ControlBox = false;
            
this.Controls.Add(this.button1);
            
this.Name = "Form1";
            
this.Text = "Transform";
            
this.Load += new System.EventHandler(this.Form1_Load);
            
this.ResumeLayout(false);

        }

        
#endregion

        
private int state;//淡入\淡出状态

        
private double inspeed;
        
private double outspeed;

        
public double InSpeed //淡入速度属性(0---100)
        {
            
get
            {
                
return inspeed;
            }
            
set
            {
                inspeed 
= value;
            }
        }

        
public double OutSpeed //淡出速度属性(0---100)
        {
            
get
            {
                
return outspeed;
            }
            
set
            {
                outspeed 
= value;
            }
        }

        
private void Form1_Load(object sender, EventArgs e)
        {
            state 
= 0;
            timer1.Enabled 
= true;
            
this.Opacity = 0;
        }

        
private void timer1_Tick(object sender, EventArgs e)
        {
            
if (state >= 0)
            {
                
this.Opacity += inspeed/100 ;
                
if (this.Opacity == 1)
                {
                    timer1.Enabled 
= false;
                }
            }
            
else if (state < 0)
            {
                
this.Opacity -= outspeed/100 ;
                
if (this.Opacity == 0)
                {
                    
this.Close();
                    timer1.Enabled 
= false;
                }
            }
        }

        
public void FormClose()//窗体关闭时,调用此函数实现淡出效果
        {
            state 
= -1;
            timer1.Enabled 
= true;
        }

        
private void button1_Click(object sender, EventArgs e)
        {
            FormClose();
        }


    }
}

 

工程类型:Windows用户控件。

工程名称:TransForm。

说明:下载TransForm.dll,令其他的新增窗体继承自此dll文件即可实现C#的可视化继承。