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 程式師世界 >> 編程語言 >> C語言 >> 關於C語言 >> C#實現窗體淡入淡出效果

C#實現窗體淡入淡出效果

編輯:關於C語言

以下是TransForm.cs源碼:

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 窗體設計器生成的代碼

        /// <summary>
        /// 設計器支持所需的方法 - 不要
        /// 使用代碼編輯器修改此方法的內容。
        /// </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(342, 205);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(62, 23);
            this.button1.TabIndex = 0;
            this.button1.Text = "關閉";
            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(416, 240);
            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\淡出狀態

        private double inspeed;
        private double outspeed;

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

        public double OutSpeed //淡出速度屬性(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()//窗體關閉時,調用此函數實現淡出效果
        {
            state = -1;
            timer1.Enabled = true;
        }

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


    }
}

工程類型:Windows用戶控件。

工程名稱:TransForm。

說明:下載TransForm.dll,令其他的新增窗體繼承自此dll文件即可實現C#的可視化繼承。

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