form1.cs

C#150例

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

namespace Example022_窗体的动画效果
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <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.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem2});
			this.menuItem1.Text = "File";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 0;
			this.menuItem2.Text = "Exit";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(288, 197);
			this.Menu = this.mainMenu1;
			this.Name = "Form1";
			this.Text = "Form1";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
			this.Load += new System.EventHandler(this.Form1_Load);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		[System.Runtime.InteropServices.DllImport("user32")]
		private static extern bool AnimateWindow(IntPtr hwnd,int dwTime, int dwFlags);
		const int AW_HOR_POSITIVE = 0x0001;
		const int AW_HOR_NEGATIVE = 0x0002;
		const int AW_VER_POSITIVE = 0x0004;
		const int AW_VER_NEGATIVE = 0x0008;
		const int AW_CENTER = 0x0010;
		const int AW_HIDE = 0x10000;
		const int AW_ACTIVATE = 0x20000;
		const int AW_SLIDE = 0x40000;
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		const int AW_BLEND = 0x80000;		

		private void Form1_Load(object sender, System.EventArgs e)
		{
			AnimateWindow(this.Handle,1000, AW_CENTER | AW_ACTIVATE);
		
		}

		private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			AnimateWindow(this.Handle, 1000, AW_SLIDE | AW_HIDE | AW_VER_NEGATIVE);
			
		}
	}
}