ASP.net教程之(转)winform Form 淡入淡出效果

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ASP.net教程之(转)winform Form 淡入淡出效果
原文地址：http://blog.csdn.net/a237428367/article/details/5933565<br data-filtered="filtered"><br data-filtered="filtered">using System.Runtime.InteropServices;

public class Win32

        {

            public const Int32 AW_HOR_POSITIVE = 0x00000001;    // 从左到右打开窗口

            public const Int32 AW_HOR_NEGATIVE = 0x00000002;    // 从右到左打开窗口

            public const Int32 AW_VER_POSITIVE = 0x00000004;    // 从上到下打开窗口

            public const Int32 AW_VER_NEGATIVE = 0x00000008;    // 从下到上打开窗口

            public const Int32 AW_CENTER = 0x00000010;

            public const Int32 AW_HIDE = 0x00010000;        // 在窗体卸载时若想使用本函数就得加上此常量

            public const Int32 AW_ACTIVATE = 0x00020000;    //在窗体通过本函数打开后，默认情况下会失去焦点，除非加上本常量

            public const Int32 AW_SLIDE = 0x00040000;

            public const Int32 AW_BLEND = 0x00080000;       // 淡入淡出效果

            [DllImport("user32.dll", CharSet = CharSet.Auto)]

            public static extern bool AnimateWindow(

            IntPtr hwnd, // handle to window  

            int dwTime, // duration of animation  

            int dwFlags // animation type  

            );

        }

/*淡入窗体*/

private void Form_Load(object sender, EventArgs e)

{

        Win32.AnimateWindow(this.Handle, 2000, Win32.AW_BLEND);

}

/*淡出窗体*/

private void Form_FormClosing(object sender, FormClosingEventArgs e)

{

    Win32.AnimateWindow(this.Handle, 2000, Win32.AW_SLIDE | Win32.AW_HIDE | Win32.AW_BLEND);
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