C#如何实现窗口的淡入淡出效果？（AnimateWindow）

suzhan 2002-11-22 10:52:15

C#中如何做出窗口在显示和隐藏（关闭）时的淡入淡出效果？？我知道在VC中是使用AnimateWindow（）函数，但在C#里怎么用？？

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javanow 2003-03-11

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怎么说我
An unhandled exception of type 'System.ArgumentException' occurred in system.windows.forms.dll

Additional information: hdc

急，谢谢

suzhan 2002-11-22

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多谢班兄！！！！

TheAres 2002-11-22

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Try like this:

using System.Runtime.InteropServices;

private void Form2_Load(object sender, System.EventArgs e)
{
Win32.AnimateWindow(this.Handle,500, Win32.AW_BLEND);
}
public class Win32
{
public const Int32 AW_HOR_POSITIVE = 0x00000001;
public const Int32 AW_HOR_NEGATIVE = 0x00000002;
public const Int32 AW_VER_POSITIVE = 0x00000004;
public const Int32 AW_VER_NEGATIVE = 0x00000008;
public const Int32 AW_CENTER = 0x00000010;
public const Int32 AW_HIDE = 0x00010000;
public const Int32 AW_ACTIVATE = 0x00020000;
public const Int32 AW_SLIDE = 0x00040000;
public const Int32 AW_BLEND = 0x00080000;
[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
);
}