C#+Winform : Aero 特效的快速搜索框

平时上网都会用到搜索引擎，但是每次都要去打开浏览器，然后打开百度或谷歌。。。   这样做总觉得很烦 ！ 为了不让自己能快点搜出东西，我就做了小工具  QuickSearch          

其实实现原理很简单：

就是先去找到那些搜索引擎的搜索字符串，例如百度的 http://www.baidu.com/s?wd= ，我们只需要在=后面加想搜的关键字就能搜到我们想要的内容，不过百度的关键字是utf-8编码的，所以我们就要进行编码转换 应为我是用C#开发 默认的是Unicode编码 

 转换方法：先添加应用 System.Web，

string result = System.Web.HttpUtility.UrlEncode(word, System.Text.Encoding.GetEncoding( "utf-8" ));

为了方便我还添加了快捷键：Ctrl+Q 实现快速显示窗体

Code:

[System.Runtime.InteropServices.DllImport( " user32.dll " )] // 申明API函数
　 public static extern bool RegisterHotKey(
IntPtr hWnd, // handle to window
int id, // hot key identifier
uint fsModifiers, // key-modifier options
Keys vk // virtual-key code
);
[System.Runtime.InteropServices.DllImport( " user32.dll " )] // 申明API函数
public static extern bool UnregisterHotKey(
IntPtr hWnd, // handle to window
int id // hot key identifier
);

protected override void WndProc( ref Message m)
{
const int WM_HOTKEY = 0x0312 ;

if (WM_HOTKEY == m.Msg)
{
if (m.WParam.ToInt32() == 101 )
{
hidWindows();
}
}
base .WndProc( ref m);
}

// 显示 or 隐藏
private void hidWindows()
{
if ( this .Visible == false )
{
this .Visible = true ;
this .TopMost = true ;
}
else
{
this .Visible = false ;
}
}

注册快捷键：
/* None = 0,
Alt = 1,
Ctrl = 2,
Shift = 4,
WindowsKey = 8 */
RegisterHotKey(Handle, 101 , 2 , Keys.Q);

复制代码

为了好看还加入Aero特效 这是Windows7自带的效果 ，直接写了类

using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace QuickSearch
{
public partial class AeroForm
{
[DllImport( " dwmapi.dll " )]
private static extern void DwmExtendFrameIntoClientArea(IntPtr hWnd, ref MARGINS pMargins);

[StructLayout(LayoutKind.Sequential)]
private struct MARGINS
{
public int left, right, top, bottom;
}

public static void AeroEffect(Form f1)
{
MARGINS m = new MARGINS()
{
left = - 1
};
DwmExtendFrameIntoClientArea(f1.Handle, ref m);
Color aeroColor = Color.FromArgb( 164 , 212 , 211 );
f1.TransparencyKey = aeroColor;
f1.BackColor = aeroColor;
}
}
}

复制代码

搜索代码：

string result = System.Web.HttpUtility.UrlEncode(word, System.Text.Encoding.GetEncoding( " utf-8 " ));

switch (btnSearch.ButtonText)
{
case " 百度一下 " :
Process.Start( @" http://www.baidu.com/s?wd= " + result);
this .TopMost = false ;
break ;
case " Google " :
Process.Start( @" http://www.google.com.hk/search?q= " + result);
this .TopMost = false ;
break ;
case " 有道搜索 " :
string youdao = HttpUtility.UrlEncode(word, Encoding.GetEncoding( " gbk " ));
Process.Start( @" http://www.youdao.com/search?q= " + youdao);
this .TopMost = false ;
break ;
case " 搜搜 " :
string soso = HttpUtility.UrlEncode(word,Encoding.GetEncoding( " gbk " ));
Process.Start( @" http://www.soso.com/q?pid=s.idx&w= " + soso);
this .TopMost = false ;
break ;
case " MSDN " :
this .TopMost = false ;
Process.Start( @" http://social.msdn.microsoft.com/Search/zh-cn?query= " + result + " + " );
break ;
}
this .Visible = false ;
txtKeyWord.Text = "" ;
}

搜索演示截图：