P/Invoke能够在asp.net 中使用哦
P/Invoke能够在asp.net 中使用哦,是的,今天have some try le.
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Web;
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using System.Web.SessionState;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.HtmlControls;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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namespace Test_MyService
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{
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/// <summary>
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/// WebForm1 的摘要说明。
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/// </summary>
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public class WebForm1 : System.Web.UI.Page
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{
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protected System.Web.UI.WebControls.TextBox TextBox1;
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protected System.Web.UI.WebControls.Label Label1;
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protected System.Web.UI.WebControls.Button Button1;
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protected System.Web.UI.WebControls.TextBox TextBox2;
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protected System.Web.UI.WebControls.TextBox txtQ;
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protected System.Web.UI.WebControls.TextBox txtD;
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localhost.ServiceTest myservice = new Test_MyService.localhost.ServiceTest();
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private void Page_Load(object sender, System.EventArgs e)
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{
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// 在此处放置用户代码以初始化页面
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}
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[DllImport("user32.dll", CharSet=CharSet.Ansi)]
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public static extern int MessageBox(int h, string m,
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string c, int type);
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[DllImport("user32.dll", CharSet=CharSet.Ansi)]
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public static extern Boolean MessageBeep(UInt32 beepType);
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[DllImport("Kernel32.dll", SetLastError=true)]
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static extern Boolean Beep(UInt32 frequency, UInt32 duration);
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Web 窗体设计器生成的代码
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private void Button1_Click(object sender, System.EventArgs e)
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{
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this.TextBox2.Text = myservice.Who(this.TextBox1.Text);
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// string pText = "Hello World!";
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// string pCaption = "PInvoke Test";
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// MessageBox(0, pText, pCaption, 0);
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//MessageBeep(0x00000010);
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Beep(Convert.ToUInt32(txtQ.Text),Convert.ToUInt32(txtD.Text));
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}
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}
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}
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其中MessageBox.Show(...)执行时就不动了,内部机理也不名所以,若是能够SHOW的话,那岂不是不用ACTIVEX了吗,一己之见而已了。根据理论是不行的,在。NET3.0(WinFX)可以将Win&Web集成到一起,那时将不分什么了,太恐怖了。。。。。
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using System;4
using System.Collections;5
using System.ComponentModel;6
using System.Data;7
using System.Drawing;8
using System.Web;9
using System.Web.SessionState;10
using System.Web.UI;11
using System.Web.UI.WebControls;12
using System.Web.UI.HtmlControls;13

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using System.Runtime.InteropServices;15
using System.Windows.Forms;16

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namespace Test_MyService18
{19
/// <summary>20
/// WebForm1 的摘要说明。21
/// </summary>22
public class WebForm1 : System.Web.UI.Page23
{24
protected System.Web.UI.WebControls.TextBox TextBox1;25
protected System.Web.UI.WebControls.Label Label1;26
protected System.Web.UI.WebControls.Button Button1;27
protected System.Web.UI.WebControls.TextBox TextBox2;28
protected System.Web.UI.WebControls.TextBox txtQ;29
protected System.Web.UI.WebControls.TextBox txtD;30

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localhost.ServiceTest myservice = new Test_MyService.localhost.ServiceTest();32
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private void Page_Load(object sender, System.EventArgs e)34
{35
// 在此处放置用户代码以初始化页面36

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}38

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[DllImport("user32.dll", CharSet=CharSet.Ansi)]40
public static extern int MessageBox(int h, string m,41
string c, int type);42

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[DllImport("user32.dll", CharSet=CharSet.Ansi)]44
public static extern Boolean MessageBeep(UInt32 beepType);45

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[DllImport("Kernel32.dll", SetLastError=true)]47
static extern Boolean Beep(UInt32 frequency, UInt32 duration);48

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Web 窗体设计器生成的代码71

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private void Button1_Click(object sender, System.EventArgs e)73
{74
this.TextBox2.Text = myservice.Who(this.TextBox1.Text);75

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// string pText = "Hello World!";77
// string pCaption = "PInvoke Test";78
// MessageBox(0, pText, pCaption, 0);79

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//MessageBeep(0x00000010);81
Beep(Convert.ToUInt32(txtQ.Text),Convert.ToUInt32(txtD.Text));82

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}84
}85
}86

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