日期:2014-05-18  浏览次数:21952 次

错误 1 属性“DllImport”在该声明类型中无效。它只在“method”声明中有效。
错误 1 属性“DllImport”在该声明类型中无效。它只在“method”声明中有效。 C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\WindowsApplication13\WindowsApplication13\Form1.cs 14 10 WindowsApplication13


这是什么错误 得怎么改啊

顺便问下[DllImport("user32")] 这么写对吗
USER32需要自己下吗

------解决方案--------------------
using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Text; 
using System.Windows.Forms; 
using System.Runtime.InteropServices; 

namespace WindowsApplication13 

  
public partial class Form1 : Form 

[DllImport("user32")] 
public static extern void mouse_event(int dwFlags, int dx, int dy, int dwData, int dwExtraInfo); 

private readonly int MOUSEEVENTF_LEFTDOWN = 0x2; 
private readonly int MOUSEEVENTF_LEFTUP = 0x4; 
  
public Form1() 

InitializeComponent(); 


private void Form1_Load(object sender, EventArgs e) 



 

private void button1_Click(object sender, EventArgs e) 

mouse_event(MOUSEEVENTF_LEFTDOWN, 10 * 65536 / 1024, 10 * 65536 / 768, 0, 0); 
mouse_event(MOUSEEVENTF_LEFTUP, 10 * 65536 / 1024, 10 * 65536 / 768, 0, 0);