如何在C#中调用Windows API
我用VS.net 2003中调用windows api,可编译器却认不到“sysimport”,代码如下:
using System;
class HelloWorld
{
[sysimport(dll = "user32.dll")]
public static extern int MessageBoxA(int h, string m,
string c, int type);
public static int Main()
{
return MessageBoxA(0, "Hello World!", "Caption", 0);
}
}
在这儿向各位请教一下