//FindWindow 查找窗口
//FindWindowEx查找子窗口
//EnumWindows列举屏幕上的所有顶层窗口，如果回调函数成功则返回非零，失败则返回零
//GetWindowText返回窗口的标题
一、首先要先导入要使用到的win api
[DllImport("user32.dll")]
public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
[DllImport("User32.dll")]
private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("user32.dll")]
static extern int EnumWindows(EnumWindowsProc hWnd, IntPtr lParam);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern int GetWindowText(IntPtr hWnd, StringBuilder lpText, int nCount);
[DllImport("user32.dll")]
private static extern int SendMessage(IntPtr hwnd, int wMsg, int wParam, StringBuilder lParam);
private const int WM_GETTEXT = 0x00D;
private static string _url;
//定义委托
delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
static void Main(string[] args)
{
string url = GetWindowText();
Console.WriteLine(url);
Console.ReadKey();
}
public static string GetWindowText()
{
IntPtr chrom = IntPtr.Zero;
EnumWindowsProc enwdproc = new EnumWindowsProc(FindChrom);
if (EnumWindows(enwdproc, IntPtr.Zero) >= )
return _url;
else
return null;
}
//回调函数
static bool FindChrom(IntPtr hWnd, IntPtr lParam)
{
var sb = new StringBuilder();
GetWindowText(hWnd, sb, sb.Capacity);
if (sb.ToString() != String.Empty)
{
if (hWnd != IntPtr.Zero)
{
IntPtr tb = FindWindowEx(hWnd, new IntPtr(), "Chrome_OmniboxView", ""); //Chrome_OmniboxView是通过Spy++获得的
StringBuilder strbld = new StringBuilder();
SendMessage(tb, WM_GETTEXT, , strbld);
_url = strbld.ToString();
}
return false;
}
//回调函数有返回值
return true;
}