获取当前窗口句柄:GetForegroundWindow()
[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
public static extern IntPtr GetForegroundWindow();
使用方法 IntPtr myPtr=GetForegroundWindow();
[DllImport("kernel32.dll")] static extern IntPtr LoadLibrary(string lpFileName); [DllImport("kernel32.dll", SetLastError = true)] static extern bool FreeLibrary(IntPtr hModule);// <summary>
/// Loadlibrary 返回的函数库模块的句柄
/// </summary>
private
IntPtr hModule = IntPtr.Zero;
/// <summary>
/// 装载 Dll
/// </summary>
/// <param name="lpFileName">DLL 文件名 </param>
public void LoadDll(string lpFileName)
{
hModule = LoadLibrary(lpFileName);
if (hModule == IntPtr.Zero)
{
throw (new Exception(" 没有找到 :" + lpFileName + "."));
}
}
/// <summary>/// 卸载 Dll
/// </summary>
public void UnLoadDll()
{
FreeLibrary(hModule);
hModule = IntPtr.Zero; }