namespace Microsoft.Win32
{
//GWL定义
public static partial class NativeMethods
{
///
/// Retrieves the user data associated with the window. This data is intended for use by the application that created the window. Its value is initially zero.
///
public const int GWL_USERDATA = -21;
///
/// Retrieves the extended window styles.
///
public const int GWL_EXSTYLE = -20;
///
/// Retrieves the window styles.
///
public const int GWL_STYLE = -16;
///
/// Retrieves the identifier of the window.
///
public const int GWL_ID = -12;
///
/// Retrieves a handle to the parent window, if any.GetWindowLong return parent window handle,SetWindowLong set owner window handle.See also GetParent(if parent is NULL return owner window handle) Set Parent.Tim 2013.11.23
///
public const int GWL_HWNDPARENT = -8;
///
/// Retrieves a handle to the application instance.
///
public const int GWL_HINSTANCE = -6;
///
/// Retrieves the address of the window procedure, or a handle representing the address of the window procedure. You must use the CallWindowProc function to call the window procedure.
///
public const int GWL_WNDPROC = -4;
}
}