namespace Microsoft.Win32 { //BKMODE定义 public static partial class NativeMethods { /// <summary> /// Background remains untouched. /// </summary> public const int TRANSPARENT = 1; /// <summary> /// Background is filled with the current background color before the text, hatched brush, or pen is drawn. /// </summary> public const int OPAQUE = 2; /// <summary> /// 无效,值与OPAQUE相同 /// </summary> public const int BKMODE_LAST = 2; } }