/// <summary>
/// 热键
/// </summary>
public class HotKey
{
public const int WM_HOTKEY = 0x0312;
//如果函数执行成功，返回值不为0。
//如果函数执行失败，返回值为0。要得到扩展错误信息，调用GetLastError。
[DllImport("user32.dll", SetLastError = true)]
public static extern bool RegisterHotKey(
IntPtr hWnd, //要定义热键的窗口的句柄
int id, //定义热键ID（不能与其它ID重复）
KeyModifiers fsModifiers, //标识热键是否在按Alt、Ctrl、Shift、Windows等键时才会生效
Keys vk //定义热键的内容
);
[DllImport("user32.dll", SetLastError = true)]
public static extern bool UnregisterHotKey(
IntPtr hWnd, //要取消热键的窗口的句柄
int id //要取消热键的ID
);
//定义了辅助键的名称（将数字转变为字符以便于记忆，也可去除此枚举而直接使用数值）
/// <summary>
/// 计算标识
/// </summary>
/// <param name="keyModifiers"></param>
/// <param name="key"></param>
/// <returns></returns>
internal static int CalculateID(KeyModifiers keyModifiers, Keys key)
{
return (int)keyModifiers + ((int)key << 4);
}
public readonly KeyModifiers ModifierKey;
public readonly Keys Key;
public readonly int id;
/// <summary>
///
/// </summary>
/// <param name="keyModifiers"></param>
/// <param name="key"></param>
internal HotKey(KeyModifiers keyModifiers, Keys key)
{
this.ModifierKey = keyModifiers;
this.Key = key;
this.id = HotKey.CalculateID(keyModifiers, key);
}
}