/// <summary>
/// 注册
/// </summary>
/// <param name="hWnd">需要捕获手柄消息的窗口</param>
/// <param name="joystickId">要捕获的手柄Id</param>
public bool Register(IntPtr hWnd, int joystickId)
{
bool flag = false;
int result = 0;
WinAPI.JOYCAPS caps = new WinAPI.JOYCAPS();
if (WinAPI.Win32API.joyGetNumDevs() != 0)
{
//拥有手柄.则判断手柄状态
result = WinAPI.Win32API.joyGetDevCaps(joystickId, ref caps, Marshal.SizeOf(typeof(WinAPI.JOYCAPS)));
if (result == Joy.JOYERR_NOERROR)
{
//手柄处于正常状态
flag = true;
}
}
if (flag)
{
//注册消息
if (!this.IsRegister)
{
Application.AddMessageFilter(this);
}
this.IsRegister = true;
result = WinAPI.Win32API.joySetCapture(hWnd, joystickId, caps.wPeriodMin * 2, false);
if (result != Joy.JOYERR_NOERROR)
{
flag = false;
}
}
return(flag);
}
public static extern int joyGetDevCaps(int uJoyID, ref JOYCAPS pjc, int cbjc);