日期:2014-05-17 浏览次数:21308 次
public enum MPRDeviceEvent
{
PLUGED_IN, //设备插入
PLUGED_OUT, //设备设备拔出
MPR_CODE_CAPTURED, //点读了一个MPR码
POWER_KEY_PRESSED, //POWER键被按下
UP_KEY_PRESSED, //音量+键被按下
DOWN_KEY_PRESSED //音量-键被按下
}
private static void ProcessMPRDeviceEvent(MPRDeviceEvent mrpevent, IntPtr p_data, int data_len)
{
switch (mrpevent)
{
case MPRDeviceEvent.MPR_CODE_CAPTURED:
{
byte[] byteCode = new byte[data_len];
Marshal.Copy(p_data, byteCode, 0, data_len);
Marshal.Release(p_data);
string strCode = string.Empty;
for (int i = 0; i < data_len; i++)
{
strCode += byteCode[i].ToString("X");
}
_Lable.Text = strCode;
break;
}
}
}
public delegate void DelegateMPRCallBack(MPRDeviceEvent mrpevent, IntPtr p_data, int data_len);
public static System.Windows.Forms.Label _Lable;
static DelegateMPRCallBack _CallBack;
[DllImport("MPRDeviceAPI.dll")]
public static extern int MPRDevice_InitLib(DelegateMPRCallBack callBack);
public static bool Start(System.Windows.Forms.Label lable)