异步调用

public async void AsyncSearchDataStart()

{

int res = await WaitSearchData();//等待调用完成

if (res == 1)

{

int ret = App.g_NAVI_Interface.NAVI_GetSearchData();

if (ret == 1)

{

}

}

else

{

}

}

public Task<int> WaitSearchData()

{

var task = new Task<int>(() =>//返回 //异步调用

{

});

task.Start();

return task;

}

 

//异步调用传参数

public Task<int> WaitSearchData(double xx, double yy)

{

var task = new Task<int>(() => abc(xx, yy)

task.Start();

return task;

}

int abc(double xx, double yy)

{

    return 0;

}