// This will print current location
private void button4_Click(object sender, EventArgs e)
{
//Here will be code for location
label1.Text = "Locating.....";
// Prepare GpsPosition struct
GpsPosition coordinates = new GpsPosition();
coordinates.dwVersion = 1;
coordinates.dwSize = Marshal.SizeOf(typeof(GpsPosition));
IntPtr position = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(GpsPosition)));
// Marshal our data to the native pointer we allocated.
Marshal.StructureToPtr(coordinates, position, false);
GPSGetPosition(device, position, 10000, 0);
try
{
if (position != IntPtr.Zero)
{
coordinates = (GpsPosition)Marshal.PtrToStructure(position, typeof(GpsPosition));
label1.Text = "Position: " + coordinates.Latitude + ","
+ coordinates.Longitude;
}
else
{
label1.Text = "Position is null!";
}
}
catch (Exception ex)
{
label1.Text = ex.Message;
}
//
Marshal.FreeHGlobal(position);
}
// This will print current location
private void button4_Click(object sender, EventArgs e)
{
//Here will be code for location
label1.Text = "Locating.....";
// Prepare GpsPosition struct
GpsPosition coordinates = new GpsPosition();
coordinates.dwVersion = 1;
coordinates.dwSize = Marshal.SizeOf(typeof(GpsPosition));
IntPtr position = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(GpsPosition)));
// Marshal our data to the native pointer we allocated.
Marshal.StructureToPtr(coordinates, position, false);
GPSGetPosition(device, position, 10000, 0);
try
{
if (position != IntPtr.Zero)
{
coordinates = (GpsPosition)Marshal.PtrToStructure(position, typeof(GpsPosition));
label1.Text = "Position: " + coordinates.Latitude + ","
+ coordinates.Longitude;
}
else
{
label1.Text = "Position is null!";
}
}
catch (Exception ex)
{
label1.Text = ex.Message;
}
//
Marshal.FreeHGlobal(position);
}
