本文整理汇总了C#中Form1.Clear方法的典型用法代码示例。如果您正苦于以下问题：C# Form1.Clear方法的具体用法？C# Form1.Clear怎么用？C# Form1.Clear使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Form1的用法示例。
在下文中一共展示了Form1.Clear方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Load
public bool Load(string filename, ref Form1.WayPointInfo WayPoints,
int vector_size, ref float[] dataLat, ref float[] dataLong, ref Int16[] dataZ, ref Int32[] dataT, ref Int32[] dataD, ref Form1.TrackSummary ts, ref int data_size, bool append)
{
bool Status = false;
TimeSpan tspan;
UtmUtil utmUtil = new UtmUtil();
double OldLat = 0.0, OldLong = 0.0;
int DecimateCount = 0, Decimation = 1;
Int16 ReferenceAlt;
if (!append)
{
data_size = 0;
WayPoints.Count = 0;
ts.Clear();
}
if (data_size == 0)
ReferenceAlt = Int16.MaxValue;
else
ReferenceAlt = dataZ[data_size - 1];
Cursor.Current = Cursors.WaitCursor;
try
{
//XmlParserContext xmlpc = new XmlParserContext(null, null, "", XmlSpace.Default, System.Text.Encoding.UTF8); does not work
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreWhitespace = true;
StreamReader sr = new StreamReader(filename, System.Text.Encoding.UTF8); //use StreamReader to overwrite encoding ISO-8859-1, which is not supported by .NETCF (no speed drawback)
XmlReader reader = XmlReader.Create(sr, settings);
ts.filename = filename;
//reader.MoveToContent();
reader.ReadToFollowing("gpx");
reader.Read();
while (reader.NodeType == XmlNodeType.Element)
{
bool isTrack;
if ((isTrack = reader.Name == "trk") || reader.Name == "rte")
{
if (isTrack) reader.Read();
while (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == "trkseg" || reader.Name == "rte")
{
reader.Read();
while (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == "trkpt" || reader.Name == "rtept")
{
trkpt:
bool jumptrkpt = false;
if (data_size >= vector_size) // check if we need to decimate arrays
{
for (int i = 0; i < vector_size / 2; i++)
{
dataLat[i] = dataLat[i * 2];
dataLong[i] = dataLong[i * 2];
dataZ[i] = dataZ[i * 2];
dataT[i] = dataT[i * 2];
dataD[i] = dataD[i * 2];
}
data_size = vector_size / 2;
Decimation *= 2;
}
double lat = Convert.ToDouble(reader.GetAttribute("lat"), IC);
double lon = Convert.ToDouble(reader.GetAttribute("lon"), IC);
if (!utmUtil.referenceSet)
{
utmUtil.setReferencePoint(lat, lon);
OldLat = lat;
OldLong = lon;
}
double deltax = (lon - OldLong) * utmUtil.longit2meter;
double deltay = (lat - OldLat) * utmUtil.lat2meter;
ts.Distance += Math.Sqrt(deltax * deltax + deltay * deltay);
OldLong = lon; OldLat = lat;
tspan = TimeSpan.Zero; //clear data in case there is no <time> field
Int16 z_int = Int16.MinValue; //preset invalid Alt in case there is no <ele> field
reader.Read();
while (reader.NodeType == XmlNodeType.Element) //read subtree
{
switch (reader.Name)
{
case "ele":
z_int = (Int16)reader.ReadElementContentAsDouble();
// compute elevation gain
//if (ts.AltitudeStart == Int16.MinValue)
// ts.AltitudeStart = z_int;
if (z_int > ReferenceAlt)
{
ts.AltitudeGain += z_int - ReferenceAlt;
ReferenceAlt = z_int;
}
else if (z_int < ReferenceAlt - (short)Form1.AltThreshold)
{
ReferenceAlt = z_int;
}
if (z_int > (short)ts.AltitudeMax) ts.AltitudeMax = z_int;
if (z_int < (short)ts.AltitudeMin) ts.AltitudeMin = z_int;
break;
case "time":
//.........这里部分代码省略.........
示例2: Load
public bool Load(string filename, ref Form1.WayPointInfo WayPoints,
int vector_size, ref float[] dataLat, ref float[] dataLong, ref Int16[] dataZ, ref Int32[] dataT, ref Int32[] dataD, ref Form1.TrackSummary ts, ref int data_size, bool append)
{
bool Status = false;
int DecimateCount = 0, Decimation = 1;
double OldLat = 0.0, OldLong = 0.0;
UtmUtil utmUtil = new UtmUtil();
Int16 ReferenceAlt;
if (!append)
{
data_size = 0;
WayPoints.Count = 0;
ts.Clear();
}
if (data_size == 0)
ReferenceAlt = Int16.MaxValue;
else
ReferenceAlt = dataZ[data_size - 1];
Cursor.Current = Cursors.WaitCursor;
try
{
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreWhitespace = true;
StreamReader sr = new StreamReader(filename, System.Text.Encoding.UTF8); //use StreamReader to overwrite encoding ISO-8859-1, which is not supported by .NETCF (no speed drawback)
XmlReader reader = XmlReader.Create(sr, settings);
ts.filename = filename;
//reader.MoveToContent();
//reader.Read();
while (reader.ReadToFollowing("Placemark"))
{
while (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == "Placemark")
{
bool addLevel = false;
string tmpname = "";
string tmpdescription = "";
bool waypoint = false;
double lon = 0;
double lat = 0;
reader.Read();
while (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == "name")
{
tmpname = reader.ReadElementString();
}
else if (reader.Name == "description")
{
tmpdescription = reader.ReadElementString();
}
else if (reader.Name == "MultiGeometry")
{
reader.Read();
addLevel = true;
}
else if (reader.Name == "LineString")
{
ts.name = tmpname;
ts.desc = tmpdescription;
reader.Read();
while (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == "coordinates")
{
reader.ReadStartElement();
while (true)
{
string line = "";
char[] buf = new char[1];
int count = 1;
for (int i = 0; i < 100; i++) //read one line
{
count = reader.ReadValueChunk(buf, 0, 1);
if (buf[0] == '\n' || buf[0] == ' ' || buf[0] == '\r' || buf[0] == '\t' || count == 0)
break;
line += buf[0];
}
if (data_size >= vector_size) // check if we need to decimate arrays
{
for (int i = 0; i < vector_size / 2; i++)
{
dataLat[i] = dataLat[i * 2];
dataLong[i] = dataLong[i * 2];
dataZ[i] = dataZ[i * 2];
dataT[i] = dataT[i * 2];
dataD[i] = dataD[i * 2];
}
data_size = vector_size / 2;
Decimation *= 2;
}
string[] numbers = line.Split(',');
if (numbers.Length >= 2) //read data
{
//.........这里部分代码省略.........
示例3: T2F
{ //load as T2F (WayPoints)
public bool Load(string filename, ref Form1.WayPointInfo WayPoints,
int vector_size, ref float[] dataLat, ref float[] dataLong, ref Int16[] dataZ, ref Int32[] dataT, ref Int32[] dataD, ref Form1.TrackSummary ts, ref int data_size, bool append)
{
int DecimateCount = 0, Decimation = 1;
double OriginShiftX = 0.0;
double OriginShiftY = 0.0;
bool Status = false;
UtmUtil utmUtil = new UtmUtil();
Int16 ReferenceAlt;
if (!append)
{
data_size = 0;
WayPoints.Count = 0;
ts.Clear();
}
if (data_size == 0)
ReferenceAlt = Int16.MaxValue;
else
ReferenceAlt = dataZ[data_size - 1];
Cursor.Current = Cursors.WaitCursor;
do
{
try
{
ts.filename = filename;
FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
BinaryReader rd = new BinaryReader(fs, System.Text.Encoding.Unicode);
// load header "GCC1" (1 is version in binary)
if (rd.ReadByte() != 'G') break; if (rd.ReadByte() != 'C') break;
if (rd.ReadByte() != 'C') break; if (rd.ReadByte() != 1) break;
// read time as 6 bytes: year, month...
int tyear = (int)rd.ReadByte(); tyear += 2000;
int tmonth = (int)rd.ReadByte(); int tday = (int)rd.ReadByte();
int thour = (int)rd.ReadByte(); int tmin = (int)rd.ReadByte();
int tsec = (int)rd.ReadByte();
ts.StartTime = new DateTime(tyear, tmonth, tday, thour, tmin, tsec);
// read lat/long for the starting point
double data_lat = rd.ReadDouble();
double data_long = rd.ReadDouble();
utmUtil.setReferencePoint(data_lat, data_long);
Int16 x_int = 0; Int16 y_int = 0; Int16 z_int = 0; Int16 s_int = 0;
UInt16 t_16 = 0; UInt16 t_16last = 0; Int32 t_high = 0;
double out_lat = 0.0, out_long = 0.0;
double OldX = 0.0; double OldY = 0.0;
UInt64 recordError = 0UL;
bool loop = true;
while (loop) //break with EndOfStreamException
{
// get 5 short ints
try
{
x_int = rd.ReadInt16();
y_int = rd.ReadInt16();
z_int = rd.ReadInt16();
s_int = rd.ReadInt16();
t_16 = rd.ReadUInt16();
}
catch (EndOfStreamException) { break; }
catch (Exception e)
{
Utils.log.Error(" LoadGcc - get 5 short ints ", e);
break;
}
// check if this is a special record
if ((s_int == -1) && (t_16 == 0xFFFF))
{
switch (z_int)
{
case 0: // origin shift: z_int = 0
OriginShiftX += x_int;
OriginShiftY += y_int;
break;
case 1: // battery: z_int = 1
break;
case 2: // which GPS options were selected: z_int = 2
break;
case 3: // waypoint
// read waypoint name, if not blank
string name = "";
for (int i = 0; i < x_int; i++)
{
name += (char)(rd.ReadUInt16());
}
// store new waypoint
if (WayPoints.Count < WayPoints.DataSize)
{
WayPoints.name[WayPoints.Count] = name;
WayPoints.lat[WayPoints.Count] = (float)out_lat;
WayPoints.lon[WayPoints.Count] = (float)out_long;
WayPoints.Count++;
//.........这里部分代码省略.........