public static void MergerManyShapeFile(String[] files, string TargetFile, BackgroundWorker worker, DoWorkEventArgs e)
{
if (File.Exists(TargetFile))
{
File.Delete(TargetFile);
}
File.Copy(files[0], TargetFile, true);
FileStream fileStream1 = new FileStream(TargetFile, FileMode.Open, FileAccess.ReadWrite);
BinaryReader binaryReader1 = new BinaryReader(fileStream1);
BinaryWriter binaryWriter = new BinaryWriter(fileStream1);
ShapeHeader shapeHeader1 = new ShapeHeader();
shapeHeader1 = ShapeFucntion.ReadShapeHeader(binaryReader1);
Record record = new Record();
while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
{
record = ShapeFucntion.ReadRecord(binaryReader1);
}
int recordNum = record.recordNumber;
for (int i = 1; i < files.Length; i++)
{
FileStream fileStream2 = new FileStream(files[i], FileMode.Open, FileAccess.Read);
BinaryReader binaryReader2 = new BinaryReader(fileStream2);
ShapeHeader shapeHeader2 = new ShapeHeader();
shapeHeader2 = ShapeFucntion.ReadShapeHeader(binaryReader2);
shapeHeader1 = ShapeFucntion.MergeShapeHeader(shapeHeader1, shapeHeader2);
while (binaryReader2.BaseStream.Position < binaryReader2.BaseStream.Length)
{
recordNum++;
record = ShapeFucntion.ReadRecord(binaryReader2);
record.recordNumber = recordNum;
ShapeFucntion.WriteRecord(record, binaryWriter);
}
binaryReader2.Close();
fileStream2.Close();
// Thread.Sleep(500);
worker.ReportProgress(i * 100 / (files.Length - 1));
if (worker.CancellationPending)
{
fileStream1.Seek(0, SeekOrigin.Begin);
ShapeFucntion.WriteShapeHeader(shapeHeader1, binaryWriter);
binaryReader1.Close();
binaryWriter.Close();
fileStream1.Close();
e.Cancel = true;
return;
}
}
fileStream1.Seek(0, SeekOrigin.Begin);
ShapeFucntion.WriteShapeHeader(shapeHeader1, binaryWriter);
binaryReader1.Close();
binaryWriter.Close();
fileStream1.Close();
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
try
{
ShapeFucntion.MergerManyShapeFile(files, TargetFile, worker, e);
}
catch (Exception ex)
{
MessageBox.Show("Merge error,error code:" + ex.ToString(), "Information", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
public static void MergerManyShapeFile(String[] files, string TargetFile, ContorlValue contorlValue, Refresh refreshProBar)
{
if (File.Exists(TargetFile))
{
File.Delete(TargetFile);
}
contorlValue.Invoke(0, files.Length - 1);
File.Copy(files[0], TargetFile, true);
FileStream fileStream1 = new FileStream(TargetFile, FileMode.Open, FileAccess.ReadWrite);
BinaryReader binaryReader1 = new BinaryReader(fileStream1);
BinaryWriter binaryWriter = new BinaryWriter(fileStream1);
ShapeHeader shapeHeader1 = new ShapeHeader();
shapeHeader1 = ShapeFucntion.ReadShapeHeader(binaryReader1);
Record record = new Record();
while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
{
record = ShapeFucntion.ReadRecord(binaryReader1);
}
int recordNum = record.recordNumber;
for (int i = 1; i < files.Length; i++)
{
FileStream fileStream2 = new FileStream(files[i], FileMode.Open, FileAccess.Read);
BinaryReader binaryReader2 = new BinaryReader(fileStream2);
ShapeHeader shapeHeader2 = new ShapeHeader();
shapeHeader2 = ShapeFucntion.ReadShapeHeader(binaryReader2);
shapeHeader1 = ShapeFucntion.MergeShapeHeader(shapeHeader1, shapeHeader2);
while (binaryReader2.BaseStream.Position < binaryReader2.BaseStream.Length)
{
recordNum++;
record = ShapeFucntion.ReadRecord(binaryReader2);
record.recordNumber = recordNum;
ShapeFucntion.WriteRecord(record, binaryWriter);
}
binaryReader2.Close();
fileStream2.Close();
refreshProBar.Invoke(i);
Thread.Sleep(500);
}
fileStream1.Seek(0, SeekOrigin.Begin);
ShapeFucntion.WriteShapeHeader(shapeHeader1, binaryWriter);
binaryReader1.Close();
binaryWriter.Close();
fileStream1.Close();
}