private Bitmap DrawToPictureBox(ISymbol pSym, PictureBox pBox)
{
IPoint pPoint = null;
IGeometry pGeometry = null;
int hDC;
System.Drawing.Graphics pGraphics = null;
pGraphics = System.Drawing.Graphics.FromHwnd(pBox.Handle);
//clear drawing canvas
pGraphics.FillRectangle(System.Drawing.Brushes.White, pBox.ClientRectangle);
if (pSym is IMarkerSymbol)
{
pPoint = new PointClass(); //the geometry of a MarkerSymbol
pPoint.PutCoords(pBox.Width / 2, pBox.Height / 2); //center in middle of pBox
pGeometry = pPoint;
}
if (pSym is ILineSymbol)
{
ISegmentCollection polyline = new ESRI.ArcGIS.Geometry.PolylineClass();
ISegment line = new ESRI.ArcGIS.Geometry.LineClass();
IPoint fromPoint = new PointClass();
fromPoint.PutCoords(pBox.Left, pBox.Bottom);
IPoint toPoint = new PointClass();
toPoint.PutCoords(pBox.Right, pBox.Top);
line.FromPoint = fromPoint;
line.ToPoint = toPoint;
object missing = Type.Missing;
polyline.AddSegment(line, ref missing, ref missing);
pGeometry = polyline as IGeometry;
}
if (pSym is IFillSymbol)
{
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(pBox.Left, pBox.Top, pBox.Right, pBox.Bottom);
pGeometry = pEnvelope;
}
hDC = GetDC(pBox.Handle.ToInt32());
pSym.SetupDC(hDC, null);
pSym.ROP2 = esriRasterOpCode.esriROPCopyPen;
pSym.Draw(pGeometry);
pSym.ResetDC();
Bitmap image = new Bitmap(pBox.Width, pBox.Height, pGraphics);
Graphics g2 = Graphics.FromImage(image);
//获得屏幕的句柄
IntPtr dc3 = pGraphics.GetHdc();
//获得位图的句柄
IntPtr dc2 = g2.GetHdc();
BitBlt(dc2, 0, 0, pBox.Width, pBox.Height, dc3, 0, 0, SRCCOPY);
pGraphics.ReleaseHdc(dc3); //释放屏幕句柄
g2.ReleaseHdc(dc2); //释放位图句柄
//image.Save("c:\\MyJpeg.Icon", ImageFormat.Bmp);
return(image);
}
private void DrawToTarget(ISymbol pSym, PictureBox pBox)
{
IPoint pPoint = null;
IGeometry pGeometry = null;
IDisplayTransformation pDisplayTrans = null;
if (pSym is IMarkerSymbol)
{
pPoint = new PointClass(); //the geometry of a MarkerSymbol
pPoint.PutCoords(pBox.Width / 2, pBox.Height / 2); //center in middle of pBox
pGeometry = pPoint;
}
if (pSym is ILineSymbol)
{
ISegmentCollection polyline = new ESRI.ArcGIS.Geometry.PolylineClass();
ISegment line = new ESRI.ArcGIS.Geometry.LineClass();
IPoint fromPoint = new PointClass();
fromPoint.PutCoords(pBox.Left, pBox.Bottom);
IPoint toPoint = new PointClass();
toPoint.PutCoords(pBox.Right, pBox.Top);
line.FromPoint = fromPoint;
line.ToPoint = toPoint;
object missing = Type.Missing;
polyline.AddSegment(line, ref missing, ref missing);
pGeometry = polyline as IGeometry;
}
if (pSym is IFillSymbol)
{
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(pBox.Left, pBox.Top, pBox.Right, pBox.Bottom);
pGeometry = pEnvelope;
}
pDisplayTrans = getTransformation(pBox) as IDisplayTransformation;
pSym.SetupDC(pBox.Handle.ToInt32(), null);
pSym.ROP2 = esriRasterOpCode.esriROPCopyPen;
pSym.Draw(pGeometry);
pSym.ResetDC();
}
private bool UpdatePointXYFromGeometry(ITable PointTable, IQueryFilter QueryFilter, bool Unversioned, double UpdateIfMoreThanTolerance, out int ChangedPointCount)
{
IProgressDialogFactory pProgressorDialogFact = new ProgressDialogFactoryClass();
ITrackCancel pTrackCancel = new CancelTrackerClass();
IStepProgressor pStepProgressor = pProgressorDialogFact.Create(pTrackCancel, ArcMap.Application.hWnd);
IProgressDialog2 pProgressorDialog = (IProgressDialog2)pStepProgressor;
try
{
pStepProgressor.MinRange = 0;
pStepProgressor.MaxRange = PointTable.RowCount(null);
pStepProgressor.StepValue = 1;
pProgressorDialog.Animation = ESRI.ArcGIS.Framework.esriProgressAnimationTypes.esriProgressSpiral;
bool bCont = true;
IRow pPointFeat = null;
ICursor pPtCurs = null;
ChangedPointCount = 0;
if (Unversioned)
{
ITableWrite pTableWr = (ITableWrite)PointTable;//used for unversioned table
pPtCurs = pTableWr.UpdateRows(QueryFilter, false);
}
else
pPtCurs = PointTable.Update(QueryFilter, false);
pPointFeat = pPtCurs.NextRow();
int iPointIdx_X = pPtCurs.Fields.FindField("X");
int iPointIdx_Y = pPtCurs.Fields.FindField("Y");
pProgressorDialog.ShowDialog();
pStepProgressor.Message = "Updating point data...";
while (pPointFeat != null)
{//loop through all of the fabric points, and if any of the point id values are in the deleted set,
//then remove the control name from the point's NAME field
bCont = pTrackCancel.Continue();
if (!bCont)
break;
IFeature pFeat = (IFeature)pPointFeat;
IPoint pPtSource = (IPoint)pFeat.ShapeCopy;
if (pPtSource == null)
{
Marshal.ReleaseComObject(pPointFeat); //garbage collection
pPointFeat = pPtCurs.NextRow();
continue;
}
if (pPtSource.IsEmpty)
{
Marshal.ReleaseComObject(pPointFeat); //garbage collection
pPointFeat = pPtCurs.NextRow();
continue;
}
IPoint pPtTarget = new ESRI.ArcGIS.Geometry.PointClass();
pPtTarget.X = Convert.ToDouble(pPointFeat.get_Value(iPointIdx_X));
pPtTarget.Y = Convert.ToDouble(pPointFeat.get_Value(iPointIdx_Y));
ILine pLine = new ESRI.ArcGIS.Geometry.LineClass();
pLine.PutCoords(pPtSource, pPtTarget);
if (pLine.Length > UpdateIfMoreThanTolerance)
{
pPointFeat.set_Value(iPointIdx_X, pPtSource.X);
pPointFeat.set_Value(iPointIdx_Y, pPtSource.Y);
//if (Unversioned)
pPtCurs.UpdateRow(pPointFeat);
//else
// pPointFeat.Store();
ChangedPointCount++;
string sCnt = ChangedPointCount.ToString() + " of " + pStepProgressor.MaxRange.ToString();
pStepProgressor.Message = "Updating point data..." + sCnt;
}
Marshal.ReleaseComObject(pPointFeat); //garbage collection
pPointFeat = pPtCurs.NextRow();
if (pStepProgressor.Position < pStepProgressor.MaxRange)
pStepProgressor.Step();
}
Marshal.ReleaseComObject(pPtCurs); //garbage collection
return bCont;
}
catch (COMException ex)
{
MessageBox.Show("Problem updating point XY from shape: " + Convert.ToString(ex.ErrorCode));
ChangedPointCount = 0;
return false;
}
finally
{
pStepProgressor = null;
if (!(pProgressorDialog == null))
pProgressorDialog.HideDialog();
pProgressorDialog = null;
}
}
private bool UpdatePointXYFromGeometry(ITable PointTable, IQueryFilter QueryFilter, bool Unversioned, double UpdateIfMoreThanTolerance, out int ChangedPointCount)
{
IApplication pApp = (IApplication)ArcMap.Application;
if (pApp == null)
{
//if the app is null then must be running from ArcCatalog...based on equivalent test in calling function.
pApp = (IApplication)ArcCatalog.Application;
}
IProgressDialogFactory pProgressorDialogFact = new ProgressDialogFactoryClass();
ITrackCancel pTrackCancel = new CancelTrackerClass();
IStepProgressor pStepProgressor = pProgressorDialogFact.Create(pTrackCancel, pApp.hWnd);
IProgressDialog2 pProgressorDialog = (IProgressDialog2)pStepProgressor;
try
{
pStepProgressor.MinRange = 0;
pStepProgressor.MaxRange = PointTable.RowCount(null);
pStepProgressor.StepValue = 1;
pProgressorDialog.Animation = ESRI.ArcGIS.Framework.esriProgressAnimationTypes.esriProgressSpiral;
bool bCont = true;
IRow pPointFeat = null;
ICursor pPtCurs = null;
ChangedPointCount = 0;
if (Unversioned)
{
ITableWrite pTableWr = (ITableWrite)PointTable;//used for unversioned table
pPtCurs = pTableWr.UpdateRows(QueryFilter, false);
}
else
{
pPtCurs = PointTable.Update(QueryFilter, false);
}
pPointFeat = pPtCurs.NextRow();
int iPointIdx_X = pPtCurs.Fields.FindField("X");
int iPointIdx_Y = pPtCurs.Fields.FindField("Y");
pProgressorDialog.ShowDialog();
pStepProgressor.Message = "Updating point data...";
while (pPointFeat != null)
{//loop through all of the fabric points, and if any of the point id values are in the deleted set,
//then remove the control name from the point's NAME field
bCont = pTrackCancel.Continue();
if (!bCont)
{
break;
}
IFeature pFeat = (IFeature)pPointFeat;
IPoint pPtSource = (IPoint)pFeat.ShapeCopy;
if (pPtSource == null)
{
Marshal.ReleaseComObject(pPointFeat); //garbage collection
pPointFeat = pPtCurs.NextRow();
continue;
}
if (pPtSource.IsEmpty)
{
Marshal.ReleaseComObject(pPointFeat); //garbage collection
pPointFeat = pPtCurs.NextRow();
continue;
}
IPoint pPtTarget = new ESRI.ArcGIS.Geometry.PointClass();
pPtTarget.X = Convert.ToDouble(pPointFeat.get_Value(iPointIdx_X));
pPtTarget.Y = Convert.ToDouble(pPointFeat.get_Value(iPointIdx_Y));
ILine pLine = new ESRI.ArcGIS.Geometry.LineClass();
pLine.PutCoords(pPtSource, pPtTarget);
if (pLine.Length > UpdateIfMoreThanTolerance)
{
pPointFeat.set_Value(iPointIdx_X, pPtSource.X);
pPointFeat.set_Value(iPointIdx_Y, pPtSource.Y);
//if (Unversioned)
pPtCurs.UpdateRow(pPointFeat);
//else
// pPointFeat.Store();
ChangedPointCount++;
string sCnt = ChangedPointCount.ToString() + " of " + pStepProgressor.MaxRange.ToString();
pStepProgressor.Message = "Updating point data..." + sCnt;
}
Marshal.ReleaseComObject(pPointFeat); //garbage collection
pPointFeat = pPtCurs.NextRow();
if (pStepProgressor.Position < pStepProgressor.MaxRange)
{
pStepProgressor.Step();
}
}
Marshal.ReleaseComObject(pPtCurs); //garbage collection
return(bCont);
}
catch (COMException ex)
{
MessageBox.Show("Problem updating point XY from shape: " + Convert.ToString(ex.ErrorCode));
ChangedPointCount = 0;
return(false);
}
finally
{
pStepProgressor = null;
if (!(pProgressorDialog == null))
{
pProgressorDialog.HideDialog();
}
pProgressorDialog = null;
}
}
private void DrawToTarget(ISymbol pSym, PictureBox pBox)
{
IPoint pPoint = null;
IGeometry pGeometry = null;
IDisplayTransformation pDisplayTrans = null;
if (pSym is IMarkerSymbol)
{
pPoint = new PointClass(); //the geometry of a MarkerSymbol
pPoint.PutCoords(pBox.Width / 2, pBox.Height / 2); //center in middle of pBox
pGeometry = pPoint;
}
if (pSym is ILineSymbol)
{
ISegmentCollection polyline = new ESRI.ArcGIS.Geometry.PolylineClass();
ISegment line = new ESRI.ArcGIS.Geometry.LineClass();
IPoint fromPoint = new PointClass();
fromPoint.PutCoords(pBox.Left, pBox.Bottom);
IPoint toPoint = new PointClass();
toPoint.PutCoords(pBox.Right, pBox.Top);
line.FromPoint = fromPoint;
line.ToPoint = toPoint;
object missing = Type.Missing;
polyline.AddSegment(line, ref missing, ref missing);
pGeometry = polyline as IGeometry;
}
if (pSym is IFillSymbol)
{
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(pBox.Left, pBox.Top, pBox.Right, pBox.Bottom);
pGeometry = pEnvelope;
}
pDisplayTrans = getTransformation(pBox) as IDisplayTransformation;
pSym.SetupDC(pBox.Handle.ToInt32(), null);
pSym.ROP2 = esriRasterOpCode.esriROPCopyPen;
pSym.Draw(pGeometry);
pSym.ResetDC();
}
private Bitmap DrawToPictureBox(ISymbol pSym, PictureBox pBox)
{
IPoint pPoint = null;
IGeometry pGeometry = null;
int hDC;
System.Drawing.Graphics pGraphics = null;
pGraphics = System.Drawing.Graphics.FromHwnd(pBox.Handle);
//clear drawing canvas
pGraphics.FillRectangle(System.Drawing.Brushes.White, pBox.ClientRectangle);
if (pSym is IMarkerSymbol)
{
pPoint = new PointClass(); //the geometry of a MarkerSymbol
pPoint.PutCoords(pBox.Width / 2, pBox.Height / 2); //center in middle of pBox
pGeometry = pPoint;
}
if (pSym is ILineSymbol)
{
ISegmentCollection polyline = new ESRI.ArcGIS.Geometry.PolylineClass();
ISegment line = new ESRI.ArcGIS.Geometry.LineClass();
IPoint fromPoint = new PointClass();
fromPoint.PutCoords(pBox.Left, pBox.Bottom);
IPoint toPoint = new PointClass();
toPoint.PutCoords(pBox.Right, pBox.Top);
line.FromPoint = fromPoint;
line.ToPoint = toPoint;
object missing = Type.Missing;
polyline.AddSegment(line, ref missing, ref missing);
pGeometry = polyline as IGeometry;
}
if (pSym is IFillSymbol)
{
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(pBox.Left, pBox.Top, pBox.Right, pBox.Bottom);
pGeometry = pEnvelope;
}
hDC = GetDC(pBox.Handle.ToInt32());
pSym.SetupDC(hDC, null);
pSym.ROP2 = esriRasterOpCode.esriROPCopyPen;
pSym.Draw(pGeometry);
pSym.ResetDC();
Bitmap image = new Bitmap(pBox.Width, pBox.Height, pGraphics);
Graphics g2 = Graphics.FromImage(image);
//获得屏幕的句柄
IntPtr dc3 = pGraphics.GetHdc();
//获得位图的句柄
IntPtr dc2 = g2.GetHdc();
BitBlt(dc2, 0, 0, pBox.Width, pBox.Height, dc3, 0, 0, SRCCOPY);
pGraphics.ReleaseHdc(dc3);//释放屏幕句柄
g2.ReleaseHdc(dc2);//释放位图句柄
//image.Save("c:\\MyJpeg.Icon", ImageFormat.Bmp);
return image;
}
