/// <summary>
/// getLineFillSymbol
/// </summary>
/// <param name="color">color</param>
/// <param name="angle">angle</param>
/// <param name="offset">offset</param>
/// <param name="separation">separation</param>
/// <param name="linesymbol">linesymbol</param>
/// <param name="outline">outline</param>
/// <returns>ILineFillSymbol</returns>
public ILineFillSymbol getLineFillSymbol(
IRgbColor color = null,
double angle = 60,
double offset = 1,
double separation = 1,
ILineSymbol linesymbol = null,
ILineSymbol outline = null)
{
ILineFillSymbol lineFillSymbol = new LineFillSymbol();
if (color == null)
{
color = getRGB(210, 36, 240) as IRgbColor;
}
if (linesymbol == null)
{
linesymbol = CreateSimpleLineSymbol(getRGB(55, 90, 180) as IRgbColor, 2, esriSimpleLineStyle.esriSLSDot);
}
if (outline == null)
{
outline = CreateSimpleLineSymbol(getRGB(155, 190, 180) as IRgbColor, 3, esriSimpleLineStyle.esriSLSDash);
}
lineFillSymbol.Color = color;
lineFillSymbol.Angle = angle;
lineFillSymbol.Offset = offset;
lineFillSymbol.Separation = separation;
lineFillSymbol.Outline = outline;
lineFillSymbol.LineSymbol = linesymbol;
return(lineFillSymbol);
}
//MultilayerFillSymbol
private void button17_Click(object sender, EventArgs e)
{
IMultiLayerFillSymbol multiLayerFillSymbol = new MultiLayerFillSymbolClass();
IGradientFillSymbol gradientFillSymbol = new GradientFillSymbolClass();
IAlgorithmicColorRamp algorithcColorRamp = new AlgorithmicColorRampClass();
algorithcColorRamp.FromColor = getRGB(255, 0, 0);
algorithcColorRamp.ToColor = getRGB(0, 255, 0);
algorithcColorRamp.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
gradientFillSymbol.ColorRamp = algorithcColorRamp;
gradientFillSymbol.GradientAngle = 45;
gradientFillSymbol.GradientPercentage = 0.9;
gradientFillSymbol.Style = esriGradientFillStyle.esriGFSLinear;
ICartographicLineSymbol cartoLine = new CartographicLineSymbol();
cartoLine.Cap = esriLineCapStyle.esriLCSButt;
cartoLine.Join = esriLineJoinStyle.esriLJSMitre;
cartoLine.Color = getRGB(255, 0, 0);
cartoLine.Width = 2;
//Create the LineFillSymbo
ILineFillSymbol lineFill = new LineFillSymbol();
lineFill.Angle = 45;
lineFill.Separation = 10;
lineFill.Offset = 5;
lineFill.LineSymbol = cartoLine;
multiLayerFillSymbol.AddLayer(gradientFillSymbol);
multiLayerFillSymbol.AddLayer(lineFill);
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(multiLayerFillSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
public static ISymbol CreateLineFillSymbol(Color fillColor, int oLineWidth, esriSimpleFillStyle fillStyle)
{
ILineFillSymbol pLineFillSymbol;
pLineFillSymbol = new LineFillSymbol();
pLineFillSymbol.LineSymbol = (ILineSymbol)CreateSimpleLineSymbol(Color.Yellow, 1, esriSimpleLineStyle.esriSLSSolid);
pLineFillSymbol.Separation = 5;
pLineFillSymbol.Color = GetColor(fillColor.R, fillColor.G, fillColor.B);
pLineFillSymbol.Outline = (ILineSymbol)CreateSimpleLineSymbol(fillColor, 2, esriSimpleLineStyle.esriSLSSolid);
return((ISymbol)pLineFillSymbol);
}
//LineFillSymbol
private void button13_Click(object sender, EventArgs e)
{
ICartographicLineSymbol cartoLine = new CartographicLineSymbol();
cartoLine.Cap = esriLineCapStyle.esriLCSButt;
cartoLine.Join = esriLineJoinStyle.esriLJSMitre;
cartoLine.Color = getRGB(255, 0, 0);
cartoLine.Width = 2;
//Create the LineFillSymbo
ILineFillSymbol lineFill = new LineFillSymbol();
lineFill.Angle = 45;
lineFill.Separation = 10;
lineFill.Offset = 5;
lineFill.LineSymbol = cartoLine;
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(lineFill as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
