private ILineSymbol CreateNewSymbol(int type)
{
ILineSymbol simpleLineSymbolClass = null;
switch (type)
{
case 0:
{
simpleLineSymbolClass = new SimpleLineSymbolClass();
break;
}
case 1:
{
simpleLineSymbolClass = new CartographicLineSymbolClass();
break;
}
case 2:
{
simpleLineSymbolClass = new MarkerLineSymbolClass();
break;
}
case 3:
{
simpleLineSymbolClass = new HashLineSymbolClass();
break;
}
case 4:
{
simpleLineSymbolClass = new PictureLineSymbolClass();
break;
}
case 5:
{
simpleLineSymbolClass = new SimpleLine3DSymbolClass();
break;
}
case 6:
{
simpleLineSymbolClass = new TextureLineSymbolClass();
break;
}
}
return(simpleLineSymbolClass);
}
//HashLineSymbol
private void button9_Click(object sender, EventArgs e)
{
IHashLineSymbol hashLineSymbol = new HashLineSymbolClass();
ILineProperties lineProperties = hashLineSymbol as ILineProperties;
lineProperties.Offset = 0;
double[] dob = new double[6];
dob[0] = 0;
dob[1] = 1;
dob[2] = 2;
dob[3] = 3;
dob[4] = 4;
dob[5] = 5;
ITemplate template = new TemplateClass();
template.Interval = 1;
for (int i = 0; i < dob.Length; i += 2)
{
template.AddPatternElement(dob[i], dob[i + 1]);
}
lineProperties.Template = template;
hashLineSymbol.Width = 2;
hashLineSymbol.Angle = 45;
IRgbColor hashColor = new RgbColor();
hashColor = getRGB(0, 0, 255);
hashLineSymbol.Color = hashColor;
IPolyline polyline = new PolylineClass();
IPoint point = new PointClass();
point.PutCoords(1, 1);
polyline.FromPoint = point;
point.PutCoords(10, 10);
polyline.ToPoint = point;
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(hashLineSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolyline(polyline as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
activeView.ScreenDisplay.FinishDrawing();
}