VEShapeLayer.GetShapeCount Method
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Returns the total number of shapes in the current layer.
VEShapeLayer.GetShapeCount();
Returns
An integer representing the total number of shapes in the current layer.
Example
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script type="text/javascript" src="https://ecn.dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6.3"></script>
<script type="text/javascript">
var map = null;
var links = "Click for info: <a href='#' onClick='ShapeLayerInfo(0)'>Base Layer</a><br/>";
var title = null;
var layer = null;
var selIndex = 0;
var index = 0;
var shapes = "";
var shapeID = null;
function GetMap()
{
map = new VEMap('myMap');
// SetDashboardSize must be called before calling LoadMap
map.SetDashboardSize("tiny");
map.LoadMap();
// Create some shape layers;
// generate some links with index values;
// display message with shape info on click.
for (var i = 1; i < 4; i++)
{
layer = "layer" + i;
layer = new VEShapeLayer();
layer.SetTitle("ShapeLayer" + i);
layer.SetDescription("This is ShapeLayer " + i + ".");
title = layer.GetTitle();
map.AddShapeLayer(layer);
links += "Click for info:" +
"<a href='#' onClick='ShapeLayerInfo(" + i + ")'>" +
title + "</a><br/>";
}
// Add a title and description for the base layer.
baseLayer = map.GetShapeLayerByIndex(0);
baseLayer.SetTitle("Base Layer");
baseLayer.SetDescription(
"This is the base layer. " +
"It always has index 0, and cannot be deleted.");
// Add links.
divInfo.innerHTML = links;
AddShapes();
IndexChanged(0);
}
// Add a shape to each layer.
function AddShapes()
{
var points = new Array(
new VELatLong(45.01188,-111.06687),
new VELatLong(45.01534,-104.06324),
new VELatLong(41.01929,-104.06),
new VELatLong(41.003,-111.05878)
);
for (var i = 0; i < 4; i++)
{
shape = new VEShape(VEShapeType.Pushpin, points[i]);
layer = map.GetShapeLayerByIndex(i);
shape.SetDescription("This is pushpin " + i + ".");
shape.SetTitle("Pushpin " + i);
layer.AddShape(shape);
}
map.SetMapView(points);
}
// Display some info about each layer when the link is clicked.
function ShapeLayerInfo(index)
{
var layer = map.GetShapeLayerByIndex(index);
var count = layer.GetShapeCount();
alert("Title: " + layer.GetTitle() + "\nIndex: " +
index + "\nDescription: " + layer.GetDescription() +
"\nShape Count: " + count);
}
// Hide the layer at the selected index.
function HideLayer()
{
layer = map.GetShapeLayerByIndex(selIndex);
if(layer.IsVisible())
{
layer.Hide();
}
}
// Hide all layers.
function HideAllLayers()
{
map.HideAllShapeLayers();
}
// Show all layers.
function ShowAllLayers()
{
map.ShowAllShapeLayers();
}
// Make the layer at the selected index visible again.
function ShowLayer()
{
layer = map.GetShapeLayerByIndex(selIndex);
if(!layer.IsVisible())
{
layer.Show();
}
}
// Add a shape to the center of the layer at the selected index.
function AddShapeToLayer()
{
var center = new VELatLong();
center = map.GetCenter();
shape = new VEShape(VEShapeType.Pushpin, center);
shape.SetTitle("Another new shape");
layer = map.GetShapeLayerByIndex(selIndex);
layer.AddShape(shape);
AdjustView();
IndexChanged(selIndex);
}
// Delete all shapes within the layer at the selected index.
function DeleteAllShapes()
{
layer = map.GetShapeLayerByIndex(selIndex);
layer.DeleteAllShapes();
IndexChanged(selIndex);
}
// Delete the specified shape within the specified layer.
function DeleteOneShape(shapeIdx, layerIdx)
{
if (shapeIdx != null && layerIdx != null)
{
try
{
layer = map.GetShapeLayerByIndex(layerIdx);
shape = layer.GetShapeByIndex(shapeIdx);
layer.DeleteShape(shape);
IndexChanged(selIndex);
}
catch(e)
{
alert(e.message);
}
}
else
{
alert("The specified shape, or layer, does not exist.");
}
}
// Update hyperlinks when the index selection changes, and shapes are added/removed.
function IndexChanged(index)
{
selIndex = index;
layer = map.GetShapeLayerByIndex(index);
count = layer.GetShapeCount();
var links = "<a href='#' id='HideLayer' onclick='HideLayer()'>Click to hide " +
layer.GetTitle() + "</a><br />";
links += "<a href='#' id='ShowLayer' onclick='ShowLayer()'>Click to show " +
layer.GetTitle() + "</a><br />";
links += "<a href='#' id='HideAllLayers' onclick='HideAllLayers()'>" +
"Click to hide all layers</a><br />";
links += "<a href='#' id='ShowAllLayers' onclick='ShowAllLayers()'>" +
"Click to show all layers</a><br />";
links += "<a href='#' id='AddShapeToLayer' onclick='AddShapeToLayer()'>" +
"Click to add a shape to the center of " + layer.GetTitle() + "</a><br />";
links += "<a href='#' id='DeleteAllShapes' onclick='DeleteAllShapes()'>" +
"Click to delete all shapes from " + layer.GetTitle() + "</a><br />";
links += "Click to delete a shape: ";
for (var i = 0; i < count; i++)
{
shape = layer.GetShapeByIndex(i);
shapeID = shape.GetID();
links += "<a href='#' id='DeleteOneShape' onclick='DeleteOneShape(" + i +
", " + selIndex + ")'>" + shapeID + "</a> | ";
}
divLinks.innerHTML = links;
}
// Adjust the map view when a shape is added.
function AdjustView()
{
// Click and drag the map a bit, and add a pushpin to the center
// to see VEGetBoundingRectangle in action.
layer = map.GetShapeLayerByIndex(selIndex);
rect = layer.GetBoundingRectangle();
count = layer.GetShapeCount();
map.SetMapView(rect);
if (count <= 1)
{
map.SetZoomLevel(7);
}
}
</script>
</head>
<body onload="GetMap();" style="font-family:Arial">
<div id='myMap' style="position:relative; width:400px; height:400px;"></div>
Select a Layer by Index:
<form id="indexRadio">
0<input name="radio" type="radio" value="0" onclick="IndexChanged(0)" checked="checked"/>
1<input name="radio" type="radio" value="1" onclick="IndexChanged(1)"/>
2<input name="radio" type="radio" value="2" onclick="IndexChanged(2)"/>
3<input name="radio" type="radio" value="3" onclick="IndexChanged(3)"/>
</form>
<div id="divLinks"></div>
<div id="divShapes"></div>
<div id="divInfo"></div>
</body>
</html>