Yes, that is how it's supposed to be.
If you want to assign the label style, you must set many of the required
properties for a
label style object:
ar.Label = new TextSymbolType();
ar.Label.BackgroundColor = System.Drawing.Color.FromArgb(0,
System.Drawing.Color.White); //Transparent
ar.Label.ForegroundColor = System.Drawing.Color.Black;
ar.Label.Unit = LengthUnitType.Points;
ar.Label.SizeX = "12";
ar.Label.SizeY = "12";
ar.Label.FontName = "Arial";
I think those are the required ones, but I have not tested it.
Regards, Kenneth Skovhede, GEOGRAF A/S
[email protected] skrev:
Hi,
I have tried it and written the following code. It works if I
check(select) the Display feature Labels in Label Style Dialog Box(in
maestro) and even don’t set any property, but It does not work if I
don’t check the Display feature Labels.
Means if there is text “None” set in Label Style in Area Style then
it does not work , otherwise it works by simply checking the Display
feature Labels in Label Style Dialog Box.
That’s why in your example code, this code “if (ar.Label != null)” is
written.
But my problem is that I do have Only Area style defined in maestro ,
but I have not defined any property as feature label. So I don’t want
to check the Display feature Labels checkbox, To Generate the dynamic
label I tried to write my commented line of code (c#), but does not work.
Please If can be done ?
foreach (VectorScaleRangeType vsr in
vectorLayerDefinition1.VectorScaleRange)
{
foreach (object o in vsr.Items)
{
if (o is AreaTypeStyleType)
{
AreaTypeStyleType ast = o as AreaTypeStyleType;
if (ast.AreaRule != null)
{
foreach (AreaRuleType ar in ast.AreaRule)
{
//Code to Create the label at
run time
//====================================
//TextSymbolType txtSymb = new
TextSymbolType();
//txtSymb.Text = "MY_PROPERTY_NAME";
//ar.Label = txtSymb;
//====================================
if (ar.Label != null)
{
ar.Label.Text = "MY_PROPERTY_NAME ";
}
}
}
}
}
}
*Thanks & Regards,*
Ravinder
------------------------------------------------------------------------
*From:* [email protected]
[mailto:[email protected]] *On Behalf Of *Kenneth
Skovhede, GEOGRAF A/S
*Sent:* Thursday, March 05, 2009 1:12 PM
*To:* MapGuide Users Mail List
*Subject:* Re: [mapguide-users] Regarding - Set Feature Label at Run Time
That is a bit difficult for two reasons.
1) The MapGuide style model is fairly large, so there are many
subitems to examine
2) The styles for Point, Line and Area don't share the same
properties, so they must be handled individually.
I have put up an example on how to do this here:
http://trac.osgeo.org/mapguide/wiki/maestro/MaestroAPI/samples/IterateLayerRules
Regards, Kenneth Skovhede, GEOGRAF A/S
[email protected] <mailto:[email protected]> skrev:
Hi All,
I have to set a property as Feature Label for a layer at run time. I
got some hints and tried with VectorLayerDefinitionType and
TextSymbolType.But not able to do so as I don’t know the exact procedure.
I am using maestro api for creating run time map.
Please assist…
I am using c#, asp.net.
*Thanks & Regards,*
Ravinder
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