[OpenLayers-Users] vendorParams in wmsGetFeatureInfo

[vrbikdan]

Hi all,
I'll try to explain my problem. I have a few layers and only one is visible
and I need to use wmsGetFeatureInfo for another layer (this layer is not
visible). But I need to change layer for WMSGFI dynamicaly (after every
click in my map). So I am able to store name of this layer I need in some
variable and I need to push this variable to WMSGFI. I tried to use
vendorParams in beforegetfeatureinfo, but from some reason it doesn't work.
Can you tel me, wich way I can achieve my goal, changing layer in WMSGFI?
Code is below.

function infoDrillD(){
	
	infoDrillVarD = new OpenLayers.Control.WMSGetFeatureInfo({
            url: "http://192.168.1.92:8080/geoserver/zk/wms",
            queryVisible: false,
            eventListeners: {
				beforegetfeatureinfo: function(ev){
					this.vendorParams= {layers: [layers[variable]]};//this variable store  
                                                                                                       
//layer I want to use
				},		
				getfeatureinfo: function(event) {
					 for (var i = 0; i < event.features.length; i++) {
                                         feature = event.features[i];
                                         var attDrill = feature.attributes;
					   zona=attDrill.zona;
					   xx=attDrill.id;
					   alert(xx);
			}}}
			});
	
	map.addControl(infoDrillVarD);
	infoDrillVarD.activate();
	
}

I hope that I explain it well :) Thanks for your help,
Dan

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