Custom dialog initialisation help please...

Hi there,

I'm having trouble with passing the information returned from a app.browseForDoc within a custom dialog. The app.browseForDoc is assigned to a button, which triggers ok, however I'm encountering 'undefined' when I try to get the filename or file path of the file selected.

I think it's the way I'm initialising the variable used to store and return the info from the app.browseForDoc. I've tried initialising 'baseFile' in a few different ways but I'm still having problems.

Please can someone help me.

Thanks in advance.

Here's my code so far:

var oDlg = {
	strName: "", initialize: function(dialog) { 
	    dialog.load({"usnm":this.strName}, this.baseFile = ""); },
        commit: function(dialog) { 
              var data = dialog.store();
              this.strName = data[ "usnm"];
    	      var baseFile = dialog.store();
              this.baseFile = data[ "baseFile"];
      	  },
		butn: app.trustedFunction(function(dialog) {
        	app.beginPriv();
        	  var baseFile = app.browseForDoc();
    	    app.endPriv();
			}),
        description: { name: "Test Dialog", elements: [
        	{ type: "view", elements: [
    	    	{ type: "button", item_id: "butn", name: "Select 1st pdf"},
        		{ name: "Enter no. of files:", type: "static_text", },
				{ item_id: "usnm", type: "edit_text", char_width: 15 },
				{ type: "ok_cancel", },
			] },
		] }
};

// Dialog Activation 
oDlg.strName = "765"; // Enter a default value of files to process 
if( "ok" == app.execDialog(oDlg)) { 
    console.println("Number of files to process: " + oDlg.strName);
    console.println("Selected base file: " + oDlg.baseFile);  
}