public void buildGui()
    	{
    		var topPanel = this.add_Panel();
    		Path = topPanel.insert_Above<TextBox>(20);
			sourceCode = topPanel.add_SourceCodeEditor();
			dataGridView = sourceCode.insert_Above<Panel>(100).add_DataGridView();
			leftPanel = topPanel.insert_Left<Panel>(300);									
			
			Path.onEnter(loadFiles);
			Path.onDrop(
				(fileOrFolder)=>{
									Path.set_Text(fileOrFolder);
									loadFiles(fileOrFolder);
								}); 	   	   	   	   
			dataGridView.SelectionChanged+= 
				(sender,e) => {
						if (dataGridView.SelectedRows.size() == 1)
						{
							var selectedRow = dataGridView.SelectedRows[0]; 
							var filePath = selectedRow.Cells[0].Value.str();
							var filename = selectedRow.Cells[1].Value.str();
							var lineNumber = selectedRow.Cells[2].Value.str();
							"opening up source code: {0}".info(filePath);
							sourceCode.open(filePath.pathCombine(filename));  
							sourceCode.gotoLine(lineNumber.toInt() + 1);
							dataGridView.focus();
						}
				  };
								
		}