Bug 163636 "controlType" and "mustMatch" should be matched
If "controlType" is combo-box, "mustMatch" should be false; else "controlType" is list-box, "mustMatch" should be true.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
return false;
	}
	private void popupFormatBuilder( boolean refresh )
	{
		String type = getSelectedDataType( );
		int style;
		if ( DesignChoiceConstants.PARAM_TYPE_BOOLEAN.equals( type ) )
		{
			return;
		}
		if ( DesignChoiceConstants.PARAM_TYPE_STRING.equals( type ) )
		{
			style = FormatBuilder.STRING;
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_DATETIME.equals( type ) )
		{
			style = FormatBuilder.DATETIME;
		}
		else
		{
			style = FormatBuilder.NUMBER;
		}
		FormatBuilder formatBuilder = new FormatBuilder( style );
		formatBuilder.setInputFormat( formatCategroy, formatPattern );
		formatBuilder.setPreviewText( defaultValue );
		if ( formatBuilder.open( ) == OK )
		{
			formatCategroy = ( (String[]) formatBuilder.getResult( ) )[0];
			formatPattern = ( (String[]) formatBuilder.getResult( ) )[1];
			updateFormatField( );