Extjs 如何设置 弹出消息框Msg位置
请问如何固定Extjs 里面 弹出的Msg在页面上显示的位置，比如：
[解决办法]
之前用过的都是居中弹出，不过你可以试试X和Y
x : Number

The X position of the left edge of the window on initial showing. Defaults to centering the Window within the width of the Window's container Element (The Element that the Window is rendered to).