Window size store so that next time when opened it is the same as before

I have a window(MDI ) create,when it is opened by application,i 开发者_开发技巧will increase it size by dragging,and close it.so next time if i open it,the size has to new one.Values have to be stored in INI,i know this,but how to get the exact coordinates so that it can used later to open it

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The window object should have the following properties:

• Top
• Left
• Height
• Width