Expected Results:

New a Text Document;

Create a chart with any type in the new created document;

Select the Wall inside the new created chart;

The Wall could be selected;

Right click on the Wall

The item 'Position and Size...' inside the pop up context menu;

Choose the item 'Position and Size...' item

The 'Position and Size' dialog created correctly;

All elements inside group 'Protect' are disabled;

The check box 'Keep ratio' should be checked; is enabled, and is not checked (Modified by zongdj)

Change value inside spin box 'Position X' to '4'

Change value inside spin box 'Position Y' to '2'

Change value inside spin box 'Width' to '4'

The value inside spin box 'Height' should be changed to 2.28

Press the 'Reset' push button;

All changes in step 6-8 return to initial values;

Change the selected point in 'Base Point' to the middle-center one;

Repeat step 6-8;

Press the 'OK' push button

The dialog closed correctly;

All changes given in step 10-11 applied to Wall correctly;

Choose item by Main Menu-)Format-)Position and Size...

The 'Position and Size' dialog created correctly;

All elements inside group 'Protect' are disabled;

The value of 'Position X', 'Position Y' and Base Point keep the value as set in step 10-11;

Press the 'Cancel' push button

The dialog closed correctly;

The legend has no change;

Press short cut key 'CTRL'+Z

The modifications in step 10-11 should be undone;

Choose item by Main Menu-)Edit-)Redo

The modifications undone in 15 should be redone;