Expected Results:

New a Text Document;

Go to main menu, select Insert-)Object-)Chart and create 2D chart;

Double click on the chart to trigger the Chart Wall dialogue;

The Chart Wall dialogue should pop out;

Go to Area tab and select color from drop down combo box from Fill; then go to Transparency tab;

From the Transparency mode, select no transparency;

Verify no transparency applied for the selected color;

Select transparency radio box and change its value by up/down arrow, from 0% to 100%;

Select Reset button,

Verify the color will become increasingly transparent as the value increases; and when the value is 100%, it become blank area;

The value will restore to initial one;

Select gradient radio button and change the type, CenterX CenterY, Angle, Border, Start Value and End Value for the area;

Select the reset button;

Verify the style will change accordingly;

The changes will restore to initial one;

Repeat step4 to step7 for Gradient;

The same as above;

Repeat step4 to step7 for Hatching;

The same as above;

Repeat step4 to step7 for Bitmap;

The same as above;

Click on the CANCEL button of the dialogue;

NO changes applies;

Click undo/redo from the edit menu;

Verify the undo and redo works correctly;