Graph controls
For 3-D graphs, specifies the depth of the graph as a percentage of its width. The default is 100 percent.
Display the General page of the graph control’s Properties view.
Select a 3-D type of graph from the GraphType drop-down list.
Use the Depth slider control to set the Depth to the desired percentage of width.
The Depth property takes an integer. This example specifies that the depth of the graph is 50% of its width:
gr_1.Depth = 50
To set the Depth property: