Returns or sets the Rotation degree around the Y-axis i.e. in the X direction for 3d charts between 0 and 360 degrees. The property matches with the 21.2.2.158 rotY Y Rotation item in ECMA-376 and with the X Rotation option in PowerPoint 2007. Read/write UInt16....property Returns or sets the rotation degree around the Y-axis,... i.e. in the X direction for 3D charts (between 0 and 360 degrees)...