To place a Circle in Square Box Panel by Texturing

I want to place the Circle or PPI Rings that is a MFC ActiveX Control in a Panel like Square Box by applying Texturing to it.I want to project this PPI Display Ctrl in a Square type Radar Panel, it should be in a realistic manner as if we see in a Real Radar Displays.

 The Perfect example, the display with a Panel i want is... Assume that Computer Screen is My Circle and I want to texture that Square Box to Project as a Real Computer Monitor by Placing the Screen inside the Monitor with good outline by all sides as 3d Projection.

Please give me a fine solution to solve this problem…