Develop your own window image capture tools to capture any active window or inactive window ( hidden windows or background windows) image and save it to the BMP file or JPEG file. It has following features, 1. Capture any part of the screen with any size; 2. Capture any active window image or active child window image; Add any note underneath the image; 3. Capture any background (hidden) window image of the same application; 4. Capture the background hidden child window image of the sample application; 5. Copy any captured image into Clipboard; 6. Copy any Clipboard image back to screen image containers. 7. Save the window images into BMP files; 8. Save the window images into JPEG files; The most powerful feature is capability to capture the background window image even the window is invisible.