The method is as follows:

1. Normal installation of AutoCAD2007 or above is required (the test environment is AutoCAD2007).

2. The picture frame is required to be a block.

3. The block height is consistent with the size of A0 or A1 (see test file).

4. The program simulates manual printing, and the mouse and keyboard cannot be touched during the printing process.

5. The printed file is in PDF format.