A-PDF Watermark Command Line Usage:

 PWMCMD <Input File> [-S<Password>] <Watermarks|wm file>
       [-O<Output File Name>] [-U"<Macro Name>=<Macro Value>,
       <Macro Name>=<Macro Value>,..."]
       
Return code:
0: Success
2: Input file does not exist
3: Load Input file failed
4: Output file error
5: Some watermark not found
6: No watermark list
7: Create Output file failed
8: Load watermark list fail 

Example:
1. PWMCMD c:\pdfs\doc.pdf "Text - FINAL"'2. PWMCMD c:\pdfs\doc.pdf "FINAL" "Com Logo" -O"c:\pdfs\out.pdf"'
3. PWMCMD "c:\pdfs\doc.pdf" "C:\Watermark\doMark.wm" -o"c:\pdfs\out.pdf" 
4. PWMCMD c:\pdfs\doc.pdf "MacroWatermark" -O"c:\pdfs\out.pdf"
          -U"mymacroA=companyA,InputName=clientA"

MEMO: "Text - FINAL" is a watermark item defined by A-PDF 
      Watermark GUI(PDFWM.exe), you can display all watermark 
      items by Using Command: PWMCmd.exe -list
