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Article #17223Intercepting/Hooking all print messages for the printers
From: Zack Wickes
Date: Sun, 30 Mar 2003 01:01
Date: Sun, 30 Mar 2003 01:01
17 lines
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1513 bytes
Hi, I need to have my program hook into Windows such that I know when any print job (from any and all process spaces) is sent to a printer and how many pages the job is. I started down the path of installing a global windows hook using a dll with SetWindowsHookEx(), but now I am not sure what message to intercept since WM_PRINT seems to be called whenever a GDI object needs to print itself onto an HDC.... besides - I dont see any access to a structure that contains the information I need about the number of pages in the job as a result of the WM_PRINT message...... All help appreciated. Builder 6. Zack.
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