Protocol Handler Launcher | Developer's Notes

; #########################################################################


;   Launches a Program when registered as a Protocol Handler

;   The protocol is stripped from the argument (here hardcoded 7 digits "abcdef:")
; #########################################################################
      .386

      .model flat, stdcall  ; 32 bit memory model

      option casemap :none  ; case sensitive
      include \MASM32\INCLUDE\windows.inc

      include \MASM32\INCLUDE\kernel32.inc

      include \MASM32\INCLUDE\shell32.inc

      include \MASM32\INCLUDE\masm32.inc

      include \masm32\macros\macros.asm
      includelib \MASM32\LIB\kernel32.lib

      includelib \MASM32\LIB\shell32.lib

      includelib \MASM32\LIB\masm32.lib
      Init  PROTO

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.data

    open     db "open",0

    dir      db 512 dup (0)  ; buffer for command line

    file     db 1024 dup (0) ; buffer for the file to open

    protocol db 64 dup (0)   ; buffer for the Protocol Handler part
.code
start:
    invoke GetCL,1,ADDR dir

    invoke GetCL,2,ADDR file
    mov edi, ptr$(protocol)  ; put pointer to protocol

    invoke ShellExecute,0,ADDR open,ADDR dir,ADDR file+7,NULL,SW_SHOW  ; strip calldw:

    invoke ExitProcess,eax
end start

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