//プロジェクト名print002 C++ソースファイルprint002.cpp
#include <windows.h>
int a1,a2,a3,a4;
int pre1,pre2,pre3,pre4;
DWORD oldprotect;
long hdc01;
typedef int (__stdcall * f_printa)(struct tagPDA *);
f_printa printa;
CONST DOCINFO *lpdi;
int __stdcall temp01(HDC hdc,CONST DOCINFO *lpdi);
int __stdcall temp02(struct tagPDA &lppd01);
int __stdcall temp01(HDC hdc,CONST DOCINFO *lpdi)
{
	hdc01=(long)hdc;
	VirtualProtect((LPVOID)a1,16,PAGE_EXECUTE_READWRITE,&oldprotect);
	__asm
	{
		mov esi,a1
		mov eax,pre1
		mov [esi],eax
		mov eax,pre2
		mov [esi+4],eax
	}
	VirtualProtect((LPVOID)a1,16,PAGE_EXECUTE,&oldprotect);
	FlushInstructionCache((HANDLE)a1,(LPCVOID)a1,16);
	int n=StartDoc( hdc , lpdi);
	return n;
}
int __stdcall temp02(struct tagPDA &lppd01)
{
	VirtualProtect((LPVOID)a3,16,PAGE_EXECUTE_READWRITE,&oldprotect);
	__asm
	{
		mov esi,a3
		mov eax,pre3
		mov [esi],eax
		mov eax,pre4
		mov [esi+4],eax
	}
	VirtualProtect((LPVOID)a3,16,PAGE_EXECUTE,&oldprotect);
	FlushInstructionCache((HANDLE)a3,(LPCVOID)a3,16);
	int n;
	if ((lppd01.Flags & PD_RETURNDEFAULT)!=0)
	{
		n=(int)printa(&lppd01);
		VirtualProtect((LPVOID)a3,16,PAGE_EXECUTE_READWRITE,&oldprotect);
		__asm
		{
			mov esi,a3
			mov al,0xB8
			mov [esi],al
			mov eax,a4
			mov [esi+1],eax
			mov ax,0xC350
			mov [esi+5],ax
		}
		VirtualProtect((LPVOID)a3,16,PAGE_EXECUTE,&oldprotect);
		FlushInstructionCache((HANDLE)a3,(LPCVOID)a3,16);
	}
	else
	{
//		lppd01.hDevMode=0;
//		lppd01.hDevNames=0;
//		lppd01.Flags=(lppd01.Flags | PD_RETURNDEFAULT);
//リターンキーを押す操作
		keybd_event( VK_RETURN, 0, 0, 0 );
//リターンキーを離す操作
		keybd_event( VK_RETURN, 0, KEYEVENTF_KEYUP, 0);
		n=(int)printa(&lppd01);
	}
	return n;
}
extern "C" {
__declspec(dllexport) int returndefault01(void);
__declspec(dllexport) int hookstartdoc01(void);
__declspec(dllexport) long gethookdc01(void);
__declspec(dllexport) int startdoc01(long hDC,char * string01);
__declspec(dllexport) int returndefault01(void)
{
	LPVOID hcomdlg32;
	hcomdlg32 = LoadLibrary("comdlg32.dll");
	a3 = (int)GetProcAddress(hcomdlg32, "PrintDlgA");
	printa = (int (__stdcall *)(struct tagPDA *))GetProcAddress(hcomdlg32, "PrintDlgA");
	FreeLibrary(hcomdlg32);
	a4=(int)temp02;
	VirtualProtect((LPVOID)a3,16,PAGE_EXECUTE_READWRITE,&oldprotect);
	__asm
	{
		mov esi,a3
		mov eax,[esi]
		mov pre3,eax
		mov eax,[esi+4]
		mov pre4,eax
		mov al,0xB8
		mov [esi],al
		mov eax,a4
		mov [esi+1],eax
		mov ax,0xC350
		mov [esi+5],ax
	}
	VirtualProtect((LPVOID)a3,16,PAGE_EXECUTE,&oldprotect);
	FlushInstructionCache((HANDLE)a3,(LPCVOID)a3,16);
	return (1);
}
__declspec(dllexport) int hookstartdoc01(void)
{
	a1=(int)StartDoc;
	a2=(int)temp01;
	VirtualProtect((LPVOID)a1,16,PAGE_EXECUTE_READWRITE,&oldprotect);
	__asm
	{
		mov esi,a1
		mov eax,[esi]
		mov pre1,eax
		mov eax,[esi+4]
		mov pre2,eax
		mov al,0xB8
		mov [esi],al
		mov eax,a2
		mov [esi+1],eax
		mov ax,0xC350
		mov [esi+5],ax
	}
	VirtualProtect((LPVOID)a1,16,PAGE_EXECUTE,&oldprotect);
	FlushInstructionCache((HANDLE)a1,(LPCVOID)a1,16);
	return (1);
}
long gethookdc01(void)
{
	return (hdc01);
}
int startdoc01(long hDC,char * string01)
{
	DOCINFO info01;
	info01.cbSize=20;
	info01.lpszDocName=string01;
	info01.lpszOutput=0;
	info01.lpszDatatype=0;
	info01.fwType=0;
	StartDoc((void *)hDC,&info01);
	return (1);
}
}