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	Dim hKey As HKEY
	Dim file As String
	Dim ico As String, pg As String

	Dim buf As String

	buf=String$(255,Chr$(0))
	GetModuleFileName(0,buf,255)

	file="SafetyNoteFile"
	RegCreateKeyEx(HKEY_CLASSES_ROOT,".snf",0,NULL,REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,ByVal 0,hKey,0)
	RegSetValueEx(hKey,0,0,REG_SZ,file,Len(file))
	RegCloseKey(hKey)

	ico=ZeroString(255)
	ico=Ex"\q"+buf
	lstrcat(ico,Ex"\q")
	lstrcat(ico,", 1")
	RegCreateKeyEx(HKEY_CLASSES_ROOT,"SafetyNoteFile\DefaultIcon",0,NULL,REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,ByVal 0,hKey,0)
	RegSetValueEx(hKey,0,0,REG_SZ,ico,Len(ico))
	RegCloseKey(hKey)

	pg=ZeroString(255)
	pg=Ex"\q"+buf
	lstrcat(pg,Ex"\q")
	lstrcat(pg," %1")
	RegCreateKeyEx(HKEY_CLASSES_ROOT,"SafetyNoteFile\shell\open\command",0,NULL,REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,ByVal 0,hKey,0)
	RegSetValueEx(hKey,0,0,REG_SZ,pg,Len(pg))
	RegCloseKey(hKey)

Dim cFile As String    ' グローバル変数

Sub MainWnd_Create(ByRef CreateStruct As CREATESTRUCT)
	Dim cbuffer As String
	Dim hTop As Long
	Dim hEnd As Long

	cbuffer=GetCommandLine()
	hTop=InStr(2,cbuffer,Ex"\q")-2

	hTop=InStr(hTop,cbuffer,Ex"\q")+3
	hEnd=InStr(hTop,cbuffer,Ex"\q")

	' -----------------------
	' その他の処理
	' -----------------------

	cFile=Mid$(cbuffer,hTop,hEnd-hTop)
	If lstrcmpi(cFile,"")<>0 Then CommandLine()    ' ファイルパスがあれば、CommandLine() を実行
End Sub

Sub CommandLine()
	Dim FileName[MAX_PATH-1] As Byte
	Dim res As Long
	Dim Ext[255] As Byte

	lstrcpy(FileName,cFile)
	res=PathFindExtension(FileName)
	wsprintf(Ext,"%s",res)

	Dim hFile As Long
	Dim dwFileSize As DWord
	Dim dwAccessByte As DWord
	Dim buffer As BytePtr
	Dim i As Long

	' 拡張子の判定
	If lstrcmpi(Ext,".snf")=0 Then
		CopyFile(FileName,temp,FALSE)

		For i=1 to 3
			HexadecimalDecode(hMainWnd,temp,out)
			If CopyFile(out,temp,FALSE)=FALSE Then
				MessageBox(hMainWnd,"エンコードに失敗",0,MB_OK or MB_ICONSTOP)
				Exit Sub
			End If
		Next i

		hFile=CreateFile(temp,GENERIC_READ,FILE_SHARE_READ or FILE_SHARE_WRITE,ByVal 0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0)
		If hFile=INVALID_HANDLE_VALUE Then
			MessageBox(hMainWnd,"ファイル オープンに失敗","SafetyNote",MB_OK or MB_ICONEXCLAMATION)
			Exit Sub
		End If

		dwFileSize=GetFileSize(hFile,0)
		buffer=malloc(dwFileSize+1)

		ReadFile(hFile,buffer,dwFileSize,VarPtr(dwAccessByte),ByVal 0)
		buffer[dwAccessByte]=0

		CloseHandle(hFile)

		SetWindowText(hEdit,buffer)

		SendMessage(hStatus,SB_SETTEXT,0,FileName)

		free(buffer)

	Else
		hFile=CreateFile(FileName,GENERIC_READ,FILE_SHARE_READ or FILE_SHARE_WRITE,ByVal 0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0)
		If hFile=INVALID_HANDLE_VALUE Then
			MessageBox(hMainWnd,"ファイル オープンに失敗","SafetyNote",MB_OK or MB_ICONEXCLAMATION)
			Exit Sub
		End If

		dwFileSize=GetFileSize(hFile,0)
		buffer=malloc(dwFileSize+1)

		ReadFile(hFile,buffer,dwFileSize,VarPtr(dwAccessByte),ByVal 0)
		buffer[dwAccessByte]=0

		CloseHandle(hFile)

		SetWindowText(hEdit,buffer)

		SendMessage(hStatus,SB_SETTEXT,0,FileName)

		free(buffer)
	End If

	SetFocus(hEdit)

	MainWnd_EditBox1_Change()
End Sub