Topic: kernel32 type is not defined

Message

Hi, I am learning to use dlls in my tests and I'm facing this problem
(don't seem to find anything exactly about this on the forum):

I need to change file compression and file encryption. So, I figured I need these functions:
 code:

[ ] use "mswtype.inc"
[ ] use "mswfun32.inc"
[ ] use "mswconst.inc"
[ ] 
[-] dll "kernel32.dll"	
	[ ] BOOL DeviceIoControl (HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, 
LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)	
	[ ] HANDLE CreateFile(LPCTSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
 LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
	[ ] BOOL CloseHandle(HANDLE hObject)

But when I compile this, I get error that types LPVOID, LPWORD, LPOVERLAPPED are not defined.

I
am clearly not including something, I just don't know what and how. I
don't think the includes above are useful, since the files contain no
related type or function declarations, but I've tried anyway

Author	Message
Amlika Newbie Joined: 26Apr2007 Online Status: Offline Posts: 1	Topic: kernel32 type is not defined Posted: 26Apr2007 at 10:12pm
	Hi, I am learning to use dlls in my tests and I'm facing this problem (don't seem to find anything exactly about this on the forum): I need to change file compression and file encryption. So, I figured I need these functions: code: [ ] use "mswtype.inc" [ ] use "mswfun32.inc" [ ] use "mswconst.inc" [ ] [-] dll "kernel32.dll" [ ] BOOL DeviceIoControl (HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped) [ ] HANDLE CreateFile(LPCTSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile) [ ] BOOL CloseHandle(HANDLE hObject) But when I compile this, I get error that types LPVOID, LPWORD, LPOVERLAPPED are not defined. I am clearly not including something, I just don't know what and how. I don't think the includes above are useful, since the files contain no related type or function declarations, but I've tried anyway Post Resume: Click here to Upload your Resume & Apply for Jobs

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Deepika Newbie Joined: 27Apr2007 Online Status: Offline Posts: 1	Posted: 27Apr2007 at 3:07am
	Hello, OPEN_EXISTING is 3 I found this through a web search for "const OPEN_EXISTING visualbasic". At the very least, a cache will have some code declaring the value. Sometimes it comes up on MSDN as the first link, often it is somewhere else. I don't know if Micro$oft banks on this.
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