Re: How to process the msg when clicking outside a DoModal-Dialog? - C / C++ / MFC Discussion Boards

Re: Arrays from VC++ to VB using SAFEARRAY

JonEngle4-Nov-05 10:47

JonEngle

4-Nov-05 10:47

Try adding VT_BYREF to the vt for your variant

pVariant->vt= VT_ARRAY | VT_I4 | VT_BYREF

Just a thought.

What's the meaning of "USES_CONVERSION"

chenxiujie3-Nov-05 19:23

chenxiujie

3-Nov-05 19:23

Hello, everyone!

Who can tell me , what's the meaning of "USES_CONVERSION"?

Thanks a lot!

Re: What's the meaning of &quot;USES_CONVERSION&quot;

Rob Caldecott3-Nov-05 20:37

Rob Caldecott

3-Nov-05 20:37

It means that somewhere in the function are Unicode/ASCII conversion macros being used. For example:

USE_CONVERSION;
// Convert from ASCII to Unicode
LPCWSTR pszW = A2W("Hello, world!");

For more information:

http://www.codeproject.com/cpp/unicode.asp[^]
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_atl_string_conversion_macros.asp[^]

The Rob Blog
Google Talk: robert.caldecott

Re: What's the meaning of &amp;quot;USES_CONVERSION&amp;quot;

chenxiujie3-Nov-05 20:55

chenxiujie

3-Nov-05 20:55

You are so kind.
Thank you and best regards.

How to process the msg when clicking outside a DoModal-Dialog?

followait3-Nov-05 19:13

followait

3-Nov-05 19:13

I want to close the dialog, when i clicked outside.

Re: How to process the msg when clicking outside a DoModal-Dialog?

GflPower3-Nov-05 19:41

GflPower

3-Nov-05 19:41

Response this message WM_NCMBUTTONDOWN ;

d

Re: How to process the msg when clicking outside a DoModal-Dialog?

followait3-Nov-05 20:07

followait

3-Nov-05 20:07

I've tried both WM_NCMBUTTONDOWN and WM_NCLBUTTONDOWN, but neither works.

Re: How to process the msg when clicking outside a DoModal-Dialog?

BadKarma3-Nov-05 22:28

BadKarma

3-Nov-05 22:28

Hi
You need to lock the mouse cursor to your windows.
During this lock all messages will be parsed by you.

In the close function you can relase the mouse

If you use MFC you can call CWnd::SetCapture like this

<br />
BOOL CMyDlg::OnInitDialog()<br />
{<br />
...<br />
// Capture the mouse<br />
this->SetCapture();<br />
...<br />
}<br />

You then need to capture the WM_LBUTTONUP message since the whole desktop is now client arrea you will get this message then simply check whether the point is your window rectangle or not.

<br />
void CdlgcloseDlg::OnLButtonUp(UINT nFlags, CPoint point)<br />
{<br />
  CRect rtWnd;<br />
  GetWindowRect(&rtWnd);<br />
  ScreenToClient(&rtWnd);<br />
  <br />
  if(!rtWnd.PtInRect(point))<br />
  {<br />
    // Release the mouse<br />
    ReleaseCapture();<br />
    //  Invoke WM_QUIT<br />
    PostQuitMessage(0);  <br />
  } <br />
  <br />
  CDialog::OnLButtonUp(nFlags, point);<br />
}<br />

If you use the win32 API the funtions are:

<br />
SetCapture(HWND hWnd);<br />
ReleaseCapture();<br />

Hope that this is what you needed

codito ergo sum

Re: How to process the msg when clicking outside a DoModal-Dialog?

followait4-Nov-05 1:28

followait

4-Nov-05 1:28

I do it this way, but the controls in the dialog doesn't receive messages.

-- modified at 7:30 Friday 4th November, 2005

Re: How to process the msg when clicking outside a DoModal-Dialog?

BadKarma4-Nov-05 6:57

BadKarma

4-Nov-05 6:57

hi,

where do you capture the WM_LBUTTONUP (or DOWN) messages, in the messageloop of the dialog or in one of the child controls.

If you capture/process it in the messageloop of the dialog it should, work Confused | :confused:

I tried it with a small sample app and didn't get any problems

codito ergo sum

Re: How to process the msg when clicking outside a DoModal-Dialog?

followait4-Nov-05 16:27

followait

4-Nov-05 16:27

Could you send me your app source? I'm cofused.

Re: How to process the msg when clicking outside a DoModal-Dialog?

followait6-Nov-05 2:21

followait

6-Nov-05 2:21

There is no SetCapture?
Could you send me the whole project in an attachment? I want to try it. Thanks.

Re: How to process the msg when clicking outside a DoModal-Dialog?

followait13-Nov-05 2:08

followait

13-Nov-05 2:08

There is no SetCapture in the fragment.
Could send the whole project to me? I want to try it. Thank you.

Get Temporary Internet Files amount of disk space to use variable

Andrei B3-Nov-05 18:48

Andrei B

3-Nov-05 18:48

Does anyone know how to get the amount of disk space the system has reserved for Temporary Internet Files? I know you can change this setting in IE. I need to get it programatically.

Here is an image of the Settings dialog in IE that shows the variable: http://img356.imageshack.us/my.php?image=tifdiskspace6rv.jpg

-- Andrei B (andreib.com/blog)

Re: Get Temporary Internet Files amount of disk space to use variable

vikas amin4-Nov-05 2:18

vikas amin

4-Nov-05 2:18

Might be it is stored in the registery
have u tried to search that .

Cool | :cool:

Vikas Amin
Embin Technology
Bombay
vikas.amin@embin.com

How to show file properties dialog?and delete to recycle bin dialog(Confirm file delete dlg)?

Tcpip20053-Nov-05 17:59

Tcpip2005

3-Nov-05 17:59

How to show File properties dialog and delete to recycle bin dialog(Confirm file delete dlg)?

I want to do these just from the full file path.

And how to rename a file using system method?

Thank you.

Re: How to show file properties dialog?and delete to recycle bin dialog(Confirm file delete dlg)?

GflPower3-Nov-05 19:15

GflPower

3-Nov-05 19:15

use GetFileAttributesEx to obtains special attributes.

d

Re: How to show file properties dialog?and delete to recycle bin dialog(Confirm file delete dlg)?

Tcpip20053-Nov-05 19:32

Tcpip2005

3-Nov-05 19:32

Thank you for your reply.
I mean that I just want to show the peoperty dialog. I don't need to get the file property .

Re: How to show file properties dialog?and delete to recycle bin dialog(Confirm file delete dlg)?

Sheng Jiang 蒋晟4-Nov-05 7:37

Sheng Jiang 蒋晟

4-Nov-05 7:37

SHMultiFileProperties

My blogs:

http://blog.joycode.com/jiangsheng
http://blog.csdn.net/jiangsheng
http://bloglines.com/public/jiangsheng

Command what is yours
Conquer what is not
---Kane

Default desktop

Nishad S3-Nov-05 17:47

Nishad S

3-Nov-05 17:47

I need to display a dialog box in the default desktop in windows XP with multiple desktops.
Could anybody help me?

- NS -

WriteFile take a long time, Why?

newsb3-Nov-05 16:55

newsb

3-Nov-05 16:55

I create a big file, using the SetEndofFile, then i Seek the filepointer and write some data in it, but i found the func WriteFile take a long time, Why?

HANDLE hFile = CreateFile(_T("D:\\writetest.dat"),
GENERIC_WRITE,
FILE_SHARE_WRITE|FILE_SHARE_READ,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL|FILE_FLAG_RANDOM_ACCESS,
NULL);

LARGE_INTEGER llPos, llNew;
llPos.QuadPart = 2000*1024;
llPos.QuadPart *= 1024;
SetFilePointerEx(hFile, llPos, &llNew, FILE_BEGIN);
SetEndOfFile(hFile);

llPos.QuadPart = 1800*1024;
llPos.QuadPart *= 1024;
SetFilePointerEx(hFile, llPos, &llNew, FILE_BEGIN);

DWORD dwBytes = 256 * 1024;
BYTE * pBuffer = new BYTE[dwBytes];
DWORD dwBytesWritten;
DWORD dwBegin = GetTickCount();

WriteFile(hFile, pBuffer, dwBytes, &dwBytesWritten, NULL);

DWORD dwTime = GetTickCount() - dwBegin;
CString strTime;
strTime.Format(_T("Time: %d"), dwTime);
AfxMessageBox(strTime);

delete []pBuffer;
CloseHandle(hFile);

Re: WriteFile take a long time, Why?

kakan3-Nov-05 18:58

kakan

3-Nov-05 18:58

Thats' a big file alright. So it will take it's time to handle.

But you might speed it up by replacing FILE_FLAG_RANDOM_ACCESS with FILE_FLAG_SEQUENTIAL_SCAN or FILE_FLAG_WRITE_THROUGH.

I suspect FILE_FLAG_SEQUENTIAL_SCAN will give the most performance gain. (You aren't really doing random access of the file, just sequential writing).

Re: WriteFile take a long time, Why?

newsb3-Nov-05 19:57

newsb

3-Nov-05 19:57

I tried to use the flag, but unfortunately, it's no effect.

Re: WriteFile take a long time, Why?

kakan3-Nov-05 20:01

kakan

3-Nov-05 20:01

OK, then I'm out of ideas.

Except for the usual: Get a faster machine and a faster hard disk. Laugh | :laugh:

Extracting Calendar Information from MSOUTLOOK using MFC

Warier3-Nov-05 16:46

Warier

3-Nov-05 16:46

I need to extract the appointments from Outllok calendar using a MFC application...
pls help me..

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