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I add an accelerator and rebuild all, it doesn't take effect.
Then I modify the exist Ctrl+O to Ctrl+D and rebuild all, it doesn't take effect edither. Ctrl+O still works.
What the matter?
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I add:
LoadAccelerators(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDR_MAINFRAME));
It still doesn't work.
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followait wrote: LoadAccelerators(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDR_MAINFRAME));
Does the call succeed?
Maxwell Chen
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Yes, the return value is not NULL.
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solved
BCG put some an entry about accelerator in the registry, I delete it, after it add it again, it works as expected.
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I rebooted my computer, no flicking now...
It's a program using GDI+, it doesn't flick yesterday, but it flicks now, even worse, it causes other irrelevant programs' windows flicking.
I installed sql server 2000 before I found it flicked again.
BTW, I always call Invalidate(FALSE) or InvalidateRect(&rc,FALSE) in the program.
Here is the code in OnDraw:
Graphics g(pDC->m_hDC);
g.SetTransform(&m_Matrix);
g.DrawImage(m_pMemImage,0,0);
g.ResetTransform();
if (m_pCtrlBoxMoving) {
DrawCtrlBoxFrame(m_pCtrlBoxMoving,&g);
} else if (m_pCtrlBoxSizing) {
DrawCtrlBoxFrame(m_pCtrlBoxSizing,&g);
} else if (m_pCtrlBoxRotating) {
DrawCtrlBoxFrame(m_pCtrlBoxRotating,&g);
}
modified on Saturday, January 12, 2008 2:55:40 AM
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Hi, All
I overloaded CStatic::OnPaint()
<br />
class myStatic : public CStatic<br />
{<br />
...<br />
}<br />
<br />
void myStatic::OnPaint()<br />
{<br />
<br />
static bool bb = true;<br />
<br />
CPaintDC dc(this); <br />
CBitmap myBitmap; <br />
<br />
if (bb)<br />
{<br />
bb = false;<br />
}<br />
else<br />
{<br />
bb = true;<br />
}<br />
<br />
}<br />
<br />
I definition a myStatic object in main dialog
<br />
class CMyDialog : public CDialog<br />
{<br />
private:<br />
myStatic m_picture;<br />
void changePicture();<br />
}<br />
<br />
void CMyDialog::changePicture()<br />
{<br />
m_picture.SendMessage(WM_PAINT,0,0);<br />
this->SendMessage(WM_PAINT,0,0);<br />
}<br />
When run to changePicture(), can run to print (1.BMP or 2.BMP) , but the picture not real changed.
And then, if the main dialog had changed, the picture was real changed.
So, how can make the picture is real change at changePicture() is run.
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WM_PAINT tells a window to redraw its invalid area,
so you should make the picture area invalid first using
InvalidateRect
or
Invalidate
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Why you didnt use of like this code
void CdddDlg::OnBnClickedButton1()
{
CImage m;
m.Load(_T("c:\\1.jpg"));
m_MyStatic.SetBitmap(m.Detach());
void CdddDlg::OnBnClickedButton2()
{
m.Load(_T("c:\\2.bmp"));
m_MyStatic.SetBitmap(m.Detach());
}
Do you need to derived of CStatic?
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You CANNOT send WM_PAINT messages yourself. The system will send
WM_PAINT messages when a window or portion of a window needs repainting
and there's no other higher priority messages queued.
To mark a window for repainting, as followait suggested, use the Invalidate
functions. A WM_PAINT message will be sent to the window that is invalidated.
If you need an immediate repaint, you can follow the Invalidate call with a
call to UpdateWindow(), or combine the invalidate and update in one call to
RedrawWindow().
Mark
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/coffee.gif)
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Hi all,
I have a list control, in that i am adding file path given by user in two ways :-
1) Single file
2) By Directory
I want that no same path files should be added in my control by either way.... I am not geting the way to implement it.
Can anybody help me in this.
Thanks in advance
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Use FindItem of CListCtrl before adding the path to it to check if it already exists in the list.
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You can use of FindItem,but how did you try that users to insert files to listctrl?
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I want to create detailed log of errors that could be raised in any part of whole application while execution. My application is based on client/ server architecture which uses TCP connection.I want to create and maintain log file containing all errors generated with their respective function, class or any part of an application including timestamp. so that i can analyze them to correct them.
Regards,
Hemang
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What is your trouble doing it?
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
[my articles]
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So you can just use std::ofstream to write log in a text file.
Maxwell Chen
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could anybody please tell me how to create a log file containing date, time, file name and operation being done on or by the file
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Hi all,
I've got a problem trying to detect the shape of the face using C++. I thought of using pixel aggregation(forming a region which is composed of face colour) but can't do it with the boolean operator, Merge/set_union(think these 2 operators can only be applied to arrays..right??), to compose the region so that i can differentiate the oval-shaped face from other objects!! Is there a way to region growing? I tried searching over the web but found only algorithms... I need some advice as to how to apply it to C++!! Do ya have any idea how i could accomplish that? I reached the stage whereby i have extracted the face from a picture along with other "noise" in the background as they also possess skin colour properties, thus i need to further refine the program to recognise face shape so that i can filter out the disturbance!
Super in need of HELP!!!
Thanks in advance!!
Regards,
Purple
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CP homepage almost permanently hosts the link to Chesnokov Yuriy superb article on Face Detection [^].
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
[my articles]
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If you call a stored procedure and one of the fields is returned as a VT_Decimal, what is the proper method for extracting the value?
I used the following, and it seems to be working, but it feels like there should be a better way...
<br />
pCommand->Fields->Item[_T("Qty")]->get_Value(&var);<br />
<br />
float fQty = var.decVal.Lo32 / 10000.0f;
modified on Friday, January 11, 2008 2:00:46 PM
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var.ChangeType(VT_R4);
Is this what I have to use?
And why isn't the devimal type directly accessible?
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littleGreenDude wrote: And why isn't the devimal type directly accessible?
it is
VARIANT v;
v.decVal;
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I think I'm doing something wrong when I try hit testing on a region.
Using GDI+...
If I build a region from a RectF, then call Region::IsVisible() with a PointF that lies outside of the RectF, the Region::IsVisible() function still returns TRUE. Can anyone show me the folly of my ways...
RectF rectF(5.0f, 5.0f, 10.0f, 10.0f);
Region region(rectF);
PointF pointF(4.5f, 4.5f);
if (region.IsVisible(pointF)) {
// It gets here
TRACE("It contains the point\n");
} else {
TRACE("It does not contain the point\n");
}
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It seems 4.5 gets rounded to 5 when there's no transformations
involved (no Graphics passed to IsVisible()). 4.3 works as
expected, as does 4.49999.
There are reproducible bugs in the GDI+ Region hit testing.
This came up a while back and I forwarded info to Microsoft.
Good luck,
Mark
Mark Salsbery
Microsoft MVP - Visual C++
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