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Hi,
I am developing an MFC application.
I have added some resources to the project using the resource editor.
I am also creating and displaying a popup menu dynamically.
I add menu items to the popup menu dynamically.
How can I ensure that the IDs which I assign to menu items do not conflict with IDs of other resources in my project?
Is there any way that I may reserve a range of IDs so that none of the other project resources gets ID which lies in my range?
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I tried implemented SetDialogBkColor in InitInstance inorder to change the colour of my dialog box but after running it I dont see any change in the dialog colour.Please Help me
S.Yamini
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yaminisridaran wrote: inorder to change the colour of my dialog box
Handle WM_CTLCOLOR message and return the brush handle if nCtlColor parameter is CTLCOLOR_DLG
Do your Duty and Don't expect the Result
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can u please explain this to me
S.Yamini
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Thanks. Can u explain this to me
S.Yamini
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Refer here[^]
Do your Duty and Don't expect the Result
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i implemented the code but it is showing error can u tell me how u have implmented the m_brush
S.Yamini
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yaminisridaran wrote: implmented the m_brush
its handle to the brush object. Refer CBrush class for more details.
Sample,
CBrush m_brDlg;
m_brDlg.CreateSolidBrush( RGB(...) );
(HBRUSH)m_brDlg
m_brDlg.DeleteObject();
Do your Duty and Don't expect the Result
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Parthi_Appu wrote: CBrush m_brDlg;m_brDlg.CreateSolidBrush( RGB(...) );(HBRUSH)m_brDlg /* to get the handle from CBrush object *//* Make sure to delete the object if you no more need it */m_brDlg.DeleteObject();
Handle returned by this method would not be valid, as it goes out of scope.
Need to use win32 API CreateSolidBrush and return HBRUSH.
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Sorry i didn't mention its a member, but the sample code has naming convention, which will say that m_brDlg is a member to the dialog class.
Sorry once again to miss out the point...
Do your Duty and Don't expect the Result
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I have implement the below code in OnCtlColor but still the colour is not changed.
HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
// TODO: Change any attributes of the DC here
CBrush m_brush;
m_brush.CreateSolidBrush( RGB(255,0,0) );
if (CTLCOLOR_DLG == nCtlColor)
return m_brush;
// TODO: Return a different brush if the default is not desired
return hbr;
S.Yamini
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I am able to open the source code but I am getting this error message
error C2440: 'initializing' : cannot convert from 'char [11]' to 'const unsigned short *'
S.Yamini
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yaminisridaran wrote: error C2440: 'initializing' : cannot convert from 'char [11]' to 'const unsigned short *'
You need to show code, where this error is occuring.
Instead of clustering this thread, start new thread for this question.
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Using the below code I was able to change the colour of the edit box but can I know for changing the colour of button and list control what CTLCOLOR we have to use
if (nCtlColor == CTLCOLOR_EDIT)
{
hbr = CreateSolidBrush(RGB(255,0,0));
}
return hbr ;
S.Yamini
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Refer MSDN. You have missed this line for varius controls,
CTLCOLOR_BTN Button control
CTLCOLOR_DLG Dialog box
CTLCOLOR_EDIT Edit control
CTLCOLOR_LISTBOX List-box control
CTLCOLOR_MSGBOX Message box
CTLCOLOR_SCROLLBAR Scroll-bar control
CTLCOLOR_STATIC Static control
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This works great.
Ur project is showing error message.
error RC2135 : file not found: ATLNotify.tlb
I want to learn COM CAN u give me any suggestion
S.Yamini
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yaminisridaran wrote: Ur project is showing error message.
error RC2135 : file not found: ATLNotify.tlb
Which IDE you are using ? It works great for me on VC6 and VS2005.
yaminisridaran wrote: I want to learn COM CAN u give me any suggestion
1. Book[^] by Don Box.
2. Inside COM[^] by Dale Rogesron.
Additionally refer beginner[^] section on CP.
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As told you already, you need to ask such questions to article authors.
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yaminisridaran wrote: CBrush m_brush;
i didn't mention it my previous post. Make the m_brush is member to the dialog class
Do your Duty and Don't expect the Result
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Your dialog's OnCtlColor should look like this,
HBRUSH CMyDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
if (nCtlColor == CTLCOLOR_DLG)
{
hbr = CreateSolidBrush(RGB(0,45,23));
}
return hbr ;
}
Remember to do this by adding WM_CTLCOLOR handler thorugh class wizard.
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prasad_som wrote: hbr = CreateSolidBrush(RGB(0,45,23));
Isn't it a resource leake?..
Do your Duty and Don't expect the Result
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Parthi_Appu wrote: Isn't it a resource leake?..
No, will be deleted by framework.
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