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Color text in a rich edit control

Posted on 2004-09-11
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Last Modified: 2013-11-20
I'm using VC 6.0, CFormView. I n my CView class, i have a rich edit control, in which at the push of a button, I want to change the text color to red. And when I scroll to another record in the database,i want this color text data must be saved also, so that when I scroll back to this record I modified using a button control, the text displays once again in red.
I have seen ways to changge text and background color in a CDialog based app,  but wondered about the specifics of using the CView class in a database app (ODBC). Thanks for any insight.
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Question by:pigeonbr
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6 Comments
 
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Assisted Solution

by:jkr
jkr earned 750 total points
ID: 12034944
Check out http://www.codeguru.com/Cpp/controls/richedit/article.php/c2419/ ("RichEditCtrl Syntax Highlighting") - you'll probably only need a subset of the functionality described there, but it shows the way to go.
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sudhakar_koundinya earned 750 total points
ID: 12036423
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by:sudhakar_koundinya
ID: 12036435
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by:pigeonbr
ID: 12045299
All these examples are helping me a little to get the feel of this coloring text in an edit bob...Did a test with another example I found, and am able to color text in Rich Edit control, in a CDialog class , but when I try to apply the same logic to doing it as in my question in the CView class ODBC database form, things don't work to well.
I need to get a handle on my existing RichEdit control and apply the following code, which is based on creating the control at runtime, which I don't do...it already exists and is connected to the database thru ODBC.:


  CRichEditCtrl* pRichEdit = (CRichEditCtrl*)pWnd ;
     int nLines = pRichEdit->GetLineCount() ;

     //Changes the first line background to blue and text color to yellow.
     int nEnd = pRichEdit->LineLength(1) ;

     pRichEdit->SetSel(0, nEnd) ;

     CHARFORMAT2 cf;
     cf.cbSize = sizeof(CHARFORMAT2) ;

     cf.dwMask = CFM_BOLD|CFM_BACKCOLOR|CFM_COLOR;
     cf.dwEffects = CFE_BOLD ;
     cf.crBackColor = RGB(0, 0, 255) ;
     cf.crTextColor = RGB(255, 255, 0) ;
     pRichEdit->SendMessage(EM_SETCHARFORMAT, (WPARAM)SCF_SELECTION, (LPARAM)&cf) ;

//*************************************

Ok..so, how do I get a pointer to my existing RichEdit Control, and what about CWnd ??
Can you help me out a little more please ? Thanks!
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Author Comment

by:pigeonbr
ID: 12089755
Found a question that had what I needed to get most of my answer here:
http://www.experts-exchange.com/Programming/Programming_Languages/MFC/Q_20418250.html

Here is my function in the CView class:
void CViewRichEditTestView::OnButton1()
{
     m_setbackcolor.SetSel(0,1000);//color will affect 1000 characters in the edit control
     CHARFORMAT2 cf;
     cf.cbSize = sizeof(CHARFORMAT2) ;
     cf.dwMask = CFM_BOLD|CFM_COLOR;
     cf.dwEffects = CFE_BOLD ;
     cf.crTextColor = RGB(255,0, 0) ;//set to red
     m_setbackcolor.SendMessage(EM_SETCHARFORMAT, (WPARAM)SCF_SELECTION, (LPARAM)&cf) ;      


}
Looks like I got it figured out pretty good, but when I change the color of the text to red, and go to another record, the color does not get saved to the database...anyone have any ideas ? If not I will split the points for your efforts. Thanks.
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Author Comment

by:pigeonbr
ID: 12142771
Ok..looks like no one can go further on this one...point split and I will ask another question more precicely. Thanks for the help guys!
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