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changing text color using CColorDialog

Viewing 4 posts - 1 through 4 (of 4 total)
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  • February 28, 2010 at 7:12 pm #191115
    asha
    Member

    i have a string whose textcolor is to be changed as selected by user from colordialog ?

    CDC *hWndDC;//declared this globally
    COLORREF m_crColor; //in header file

     

    CString strTitle;

void CMainWnd::OnTimer(UINT_PTR nIDEvent)
{
......................
hWndDC->TextOut(pt.x,5,strTitle,(char)strlen(strTitle));
.........
}

void CMainWnd::OnTimeSettings() //menu p0
{
CColorDialog colorDlg;

if (colorDlg.DoModal() == IDOK)
{

m_crColor = colorDlg.GetColor();
hWndDC->SetTextColor(m_crColor);

}
}

    m_crColor is to be assigned to strTitle ( SDI );

    how should i do ?plz give me an idea

    i found (when i debugged the program) that m_crColor has the color that i selected from the color dialog but i am not able to assign it to the strTitle.

    February 28, 2010 at 11:37 pm #191118
    Chike
    Member

    sprintf?

    Why do you cast strlen to char?

    March 1, 2010 at 8:33 am #191117
    asha
    Member

    because the last argument is
    nCount = Specifies the number of bytes in the string

    void CMainWnd::OnTimeSettings()//is a menu item
{
CColorDialog colorDlg;
if (colorDlg.DoModal() == IDOK)
{
m_crColor = colorDlg.GetColor();
hWndDC->SetTextColor(m_crColor);

}
}

     

    why is this not working ? what should i do ?

    March 1, 2010 at 7:52 pm #191116
    Chike
    Member

    @asha wrote:

    because the last argument is
    nCount = Specifies the number of bytes in the string

    Of type int. Type char is 8 bit signed integer, any value over 127 will turn into negative number.

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