CDC::SetBkColor

I dont think im using the SetBkColor function properly.  Could anyone help me out with what im doing wrong?
I've got a dialog box.  It's InitInstance creates a modeless dialog box.  Trying to get a device context to the dialog box and change its background color.
Here's a clip of what im doing:
/////////////////////////////////////////////////////////////////////////////
m_cDlg2.Create( IDD_INFO, this );  //Using CDialog::Create
CDC*      pdcWindow = m_cDlg2.GetWindowDC( );
pdcWindow->SetBkColor( COLORREF( 100, 0, 0));
pdcWindow->UpdateColors();
m_cDlg2.ShowWindow(SW_SHOW);
///////////////////Another Attempt//////////////////////////////////////
m_cDlg2.Create( IDD_INFO, this );
CDC      dcWindow = m_cDlg2.GetWindowDC( );
pdcWindow.SetBkColor( RGB( 100, 0, 0));
pdcWindow.UpdateColors();
m_cDlg2.ShowWindow(SW_SHOW);
/////////////////////////////////////////////////////////////////////////////
The main dialog window appears and the Dlg2 window but no color change.
When i call GetBkColor it returns 0xffffff which i guess is the gray.
Also, im not sure in th line
m_cDlg2.Create( IDD_INFO, this );
whether 'this' points to the main dialog box or the Dlg2 dialog box.

Thanks in advance
bod_1Asked:
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chensuCommented:
You should call CWinApp::SetDialogBkColor rather than CDC::SetBkColor().

void SetDialogBkColor( COLORREF clrCtlBk = RGB(192, 192, 192), COLORREF clrCtlText = RGB(0, 0, 0) );

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bod_1Author Commented:
Thanks Chensu,  I'll give that one a go.
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System Programming

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