how to change the button color with help onctlcolor()

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MFC

Hi everyone,

how to change the button color with help onctlcolor().

I will develop code it is not working could pls give suggestion

CBrush m_brush; //dlg.h
m_brush.createsolidbrush(RGB(255,0,0));//dlg.cpp(oninitdialog())

CTestClass:OnCtlColor(CDC pDC,CWD pWnd,UINT nctlcolor)
{
HBRUSH hbr = CDialogEx::OnCtlColor(pDC, pWnd, nCtlColor);
switch(nCtlColor)
{
case IDC_BUTTON1: pDC->setBkColor((RGB(255,0,0));
hbr = m_brush;

}
return m_brush;

}