对话框默认是那种土黄色的,我想把一个区域刷成白色,这个区域内没有控件BOOL CDDS_ClientDlg::OnEraseBkgnd(CDC* pDC)
{
CBrush brush;
CRect rect;
rect.SetRect(330,30,730,350);
brush.CreateSolidBrush(COLORREF RGB(255,255,255));
pDC->FillRect(rect,&brush);
return TRUE;
}结果启动程序后不想变成白色的地方变成了桌面的颜色,该怎么修改啊?
{
CBrush brush;
CRect rect;
rect.SetRect(330,30,730,350);
brush.CreateSolidBrush(COLORREF RGB(255,255,255));
pDC->FillRect(rect,&brush);
return TRUE;
}结果启动程序后不想变成白色的地方变成了桌面的颜色,该怎么修改啊?
CBrush brush;的前面加一句CDialog::OnEraseBkgnd
BOOL CDDS_ClientDlg::OnEraseBkgnd(CDC* pDC)
{
return CDialog::OnEraseBkgnd(pDC);
}同时,在void CDDS_ClientDlg::OnPaint() 修改如下:
void CDDS_ClientDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2; // Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CPaintDC dc(this); // device context for painting
CBrush brush;
CRect rect;
rect.SetRect(330,30,730,350);
brush.CreateSolidBrush(COLORREF RGB(255,255,255));
dc.FillRect(rect,&brush); CDialog::OnPaint();
}
}