新手求助 MFC基于对话框的鼠标绘图程序 怎么把onmousemove里的代码写在onpaint里让它不自动消失
void CMyDrawDlg::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CDC* pDC = GetDC();
if (m_bLButtonDown == true) { CClientDC dc(this); CPen pen(m_style, m_width, m_color); dc.SelectObject(pen); dc.MoveTo(m_point); dc.LineTo(point); m_point = point;
} CDialogEx::OnMouseMove(nFlags, point);
}
这是onmousemove里的代码 老师说要写在onpaint里 要不然晃动就会消失 但我写在onpaint里就什么也画不出来了[face]monkey2:025.png[/face] 请各位大佬帮帮我[face]monkey2:018.png[/face][face]monkey2:018.png[/face][face]monkey2:018.png[/face]