CWindow::BeginPaint
ウィンドウの描画の準備をします。
HDC BeginPaint(
LPPAINTSTRUCT lpPaint
) throw();
解説
Windows SDK の「BeginPaint」を参照してください。
使用例
//The following example attaches an HWND to the CWindow object
//and calls CWindow::BeginPaint() and CWindow::EndPaint() in the
// WM_PAINT handler of a CWindowImpl-derived class
LRESULT CMyCtrl::OnPaint(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/,
BOOL& /*bHandled*/)
{
CWindow myWindow;
myWindow.Attach(m_hWnd);
PAINTSTRUCT ps;
HDC hDC = myWindow.BeginPaint(&ps);
//Use the hDC as much as you want
::Rectangle(hDC, 0, 0, 50, 50);
myWindow.EndPaint(&ps);
return 0;
}
必要条件
**ヘッダー:**atlwin.h