Диспетчер окон рабочего стола использует тонну процессора при рисовании окна DX9.
Я не уверен, почему он использует так много процессора
https://imgur.com/a/Bz7AVro
LRESULT CALLBACK WinProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam){
Sleep(12);
switch (Message){
case WM_PAINT:
Render();
break;
case WM_CREATE:
DwmExtendFrameIntoClientArea(hWnd, &Margin);
break;
case WM_DESTROY:
PostQuitMessage(1);
return 0;
default:
return DefWindowProc(hWnd, Message, wParam, lParam);
break;
}
return 0;
}
ссылка класс CMAIN {
общественности:
void StartIt () {Main (); }
};
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hSecInstance, LPSTR nCmdLine, INT nCmdShow) {
Thread^ main;
CMAIN^ cMain = gcnew CMAIN();
main = gcnew Thread(gcnew ThreadStart(cMain, &CMAIN::StartIt));
main->Name = "main";
main->Start();
CreateThread(0, 0, (LPTHREAD_START_ROUTINE)SetWindowToTarget, 0, 0, 0);
WNDCLASSEX wClass;
wClass.cbClsExtra = NULL;
wClass.cbSize = sizeof(WNDCLASSEX);
wClass.cbWndExtra = NULL;
wClass.hbrBackground = (HBRUSH)CreateSolidBrush(RGB(0, 0, 0));
wClass.hCursor = LoadCursor(0, IDC_ARROW);
wClass.hIcon = LoadIcon(0, IDI_APPLICATION);
wClass.hIconSm = LoadIcon(0, IDI_APPLICATION);
wClass.hInstance = hInstance;
wClass.lpfnWndProc = WinProc;
wClass.lpszClassName = lWindowName;
wClass.lpszMenuName = lWindowName;
wClass.style = CS_VREDRAW | CS_HREDRAW;
if(!RegisterClassEx(&wClass))
exit(1);
tWnd = FindWindow(0, tWindowName);
if (tWnd){
GetWindowRect(tWnd, &tSize);
Width = tSize.right - tSize.left;
Height = tSize.bottom - tSize.top;
hWnd = CreateWindowEx(WS_EX_TOPMOST | WS_EX_TRANSPARENT | WS_EX_LAYERED, lWindowName, lWindowName, WS_POPUP, 1, 1, Width, Height, 0, 0, 0, 0);
SetLayeredWindowAttributes(hWnd, 0, 1.0f, LWA_ALPHA);
SetLayeredWindowAttributes(hWnd, 0, RGB(0, 0, 0), LWA_COLORKEY);
ShowWindow( hWnd, SW_SHOW);
}
DirectXInit(hWnd);
while (!directXExit){
Sleep(12);
if(PeekMessage(&Message, hWnd, 0, 0, PM_REMOVE)){
DispatchMessage(&Message);
TranslateMessage(&Message);
}
}
return 0;
}
void SetWindowToTarget () {
while(true){
tWnd = FindWindow(0, tWindowName);
if (tWnd){
GetWindowRect(tWnd, &tSize);
Width = tSize.right - tSize.left;
Height = tSize.bottom - tSize.top;
DWORD dwStyle = GetWindowLong(tWnd, GWL_STYLE);
if(dwStyle & WS_BORDER){
tSize.top += 23;
Height -= 23;
}
MoveWindow(hWnd, tSize.left, tSize.top, Width, Height, true);
}
Sleep(1500);
}
}