[WinAPI] API 1 [桌面上画一个简单彩色图形]
1 #include<Windows.h> 2 void GdiOut(HDC hdc); 3 int WINAPI WinMain(HINSTANCE hInstance, 4 HINSTANCE hPrevInstance, 5 LPSTR lpCmdLine, 6 int nCmdShow) 7 { 8 HDC hdc=GetDC(NULL); 9 GdiOut(hdc); 10 ReleaseDC(NULL,hdc); 11 } 12 void GdiOut(HDC hdc) 13 { 14 HPEN hpen; 15 HBRUSH hbrush; 16 BYTE bRed=0; 17 BYTE bGreen=0; 18 BYTE bBlue=0; 19 COLORREF cPen=RGB(bRed,bGreen,bBlue); 20 COLORREF cBrush=RGB(233,GetGValue(cPen),255); 21 hpen=CreatePen(PS_SOLID,10,cPen); 22 hbrush=CreateSolidBrush(cBrush); 23 SelectObject(hdc,hbrush); 24 LineTo(hdc,500,500); 25 SelectObject(hdc,hpen); 26 Rectangle(hdc,200,200,500,500); 27 DeleteObject(hpen); 28 DeleteObject(hbrush); 29 }