| class CFinder
{
public:
static void MouseDown(HWND hWnd)
{
hStatic = ::GetDlgItem(hWnd,IDC_CAPTURE);
hBmpBlank = LoadBitmap (::GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_BLANK));
hCurCross = LoadCursor (::GetModuleHandle(NULL), MAKEINTRESOURCE(IDC_CROSS0));
POINT point;
::GetCursorPos(&point);
RECT rc;
::GetWindowRect(hStatic, &rc);
if( ::PtInRect(&rc, point) )
{
bCapture = true;
::SetCursor( hCurCross );
hBmpNomal=(HBITMAP)::SendMessage (hStatic,STM_SETIMAGE,IMAGE_BITMAP,(long)hBmpBlank);
::SetCapture( hWnd );
//必须把上次窗口句柄置空
FindWnd=NULL;
}
}
static bool MouseUp()
{
if( bCapture )
{
bCapture = false;
::SetCursor( LoadCursor(NULL,IDC_ARROW) );
::SendMessage (hStatic,STM_SETIMAGE,IMAGE_BITMAP,(long)hBmpNomal);
::ReleaseCapture();
if( FindWnd )
HeightLightWnd(FindWnd);html ::DeleteObject(hBmpBlank);
::DeleteObject(hCurCross);vim return true;
}
else
return false;
}
static bool MouseMove()
{
if (bCapture)
{
POINT point;
::GetCursorPos(&point);
HWND hWnd=SmallestWindowFromPoint(point);
// HWND hWnd=::WindowFromPoint(point);
//第一次进入窗口
if (FindWnd != hWnd)
{
HeightLightWnd(FindWnd);//刷新旧窗口
FindWnd=hWnd; //保存wnd
HeightLightWnd(hWnd); //高亮度新窗口
}
return true;
}
else
return false;
}工具 /****************************************************************************
把窗体的边框画上线条
参数1 hWnd : 指定窗口句柄
****************************************************************************/
static void HeightLightWnd(HWND hWnd)
{
RECT DesRect;
::GetWindowRect(hWnd,&DesRect);
DesRect.left+=2; DesRect.top+=2; DesRect.right-=2; DesRect.bottom-=2;
HDC hdc=::GetDC(NULL);
HPEN Pen=::CreatePen(PS_SOLID,4,RGB(0,0,0));
HPEN OldPen=(HPEN)SelectObject(hdc,Pen) ;
SelectObject (hdc, GetStockObject (NULL_BRUSH)) ; //设置为空刷
SetROP2 (hdc, R2_NOT) ; //当前绘制的像素值设为屏幕像素值的反,这样能够覆盖掉上次的绘图(自动擦除上次图形）
Rectangle (hdc, DesRect.left,DesRect.top,DesRect.right,DesRect.bottom) ; //擦除原来的图形
::SelectObject (hdc,OldPen) ;
::DeleteObject(Pen);
::ReleaseDC(NULL,hdc);
}学习 //-----------------------------------------------
// SmallestWindowFromPoint
// Notice: from PasswordSpy by Brian Friesen
//
// Find the smallest window still containing the point
//
// WindowFromPoint returns the first window in the Z-order ->
// if the password control is sorounded by a Group Box or some other control,
// WindowFromPoint returns the handle to the sorounding control instead
// to the password control.
//
static HWND SmallestWindowFromPoint( const POINT point )
{
RECT rect, rcTemp;
HWND hParent, hWnd, hTemp;
hWnd = ::WindowFromPoint( point );
if( hWnd != NULL )
{
::GetWindowRect( hWnd, &rect );
hParent = ::GetParent( hWnd );
// Has window a parent?
if( hParent != NULL )
{
// Search down the Z-Order
hTemp = hWnd;
do{
hTemp = ::GetWindow( hTemp, GW_HWNDNEXT );
// Search window contains the point, hase the same parent, and is visible?
::GetWindowRect( hTemp, &rcTemp );
if(::PtInRect(&rcTemp, point) && ::GetParent(hTemp) == hParent && ::IsWindowVisible(hTemp))
{
// Is it smaller?
if(((rcTemp.right - rcTemp.left) * (rcTemp.bottom - rcTemp.top)) < ((rect.right - rect.left) * (rect.bottom - rect.top)))
{
// Found new smaller window!
hWnd = hTemp;
::GetWindowRect(hWnd, &rect);
}
}
}while( hTemp != NULL );
}
}
return hWnd;
}测试 public:
static HWND FindWnd;
private:
static HWND hStatic;
static HCURSOR hCurCross;
static HBITMAP hBmpNomal;
static HBITMAP hBmpBlank;
static bool bCapture ;
};spa HWND CFinder::hStatic=NULL;
HCURSOR CFinder::hCurCross=NULL;
HBITMAP CFinder::hBmpNomal=NULL;
HBITMAP CFinder::hBmpBlank=NULL;
bool CFinder::bCapture=false;
HWND CFinder::FindWnd=NULL;3d |
