public void SetParameters(IHTMLElement _elem, tagRECT _rect, int _elemcorner)
{
Element = _elem;
ElemRect = _rect;
ElemCorner = (ELEMENT_CORNER)_elemcorner;
}
public static extern bool GetClientRect(IntPtr hWnd, out tagRECT lpRect);
public static extern bool CopyRect(
[In, Out, MarshalAs(UnmanagedType.Struct)] ref tagRECT lprcDst,
[In, MarshalAs(UnmanagedType.Struct)] ref tagRECT lprcSrc);
int IDocHostUIHandler.ResizeBorder(ref tagRECT rect, IOleInPlaceUIWindow doc, bool fFrameWindow)
{
return Hresults.E_NOTIMPL;
}
public static extern void SendMessage(HandleRef hWnd, uint msg,
IntPtr wParam, ref tagRECT lParam);
int IOleInPlaceSite.GetWindowContext(out IOleInPlaceFrame ppFrame, out IOleInPlaceUIWindow ppDoc, ref tagRECT lprcPosRect, ref tagRECT lprcClipRect, ref tagOIFI lpFrameInfo)
{
ppDoc = null;
ppFrame = null;
return Hresults.E_NOTIMPL;
}
int IOleInPlaceSite.OnPosRectChange(ref tagRECT lprcPosRect)
{
return Hresults.E_NOTIMPL;
}
public void SaveBrowserImage(string sFileName,
System.Drawing.Imaging.PixelFormat pixFormat,
System.Drawing.Imaging.ImageFormat format)
{
if (m_WBWebBrowser2 == null)
return;
Bitmap bmp = null;
try
{
//Get doc2, doc3, and viewobject
IHTMLDocument2 pDoc2 = m_WBWebBrowser2.Document as IHTMLDocument2;
if (pDoc2 == null) return;
IHTMLDocument3 pDoc3 = m_WBWebBrowser2.Document as IHTMLDocument3;
if (pDoc3 == null) return;
IViewObject pViewObject = pDoc2 as IViewObject;
if (pViewObject == null) return;
IHTMLBodyElement pBody = null;
IHTMLElement pElem = null;
IHTMLElement2 pBodyElem = null;
IHTMLStyle pStyle = null;
string strStyle;
int bodyHeight = 0;
int bodyWidth = 0;
int rootHeight = 0;
int rootWidth = 0;
int height = 0;
int width = 0;
//get the IHtmlelement
pElem = pDoc2.body;
//Get the IHTMLStyle
if(pElem != null)
pStyle = pElem.style;
//Get the borderstyle so we can reset it
strStyle = pStyle.borderStyle;
//Hide 3D border
pStyle.borderStyle = "none";
pBody = pElem as IHTMLBodyElement;
//No scrollbars
if(pBody != null)
pBody.scroll = "no";
//Get root scroll h + w
//QI for IHTMLElement2
pBodyElem = pElem as IHTMLElement2;
if (pBodyElem != null)
{
bodyWidth = pBodyElem.scrollWidth;
bodyHeight = pBodyElem.scrollHeight;
}
//release
pElem = null;
pBodyElem = null;
//Get docelem
pElem = pDoc3.documentElement;
//QI for IHTMLElement2
if (pElem != null)
{
pBodyElem = pElem as IHTMLElement2;
//Get scroll H + W
if (pBodyElem != null)
{
rootWidth = pBodyElem.scrollWidth;
rootHeight = pBodyElem.scrollHeight;
}
//calc actual W + H
width = rootWidth > bodyWidth ? rootWidth : bodyWidth;
height = rootHeight > bodyHeight ? rootHeight : bodyHeight;
}
//Set up a rect
tagRECT rWPos = new tagRECT(0, 0, width, height);
//Size browser
if (m_WBOleInPlaceObject != null)
m_WBOleInPlaceObject.SetObjectRects(ref rWPos, ref rWPos);
//Create bmp
bmp = new Bitmap(width, height, pixFormat);
//draw
int hr = Hresults.S_FALSE;
using (Graphics gr = Graphics.FromImage(bmp))
{
//get hdc
IntPtr hdc = gr.GetHdc();
hr = pViewObject.Draw(
(uint)DVASPECT.DVASPECT_CONTENT,
(int)-1, m_NullPointer, m_NullPointer,
m_NullPointer, hdc, ref rWPos, ref rWPos,
m_NullPointer, (uint)0);
gr.ReleaseHdc(hdc);
}
//reset
this.SetLocation();
if (!string.IsNullOrEmpty(strStyle))
pStyle.borderStyle = strStyle;
if(pBody != null)
pBody.scroll = "auto";
if (hr == Hresults.S_OK)
{
//save
bmp.Save(sFileName, format);
}
bmp.Dispose();
bmp = null;
}
finally
{
if (bmp != null)
bmp.Dispose();
}
}
/// <summary>
/// Create Webbrowser control and set up it's events
/// called from OnHandleCreated
/// Webbrowser control hosting requires an HWND
/// </summary>
/// <returns></returns>
private void InternalCreateWB()
{
//Create a new WB, throws exception if fails
Type webbrowsertype = Type.GetTypeFromCLSID(Iid_Clsids.CLSID_WebBrowser, true);
//Using Activator inplace of CoCreateInstance, returns IUnknown
m_WBUnknown = System.Activator.CreateInstance(webbrowsertype);
//Get the IOleObject
m_WBOleObject = (IOleObject)m_WBUnknown;
//Set client site
int iret = m_WBOleObject.SetClientSite(this);
//Set hostnames
iret = m_WBOleObject.SetHostNames("csEXWB", string.Empty);
//Get client rect
bool brect = WinApis.GetClientRect(this.Handle, out m_WBRect);
//Setup H+W
m_WBRect.Right = m_WBRect.Right - m_WBRect.Left; //W
m_WBRect.Bottom = m_WBRect.Bottom - m_WBRect.Top; //H
m_WBRect.Left = 0;
m_WBRect.Top = 0;
//Get the IOleInPlaceObject
m_WBOleInPlaceObject = (IOleInPlaceObject)m_WBUnknown;
tagRECT trect = new tagRECT();
WinApis.CopyRect(ref trect, ref m_WBRect);
//Set WB rects
iret = m_WBOleInPlaceObject.SetObjectRects(ref m_WBRect, ref trect);
//INPLACEACTIVATE the WB
iret = m_WBOleObject.DoVerb((int)OLEDOVERB.OLEIVERB_INPLACEACTIVATE, ref m_NullMsg, this, 0, this.Handle, ref m_WBRect);
//Get the IWebBrowser2
m_WBWebBrowser2 = (IWebBrowser2)m_WBUnknown;
//By default, we handle dragdrops
m_WBWebBrowser2.RegisterAsDropTarget = false;
if (!DesignMode)
{
//Get connectionpointcontainer
IConnectionPointContainer cpCont = (IConnectionPointContainer)m_WBUnknown;
//Find connection point
Guid guid = typeof(DWebBrowserEvents2).GUID;
IConnectionPoint m_WBConnectionPoint = null;
cpCont.FindConnectionPoint(ref guid, out m_WBConnectionPoint);
//Advice
m_WBConnectionPoint.Advise(this, out m_dwCookie);
//Get the IOleComandTarget
m_WBOleCommandTarget = (IOleCommandTarget)m_WBUnknown;
//Reguster clipborad format for internal drag drop
//RegisterClipboardFormatsForDragDrop();
}
if (!string.IsNullOrEmpty(m_sUrl))
this.Navigate(m_sUrl);
else
this.Navigate("about:blank");
//Get the shell embedding, ...
WBIEServerHandle();
}
public static extern bool GetClientRect(IntPtr hWnd, out tagRECT lpRect);
public static extern void SendMessage(HandleRef hWnd, uint msg,
IntPtr wParam, ref tagRECT lParam);
int IHTMLEditHost.SnapRect(IHTMLElement pIElement, ref tagRECT prcNew, int eHandle)
{
if (HTMLEditHostSnapRect != null)
{
HTMLEditHostSnapRectEvent.SetParameters(pIElement, prcNew, eHandle);
HTMLEditHostSnapRect(this, HTMLEditHostSnapRectEvent);
//if things changed
prcNew = HTMLEditHostSnapRectEvent.ElemRect;
}
return Hresults.S_OK;
}
