public static mshtml.IHTMLElement2 GetWindowWidthAndHeight(IntPtr hwnd, mshtml.IHTMLDocument2 doc, ref int clientWidth, ref int clientHeight, ref int scrollWidth, ref int scrollHeight)
{
HTMLDocumentClass class2 = doc as HTMLDocumentClass;
mshtml.IHTMLElement2 documentElement = null;
if (class2 != null)
{
documentElement = class2.documentElement as mshtml.IHTMLElement2;
if (documentElement != null)
{
clientWidth = documentElement.clientWidth;
clientHeight = documentElement.clientHeight;
}
}
else
{
Rect lpRect = new Rect();
documentElement = doc.body as mshtml.IHTMLElement2;
WindowUtil.GetWindowRect(hwnd, out lpRect);
if (documentElement != null)
{
clientWidth = lpRect.Right - lpRect.Left;
clientHeight = lpRect.Bottom - lpRect.Top;
}
}
if (documentElement != null)
{
scrollWidth = documentElement.scrollWidth;
scrollHeight = documentElement.scrollHeight;
}
return(documentElement);
}
public static int GetWindowMessageLParam(IntPtr hwnd, Point mousePoint)
{
Rect lpRect = new Rect();
WindowUtil.GetWindowRect(hwnd, out lpRect);
return(((lpRect.Top + mousePoint.Y) << 0x10) + (lpRect.Left + mousePoint.X));
}