编写Windows Mobile上基于WTL封装的CHTMLCtrl程序注意事项（备忘）

WTL::CHtmlCtrl这个类，WTL文档中很少有说明，故把这些写下来备忘。

 

    根据WTL 8.0 Final 版本ReadMe.html中的描述，CHtmlCtrl只是把Win32 API的HTML View Control的Handle封装成一个client类。

 

Windows Template Library

Class Overview
 

usage:	mi base	-	a base class (multiple inheritance)
	client	-	wrapper class for a handle
	as-is	-	to be used directly
	impl	-	implements a window (has WindowProc) or other support
	helper	-	a helper class
	base	-	implementation base class

 

class name:

usage:

description:

 

CHtmlCtrl

client

HTML control

 

1. 在CHtmlControl::AddText()之后需要调用CHtmlControl::EndofSource()函数通知控件。否则显示一个HTML sourcecode会要等很久。

 

2. 需要在工程文件中包含以下头文件和库:

#include "piedocvw.h" // for DWebBrowserEvents2
#include "webvw.h" // for IPIEHTMLDocument
// May be you need the following libs in link settings.
piedocvw.lib
htmlview.lib
webview.lib

 

3. IWebBrowser2 的接口在Windows Mobile 6上是不支持的。

IWebBrowser2 *pWebBrowser2= NULL; // No Interface on Windows Mobile 6

 

4. 如果链接时候(Link)出现 IDD_IPIEHTMLDocument 未定义的错误，需要在源代码中添加对于IDD的定义。

// For fixing the following linking error:
//      IExchangeRateFrame.obj : error LNK2001: unresolved external symbol IID_IPIEHTMLDocument
#ifndef __IID_DEFINED__
#define __IID_DEFINED__
typedef struct _IID
{
unsigned long x;
unsigned short s1;
unsigned short s2;
unsigned char  c[8];
} IID;
#endif // __IID_DEFINED__
#ifndef   CLSID_DEFINED
#define   CLSID_DEFINED
typedef   IID   CLSID;
#endif   //   CLSID_DEFINED
// from webvw.h    MIDL_INTERFACE("CDD75622-07D9-11D3-9309-00C04FAE2101")
const IID IID_IPIEHTMLDocument = {0xCDD75622, 0x07D9, 0x11D3, {0x93,0x09,0x00,0xC0,0x4F,0xAE,0x21,0x01}};
// End of Fixing