TaoWen's Blog

2008-01-16

the paint points of xaml

Pain Point 1: XAML always create the controls by its default constructor This means, you need to have a default constructor for you control, and the constructor will always be used by XAML. So, you can not use constructor dependency injection to pass things like services, gateways to your control. ...

08:56
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2008-01-16

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lessons we have learnt about office integration

Lesson 1: trust it Everything could cause problem. There is no API could be really stable. Even it is stable itself, the interop and version difference or mis-use could cause problems as well. Lesson 2: rely on 3rd party vendor Add-in express is causing lots of troubles. Should be no feature rely ...

08:54
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2008-01-09

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Outlook MAPIOBJECT

Outlook的对象模型中，很多对象都有一个MAPIOBJECT属性。这个属性可以用来获得对应的MAPI对象。最简单的应用可能就是取得MailItem上的一些额外属性，比如取得Attachment的ContentId。要正确使用这个属性不容易。首先，不要在进程外取得属性的值，也就是说不能用Office Automation来启动Outlook，必须是在AddIn中取值。用伪代码，示例如下： Marshal.GetIUnknownForObject(attachment.MAPIOBJECT) Marshal.QueryInterface(pUnk, ref IID_IMAPIProp, ...

18:06
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2008-01-09

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