OLE文檔對象來源自OLE2.0標準,並演化而來。OLE1.0時候,嵌入的文檔如果顯示,必須談出一個新視窗,然後內嵌文檔顯示在新視窗中。OLE2.0時候,嵌入的文檔可以顯示在Container中,但是內嵌文檔和Container的互動性很差。Container可以控制內嵌文檔,但內嵌文檔不能控制Container。OLE Document Objects解決了上述問題,是使用者感覺不到內嵌文檔的存在。How Everything Works
In general, the simplest way to view the COM threading architecture is to think of all the COM objects in the process as divided into groups called apartments. A COM object lives in exactly one apartment, in the sense that its methods can legally be
建立數字認證的過程如下:1.Alice sends a signed certificate request containing her name, her public key, and perhaps some additional information to a CA. 2.The CA creates a message, m, from Alice's request. The CA signs the message with its private key, creating
Your new class can be made up of any number and type of other objects, in any combination that you need to achieve the functionality desired in your new class. Because you are composing a new class from existing classes, this concept is called
Types of APCsAn asynchronous procedure call (APC) is a function that executes asynchronously. APCs are similar to deferred procedure calls (DPCs), but unlike DPCs, APCs execute within the context of a particular thread. Drivers (other than file