可传一个文件映射对象的句柄来创始位图。或者让系统为位图分配内存。

You can supply a handle to a file-mapping object that the function will use to create the bitmap, or you can let the system allocate the memory for the bitmap.

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对于其他格式，必须使用自定义数据绑定来定义文件格式和业务对象之间的映射。

In other formats, you have to use custom data bindings that define the mapping between the file format and a business object.

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数据绑定是一种从数据文件格式到业务对象属性的映射方法。

Data binding is a method of mapping from the format in the data files to the attributes of a business object.

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