The LoadCursor function loads the cursor resource only if it has not been loaded; otherwise, it retrieves the handle to the existing resource.
大致的意思是光标资源只会载入一次，重复的载入返回相同的句柄。
The LoadCursor function loads the cursor resource only if it has not been loaded; otherwise, it retrieves the handle to the existing resource.
大致的意思是光标资源只会载入一次，重复的载入返回相同的句柄。
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