windows 剪贴板大小限制
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Clipboard size limit
提问by
Is there any limit of the size of data that can be copied to clipboard? I am using VB6 and need to copy blocks of data to the clipboard.
可以复制到剪贴板的数据大小是否有限制？我正在使用 VB6，需要将数据块复制到剪贴板。
回答by Jan Goyvaerts
Applications call GlobalAlloc(GMEM_MOVEABLE or GMEM_DDESHARE)to allocate the memory for data to be stored on the clipboard and make it available to other applications. For 32-bit applications GlobalAlloccan allocate blocks up to 2 GB in size or up to the amount of virtual memory the PC has, whichever is less. The Windows clipboard does not impose any other size limits.
应用程序调用GlobalAlloc(GMEM_MOVEABLE or GMEM_DDESHARE)为要存储在剪贴板上的数据分配内存，并使其可供其他应用程序使用。对于 32 位应用程序，GlobalAlloc最多可以分配大小为 2 GB 的块或最多为 PC 拥有的虚拟内存量，以较小者为准。Windows 剪贴板不强加任何其他大小限制。
回答by Jan Goyvaerts
Most data is copied as a reference rather than the data itself so you can copy most anything any size. Text though is actually copied and from what I know the amount of data is limited to how much ram is currently availiable. Remember this, if vb6 can handle it, I'm sure the clipboard can handle it.
大多数数据被复制为参考而不是数据本身，因此您可以复制任何大小的大部分内容。虽然文本实际上是复制的，但据我所知，数据量仅限于当前可用的内存量。记住这一点，如果 vb6 可以处理它，我相信剪贴板可以处理它。
回答by rahul
Depends on the amount of memory in the system.
取决于系统中的内存量。
