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Clarify Buffer.MemoryCopy behavior for overlapping buffers #4462

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Jul 22, 2020
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Clarify Buffer.MemoryCopy behavior for overlapping buffers #4462

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6 changes: 3 additions & 3 deletions xml/System/Buffer.xml
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Expand Up @@ -377,8 +377,8 @@
<format type="text/markdown"><![CDATA[

## Remarks
This method copies `sourceBytesToCopy` bytes from the address specified by `source` to the address specified by `destination`. If the buffers overlap and the difference between `destination` minus `source` is less than `sourceBytesToCopy`, the source block is copied to the destination block in reverse order.
This method copies `sourceBytesToCopy` bytes from the address specified by `source` to the address specified by `destination`. If some regions of the source area and the destination overlap, the function ensures that the original source bytes in the overlapping region are copied before being overwritten.

]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">
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<format type="text/markdown"><![CDATA[

## Remarks
This method copies `sourceBytesToCopy` bytes from the address specified by `source` to the address specified by `destination`. If the buffers overlap and the difference between `destination` minus `source` is less than `sourceBytesToCopy`, the source block is copied to the destination block in reverse order.
This method copies `sourceBytesToCopy` bytes from the address specified by `source` to the address specified by `destination`. If some regions of the source area and the destination overlap, the function ensures that the original source bytes in the overlapping region are copied before being overwritten.

]]></format>
</remarks>
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