private CreateView ( |
||
memMappedFileHandle | ||
access | MemoryMappedFileAccess | |
offset | long | |
size | long | |
Résultat |
public MemoryMappedViewAccessor CreateViewAccessor(long offset, long size, MemoryMappedFileAccess access) { if (offset < 0) { throw new ArgumentOutOfRangeException(nameof(offset), SR.ArgumentOutOfRange_NeedNonNegNum); } if (size < 0) { throw new ArgumentOutOfRangeException(nameof(size), SR.ArgumentOutOfRange_PositiveOrDefaultSizeRequired); } if (access < MemoryMappedFileAccess.ReadWrite || access > MemoryMappedFileAccess.ReadWriteExecute) { throw new ArgumentOutOfRangeException(nameof(access)); } if (IntPtr.Size == 4 && size > uint.MaxValue) { throw new ArgumentOutOfRangeException(nameof(size), SR.ArgumentOutOfRange_CapacityLargerThanLogicalAddressSpaceNotAllowed); } MemoryMappedView view = MemoryMappedView.CreateView(_handle, access, offset, size); return(new MemoryMappedViewAccessor(view)); }
public MemoryMappedViewStream CreateViewStream(Int64 offset, Int64 size, MemoryMappedFileAccess access) { if (offset < 0) { throw new ArgumentOutOfRangeException("offset", SR.GetString(SR.ArgumentOutOfRange_NeedNonNegNum)); } if (size < 0) { throw new ArgumentOutOfRangeException("size", SR.GetString(SR.ArgumentOutOfRange_PositiveOrDefaultSizeRequired)); } if (access < MemoryMappedFileAccess.ReadWrite || access > MemoryMappedFileAccess.ReadWriteExecute) { throw new ArgumentOutOfRangeException("access"); } if (IntPtr.Size == 4 && size > UInt32.MaxValue) { throw new ArgumentOutOfRangeException("size", SR.GetString(SR.ArgumentOutOfRange_CapacityLargerThanLogicalAddressSpaceNotAllowed)); } MemoryMappedView view = MemoryMappedView.CreateView(_handle, access, offset, size); return(new MemoryMappedViewStream(view)); }
public MemoryMappedViewAccessor CreateViewAccessor(long offset, long size, MemoryMappedFileAccess access = MemoryMappedFileAccess.ReadWrite) { if (offset < 0) { throw new ArgumentOutOfRangeException("offset", "Value must be non-negative"); } if (size < 0) { throw new ArgumentOutOfRangeException("size", "Value must be positive or zero for default size"); } if (IntPtr.Size == 4 && size > ((1024 * 1024 * 1024) * (long)4)) { throw new ArgumentOutOfRangeException("size", "The capacity cannot be greater than the size of the system's logical address space."); } MemoryMappedView memoryMappedView = MemoryMappedView.CreateView(this._handle, access, offset, size); return(new MemoryMappedViewAccessor(memoryMappedView)); }
public MemoryMappedViewStream CreateViewStream(long offset, long size, MemoryMappedFileAccess access) { if (offset < 0L) { throw new ArgumentOutOfRangeException("offset", System.SR.GetString("ArgumentOutOfRange_NeedNonNegNum")); } if (size < 0L) { throw new ArgumentOutOfRangeException("size", System.SR.GetString("ArgumentOutOfRange_PositiveOrDefaultSizeRequired")); } if ((access < MemoryMappedFileAccess.ReadWrite) || (access > MemoryMappedFileAccess.ReadWriteExecute)) { throw new ArgumentOutOfRangeException("access"); } if ((IntPtr.Size == 4) && (size > 0xffffffffL)) { throw new ArgumentOutOfRangeException("size", System.SR.GetString("ArgumentOutOfRange_CapacityLargerThanLogicalAddressSpaceNotAllowed")); } return(new MemoryMappedViewStream(MemoryMappedView.CreateView(this._handle, access, offset, size))); }