本文整理汇总了C#中IStream.Read方法的典型用法代码示例。如果您正苦于以下问题：C# IStream.Read方法的具体用法？C# IStream.Read怎么用？C# IStream.Read使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IStream的用法示例。
在下文中一共展示了IStream.Read方法的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ToMemoryStream
public static unsafe MemoryStream ToMemoryStream(IStream comStream)
{
MemoryStream stream = new MemoryStream();
byte[] pv = new byte[100];
uint num = 0;
IntPtr pcbRead = new IntPtr((void*)&num);
do
{
num = 0;
comStream.Read(pv, pv.Length, pcbRead);
stream.Write(pv, 0, (int)num);
}
while (num > 0);
return stream;
}示例2: ReadNameList
private CatalogItem[] ReadNameList(IStream catalogHeaderStream, CatalogHeader header)
{
// 在Windows中，文件名最长好像只有256个Unicode字符
// 所以1K的缓存应该很足够了
var buffer = new byte[1024];
var cbRead = Marshal.AllocCoTaskMem(4);
var results = new CatalogItem[header.ThumbCount];
var builder = new StringBuilder();
try
{
for (int i = 0; i < header.ThumbCount; ++i)
{
catalogHeaderStream.Read(buffer, 16, cbRead);
if (Marshal.ReadInt32(cbRead) != 16)
throw new InvalidDataException("文件夹的Thumb.db已经损坏！");
results[i].Reserved1 = BitConverter.ToInt32(buffer, 0);
results[i].ItemId = BitConverter.ToInt32(buffer, 4);
results[i].Modified = DateTime.FromFileTime(
BitConverter.ToInt64(buffer, 8));
Array.Clear(buffer, 0, 16);
do
{
catalogHeaderStream.Read(buffer, 2, cbRead);
builder.Append(BitConverter.ToChar(buffer, 0));
} while (buffer[0] != 0 || buffer[1] != 0);
builder.Length -= 1;
results[i].FileName = builder.ToString();
builder.Remove(0, builder.Length);
catalogHeaderStream.Read(buffer, 2, cbRead);
results[i].Reserved2 = BitConverter.ToInt16(buffer, 0);
Array.Clear(buffer, 0, 2);
}
}
finally
{
Marshal.FreeCoTaskMem(cbRead);
}
return results;
}示例3: ReadToEnd
public static byte[] ReadToEnd(IStream stream)
{
var buffer = new byte[stream.Length - stream.Position];
stream.Read(buffer, 0, buffer.Length);
return buffer;
}示例4: Read
public static byte[] Read(IStream stream, long length)
{
var buffer = new byte[length];
stream.Read(buffer, 0, buffer.Length);
return buffer;
}示例5: ReadAllBytes
private unsafe static void ReadAllBytes(IStream stream, out byte[] bytes, out int size)
{
const int STREAM_SEEK_SET = 0;
size = GetStreamSize(stream);
stream.Seek(0, STREAM_SEEK_SET, IntPtr.Zero);
bytes = new byte[size];
int bytesRead = 0;
stream.Read(bytes, size, (IntPtr)(&bytesRead));
if (bytesRead != size)
{
// TODO:
throw new NotSupportedException();
}
}示例6: ToMemoryStream
private unsafe MemoryStream ToMemoryStream(IStream comStream)
{
MemoryStream stream = new MemoryStream();
byte[] pv = new byte[100];
uint num = 0;
IntPtr pcbRead = new IntPtr((void*) &num);
comStream.Seek((long) 0, 0, IntPtr.Zero);
do
{
num = 0;
comStream.Read(pv, pv.Length, pcbRead);
stream.Write(pv, 0, (int) num);
} while (num > 0);
return stream;
}示例7: PptStreamContainsEncryptedLabel
static bool PptStreamContainsEncryptedLabel(IStream pptStream)
{
var ptrReadBytes = Marshal.AllocHGlobal(sizeof(ulong));
try
{
int CHUNK_SIZE = 512;
var lastChunk = new byte[CHUNK_SIZE];
System.Runtime.InteropServices.ComTypes.STATSTG stat;
pptStream.Stat(out stat, STATFLAG_DEFAULT);
if (stat.cbSize > CHUNK_SIZE)
{
pptStream.Seek(stat.cbSize - CHUNK_SIZE, STREAM_SEEK_START, IntPtr.Zero);
}
pptStream.Read(lastChunk, CHUNK_SIZE, ptrReadBytes);
var contentAsText = Encoding.ASCII.GetString(lastChunk);
return contentAsText.Contains(ENCODED_LABEL_AS_TEXT);
}
finally
{
Marshal.FreeHGlobal(ptrReadBytes);
}
}示例8: ReadHelloMessage
/// <summary>
/// Read a fixed length hello message and identifier from the client
/// </summary>
int ReadHelloMessage (IStream<byte,byte> stream, byte[] buffer)
{
// FIXME: Add better support for delayed receipt of hello message
int offset = 0;
for (int i = 0; i < 5; i++) {
if (stream.DataAvailable) {
offset += stream.Read (buffer, offset);
if (offset == expectedHeader.Length + identifierLength)
break;
}
System.Threading.Thread.Sleep (50);
}
return offset;
}示例9: GetBufferFromIStream
private static byte[] GetBufferFromIStream(IStream comStream)
{
LARGE_INTEGER zeroPos;
zeroPos.QuadPart = 0;
ULARGE_INTEGER[] streamPosition = new ULARGE_INTEGER[1];
comStream.Seek(zeroPos, (uint)STREAM_SEEK.STREAM_SEEK_CUR, streamPosition);
comStream.Seek(zeroPos, (uint)STREAM_SEEK.STREAM_SEEK_SET, null);
Microsoft.VisualStudio.OLE.Interop.STATSTG[] stat = new Microsoft.VisualStudio.OLE.Interop.STATSTG[1];
comStream.Stat(stat, (uint)STATFLAG.STATFLAG_NONAME);
int bufferLength = (int)stat[0].cbSize.QuadPart;
byte[] buffer = new byte[bufferLength];
uint bytesRead = 0;
comStream.Read(buffer, (uint)buffer.Length, out bytesRead);
// return the stream to its previous location
LARGE_INTEGER newPos;
newPos.QuadPart = (long)streamPosition[0].QuadPart;
comStream.Seek(newPos, (uint)STREAM_SEEK.STREAM_SEEK_SET, null);
return buffer;
}示例10: LoadStream
private byte[] LoadStream(IStream stream)
{
long length;
ErrorUtil.ThrowOnFailure(stream.GetLength(out length));
byte[] result;
ErrorUtil.ThrowOnFailure(stream.Read((int)length, out result));
return result;
}