ネットワークストリーム経由で画像を送信しようとしています.sendData関数とGetdata関数があり、Image.FromStream関数を使用すると常に無効なパラメータを取得します.
これは私のコードです:私は画面から写真を取得し、それをbyte []に変換して、ネットワークストリーム経由で送信するメモリストリームに挿入しています。
private void SendData()
{
StreamWriter swWriter = new StreamWriter(this._nsClient);
// BinaryFormatter bfFormater = new BinaryFormatter();
// this method
lock (this._secLocker)
{
while (this._bShareScreen)
{
// Check if you need to send the screen
if (this._bShareScreen)
{
MemoryStream msStream = new MemoryStream();
this._imgScreenSend = new Bitmap(this._imgScreenSend.Width, this._imgScreenSend.Height);
// Send an image code
swWriter.WriteLine(General.IMAGE);
swWriter.Flush();
// Copy image from screen
this._grGraphics.CopyFromScreen(0, 0, 0, 0, this._sizScreenSize);
this._imgScreenSend.Save(msStream, System.Drawing.Imaging.ImageFormat.Jpeg);
msStream.Seek(0, SeekOrigin.Begin);
// Create the pakage
byte[] btPackage = msStream.ToArray();
// Send its langth
swWriter.WriteLine(btPackage.Length.ToString());
swWriter.Flush();
// Send the package
_nsClient.Write(btPackage, 0, btPackage.Length);
_nsClient.Flush();
}
}
}
}
private void ReciveData()
{
StreamReader srReader = new StreamReader(this._nsClient);
string strMsgCode = String.Empty;
bool bContinue = true;
//BinaryFormatter bfFormater = new BinaryFormatter();
DataContractSerializer x = new DataContractSerializer(typeof(Image));
// Lock this method
lock (this._objLocker)
{
while (bContinue)
{
// Get the next msg
strMsgCode = srReader.ReadLine();
// Check code
switch (strMsgCode)
{
case (General.IMAGE):
{
// Read bytearray
int nSize = int.Parse(srReader.ReadLine().ToString());
byte[] btImageStream = new byte[nSize];
this._nsClient.Read(btImageStream, 0, nSize);
// Get the Stream
MemoryStream msImageStream = new MemoryStream(btImageStream, 0, btImageStream.Length);
// Set seek, so we read the image from the begining of the stream
msImageStream.Position = 0;
// Build the image from the stream
this._imgScreenImg = Image.FromStream(msImageStream); // Error Here