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// / This HTML file was produced by the ProjectPublisher WebService, By Asaf Shelly / //
// / WebService URL is: http://Services.AsyncOp.com/ProjectPublisher/ProjectPublisherWSvc.asmx / //
// / Learn more and find the source code here: http://AsyncOp.com / //
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Text;
using WinUSBDeviceAPI;
using System.Drawing;
namespace WinUSBDevice
{
[ToolboxBitmap(typeof(WinUSBDevice), "WinUSBDeviceIcon.ico")]
public partial class WinUSBDevice : Component, WinUSBNotifyDevice
{
public WinUSBDevice()
{
InitializeComponent();
}
public WinUSBDevice(IContainer container)
{
container.Add(this);
InitializeComponent();
}
~WinUSBDevice()
{
if (NotificationWindow != null) WinUSBNotificationWindow.NotifierDestroy(ref NotificationWindow);
}
private WinUSBNotificationWindow NotificationWindow = null;
private int pipeReadIndex = 0;
private int pipeWriteIndex = 0;
private Guid deviceGuid = Guid.Empty;
private WinUSBDevice sharedDevice = null;
public int PipeReadIndex
{
get { return pipeReadIndex; }
set
{
if (value == pipeReadIndex) return;
if (NotificationWindow != null) NotificationWindow.UnregisterReadCompletion((byte)pipeReadIndex, OnReadCompletion);
pipeReadIndex = value;
if (NotificationWindow != null) NotificationWindow.RegisterReadCompletion((byte)pipeReadIndex, OnReadCompletion);
}
}
public int PipeWriteIndex
{
get { return pipeWriteIndex; }
set
{
if (value == pipeWriteIndex) return;
if (NotificationWindow!=null) NotificationWindow.UnregisterWriteCompletion((byte)pipeWriteIndex, OnWriteCompletion);
pipeWriteIndex = value;
if (NotificationWindow != null) NotificationWindow.RegisterWriteCompletion((byte)pipeWriteIndex, OnWriteCompletion);
}
}
public Guid DeviceGuid
{
get { return (deviceGuid); }
set
{
if (this.DesignMode)
{
deviceGuid = value;
sharedDevice = null;
}
else
{
if ((value != Guid.Empty) && (deviceGuid != value))
{
sharedDevice = null;
if (NotificationWindow != null)
{
NotificationWindow.UnregisterReadCompletion((byte)pipeReadIndex, OnReadCompletion);
NotificationWindow.UnregisterWriteCompletion((byte)pipeWriteIndex, OnWriteCompletion);
}
if (deviceGuid != Guid.Empty) WinUSBNotificationWindow.NotifierDestroy(ref NotificationWindow);
deviceGuid = value;
NotificationWindow = WinUSBNotificationWindow.NotifierCreate(deviceGuid, this);
NotificationWindow.RegisterReadCompletion((byte)pipeReadIndex, OnReadCompletion);
NotificationWindow.RegisterWriteCompletion((byte)pipeWriteIndex, OnWriteCompletion);
}
}
}
}
public WinUSBDevice SharedDevice
{
get { return sharedDevice; }
set
{
if ((sharedDevice == value) || (this == value)) return;
if (this.DesignMode)
{
sharedDevice = value;
DeviceGuid = Guid.Empty;
}
else
{
if ((sharedDevice != null) && (null != value.NotificationWindow))
{
if (NotificationWindow != null)
{
NotificationWindow.UnregisterReadCompletion((byte)pipeReadIndex, OnReadCompletion);
NotificationWindow.UnregisterWriteCompletion((byte)pipeWriteIndex, OnWriteCompletion);
}
if (deviceGuid != Guid.Empty)
{
WinUSBNotificationWindow.NotifierDestroy(ref NotificationWindow);
}
DeviceGuid = Guid.Empty;
sharedDevice = value;
NotificationWindow = sharedDevice.NotificationWindow;
NotificationWindow.RegisterReadCompletion((byte)pipeReadIndex, OnReadCompletion);
NotificationWindow.RegisterWriteCompletion((byte)pipeWriteIndex, OnWriteCompletion);
}
}
}
}
public delegate void OnDeviceNotificationDelegate();
public event OnDeviceNotificationDelegate DeviceAttach = null;
public event OnDeviceNotificationDelegate DeviceDetach = null;
private bool deviceAttached = false;
public bool Attached
{
get { return deviceAttached; }
}
#region WinUSBNotifyDevice Members
public void OnDeviceAttach()
{
deviceAttached = true;
if (DesignMode) return;
if ((NotificationWindow != null) && (NotificationWindow.WinUsbDevice != null))
{
NotificationWindow.WinUsbDevice.SetPipeTimeout((byte)pipeReadIndex, readTimeout);
NotificationWindow.WinUsbDevice.SetPipeTimeout((byte)pipeWriteIndex, writeTimeout);
}
if (DeviceAttach != null) DeviceAttach.Invoke();
}
public void OnDeviceDetach()
{
deviceAttached = false;
if (DesignMode) return;
if (DeviceDetach != null) DeviceDetach.Invoke(); ;
}
#endregion
public class ReadCompletionEventArgs : EventArgs { public byte[] buffer; public int lastErrorCode; public object userContext; }
public class WriteCompletionEventArgs : EventArgs { public int byteCount; public int lastErrorCode; public object userContext; }
public event ReadCompletionDelegate ReadCompletion = null;
public event WriteCompletionDelegate WriteCompletion = null;
void OnReadCompletion(byte[] buffer, int lastErrorCode, object userContext)
{
if (ReadCompletion!=null) ReadCompletion.Invoke(buffer, lastErrorCode, userContext);
}
void OnWriteCompletion(int byteCount, int lastErrorCode, object userContext)
{
if (WriteCompletion!=null) WriteCompletion.Invoke(byteCount, lastErrorCode, userContext);
}
public byte[] ReadBlocking(int byteCount)
{
if (null == NotificationWindow) return (new byte[0]);
return (NotificationWindow.WinUsbDevice.ReadBlocking((byte)pipeReadIndex, byteCount));
}
public void Read(int byteCount)
{
if (null == NotificationWindow) { OnReadCompletion(new byte[0], 6/*ERROR_INVALID_HANDLE*/, null); return; }
NotificationWindow.WinUsbDevice.Read((byte)pipeReadIndex, byteCount);
}
public int WriteBlocking(byte[] buffer)
{
if (null == NotificationWindow) return (0);
return (NotificationWindow.WinUsbDevice.WriteBlocking((byte)pipeWriteIndex, buffer));
}
public void Write(byte[] buffer)
{
if (null == NotificationWindow) { OnWriteCompletion(0,6/*ERROR_INVALID_HANDLE*/,null); return; }
NotificationWindow.WinUsbDevice.Write((byte)pipeWriteIndex, buffer);
}
uint readTimeout = 1000;
uint writeTimeout = 0;
public uint ReadTimeout
{
get { return readTimeout; }
set
{
if (value == readTimeout) return;
readTimeout = value;
if ((NotificationWindow != null) && (NotificationWindow.WinUsbDevice != null))
{
NotificationWindow.WinUsbDevice.SetPipeTimeout((byte)pipeReadIndex, readTimeout);
}
}
}
public uint WriteTimeout
{
get { return writeTimeout; }
set
{
if (value == writeTimeout) return;
writeTimeout = value;
if ((NotificationWindow != null) && (NotificationWindow.WinUsbDevice != null))
{
NotificationWindow.WinUsbDevice.SetPipeTimeout((byte)pipeWriteIndex, writeTimeout);
}
}
}
}
}
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