/// <summary>
/// Override for a form's Window Procedure to handle WM_COPYDATA
/// messages sent by other instances of this class.
/// </summary>
/// <param name="m">The Windows Message information.</param>
protected override void WndProc(ref Message m)
{
if (m.Msg == WM_COPYDATA)
{
var cds = (COPYDATASTRUCT)Marshal.PtrToStructure(m.LParam, typeof(COPYDATASTRUCT));
if (cds.cbData > 0)
{
byte[] data = new byte[cds.cbData];
Marshal.Copy(cds.lpData, data, 0, cds.cbData);
MemoryStream stream = new MemoryStream(data);
BinaryFormatter b = new BinaryFormatter();
CopyDataObjectData cdo = (CopyDataObjectData)b.Deserialize(stream);
if (_channels != null && _channels.Contains(cdo.Channel))
{
CopyDataReceivedEventArgs d = new CopyDataReceivedEventArgs(cdo.Channel, cdo.Data, cdo.Sent);
OnCopyDataReceived(d);
m.Result = (IntPtr)1;
}
}
}
else if (m.Msg == WM_DESTROY)
{
// WM_DESTROY fires before OnHandleChanged and is
// a better place to ensure that we've cleared
// everything up.
_channels?.OnHandleChange();
base.OnHandleChange();
}
base.WndProc(ref m);
}
/// <summary>
/// Override for a form's Window Procedure to handle WM_COPYDATA
/// messages sent by other instances of this class.
/// </summary>
/// <param name="m">The Windows Message information.</param>
protected override void WndProc(ref System.Windows.Forms.Message m )
{
if (m.Msg == WM_COPYDATA) {
COPYDATASTRUCT cds = new COPYDATASTRUCT();
cds = (COPYDATASTRUCT) Marshal.PtrToStructure(m.LParam, typeof(COPYDATASTRUCT));
if (cds.cbData > 0) {
byte[] data = new byte[cds.cbData];
Marshal.Copy(cds.lpData, data, 0, cds.cbData);
MemoryStream stream = new MemoryStream(data);
BinaryFormatter b = new BinaryFormatter();
CopyDataObjectData cdo = (CopyDataObjectData) b.Deserialize(stream);
if (channels.Contains(cdo.Channel)) {
CopyDataReceivedEventArgs d = new CopyDataReceivedEventArgs(cdo.Channel, cdo.Data, cdo.Sent);
OnCopyDataReceived(d);
m.Result = (IntPtr) 1;
}
}
} else if (m.Msg == WM_DESTROY) {
// WM_DESTROY fires before OnHandleChanged and is
// a better place to ensure that we've cleared
// everything up.
channels.OnHandleChange();
base.OnHandleChange();
}
base.WndProc(ref m);
}
/// <summary>
/// Raises the DataReceived event from this class.
/// </summary>
/// <param name="e">The data which has been received.</param>
protected void OnCopyDataReceived(CopyDataReceivedEventArgs e)
{
CopyDataReceived(this, e);
}
/// <summary>
/// Raises the DataReceived event from this class.
/// </summary>
/// <param name="e">The data which has been received.</param>
protected void OnCopyDataReceived(CopyDataReceivedEventArgs e)
{
CopyDataReceived?.Invoke(this, e);
}
/// <summary>
/// DataReceivedEventHandler
/// </summary>
/// <param name="sender"></param>
/// <param name="dataReceivedEventArgs"></param>
private void CopyDataDataReceived(object sender, CopyDataReceivedEventArgs copyDataReceivedEventArgs)
{
// Cast the data to the type of object we sent:
CopyDataTransport dataTransport = (CopyDataTransport)copyDataReceivedEventArgs.Data;
HandleDataTransport(dataTransport);
}