protected override void WndProc(ref Message m)
{
if (m.Msg != NativeMethods.WM_COPYDATA)
{
base.WndProc(ref m);
return;
}
//-------------------------------
// Handle WM_COPYDATA.
// Supported commands:
// - Trigger capture.
//-------------------------------
log.DebugFormat("Received WM_COPYDATA.");
NativeMethods.COPYDATASTRUCT copyData = (NativeMethods.COPYDATASTRUCT)Marshal.PtrToStructure(m.LParam, typeof(NativeMethods.COPYDATASTRUCT));
int dataType = (int)copyData.dwData;
if (dataType != 0)
{
return;
}
if (Marshal.PtrToStringUni(copyData.lpData) == COMMAND_TRIGGERCAPTURE || Marshal.PtrToStringAnsi(copyData.lpData) == COMMAND_TRIGGERCAPTURE)
{
log.DebugFormat("Received capture trigger command.");
NotificationCenter.RaiseCaptureTriggered(this);
}
else
{
log.ErrorFormat("Unrecognized command.");
}
return;
}
protected override void WndProc(ref Message m)
{
if (m.Msg != NativeMethods.WM_COPYDATA)
{
base.WndProc(ref m);
return;
}
log.DebugFormat("Received WM_COPYDATA.");
NativeMethods.COPYDATASTRUCT copyData = (NativeMethods.COPYDATASTRUCT)Marshal.PtrToStructure(m.LParam, typeof(NativeMethods.COPYDATASTRUCT));
int dataType = (int)copyData.dwData;
if (dataType != 0)
{
log.DebugFormat("Malformed command.");
return;
}
string message = Marshal.PtrToStringUni(copyData.lpData);
bool parsed = message.StartsWith(EXTERNAL_COMMAND_IDENTIFIER);
if (!parsed)
{
message = Marshal.PtrToStringAnsi(copyData.lpData);
parsed = message.StartsWith(EXTERNAL_COMMAND_IDENTIFIER);
}
if (!parsed)
{
log.ErrorFormat("Unrecognized command.");
return;
}
int commandIndex = message.IndexOf(':');
if (commandIndex < 0)
{
log.ErrorFormat("Malformed command. Separator not found.");
return;
}
string command = message.Substring(commandIndex + 1, message.Length - (commandIndex + 1));
log.DebugFormat("Received external command:\"{0}\"", command);
NotificationCenter.RaiseExternalCommand(this, command);
}
