Index: src/ch/MainWnd.cpp
===================================================================
diff -u -N -r2d7bee54f998ae8f5d4145a2cf3f4a589253016f -r3d1951f52696fe21e01618e1bbfb9e14745a3827
--- src/ch/MainWnd.cpp	(.../MainWnd.cpp)	(revision 2d7bee54f998ae8f5d4145a2cf3f4a589253016f)
+++ src/ch/MainWnd.cpp	(.../MainWnd.cpp)	(revision 3d1951f52696fe21e01618e1bbfb9e14745a3827)
@@ -462,57 +462,64 @@
 
 BOOL CMainWnd::OnCopyData(CWnd* pWnd, COPYDATASTRUCT* pCopyDataStruct)
 {
-	// load task from buffer
-	wchar_t* pszBuffer = static_cast<wchar_t*>(pCopyDataStruct->lpData);
-	unsigned long ulLen = pCopyDataStruct->cbData / sizeof(wchar_t);
+	if(!pCopyDataStruct)
+		return CWnd::OnCopyData(pWnd, pCopyDataStruct);
 
-	// check if the string ends with '\0', so we can safely use it without length checks
-	if(!pszBuffer || ulLen == 0 || pszBuffer[ulLen - 1] != L'\0')
-		return FALSE;
+	switch(pCopyDataStruct->dwData)
+	{
+	case eCDType_TaskDefinitionContentSpecial:
+	case eCDType_TaskDefinitionContent:
+		{
+			// load task from buffer
+			wchar_t* pszBuffer = static_cast<wchar_t*>(pCopyDataStruct->lpData);
+			unsigned long ulLen = pCopyDataStruct->cbData / sizeof(wchar_t);
 
-	chcore::TWStringData wstrData(pszBuffer);
-	//AfxMessageBox(wstrData.GetData());		// TEMP = to remove before commit
+			// check if the string ends with '\0', so we can safely use it without length checks
+			if(!pszBuffer || ulLen == 0 || pszBuffer[ulLen - 1] != L'\0')
+				return FALSE;
 
-	chcore::TTaskDefinition tTaskDefinition;
-	tTaskDefinition.LoadFromString(wstrData);
+			chcore::TWStringData wstrData(pszBuffer);
+			//AfxMessageBox(wstrData.GetData());		// TEMP = to remove before commit
 
-	// apply current options from global config; in the future we might want to merge the incoming options with global ones instead of overwriting...
-	chcore::TConfig& rConfig = GetConfig();
-	rConfig.ExtractSubConfig(BRANCH_TASK_SETTINGS, tTaskDefinition.GetConfiguration());
+			chcore::TTaskDefinition tTaskDefinition;
+			tTaskDefinition.LoadFromString(wstrData);
 
-	// special operation - modify stuff
-	switch(pCopyDataStruct->dwData & CSharedConfigStruct::OPERATION_MASK)
-	{
-	case CSharedConfigStruct::DD_COPYMOVESPECIAL_FLAG:
-	case CSharedConfigStruct::EC_PASTESPECIAL_FLAG:
-	case CSharedConfigStruct::EC_COPYMOVETOSPECIAL_FLAG:
-		CCustomCopyDlg dlg(tTaskDefinition);
+			// apply current options from global config; in the future we might want to merge the incoming options with global ones instead of overwriting...
+			chcore::TConfig& rConfig = GetConfig();
+			rConfig.ExtractSubConfig(BRANCH_TASK_SETTINGS, tTaskDefinition.GetConfiguration());
 
-		GetPropValue<PP_RECENTPATHS>(rConfig, dlg.m_vRecent);
+			// special operation - modify stuff
+			if(pCopyDataStruct->dwData == eCDType_TaskDefinitionContentSpecial)
+			{
+				CCustomCopyDlg dlg(tTaskDefinition);
 
-		INT_PTR iModalResult;
-		if((iModalResult = dlg.DoModal()) == IDCANCEL)
-			return CWnd::OnCopyData(pWnd, pCopyDataStruct);
-		else if(iModalResult == -1)	// windows has been closed by a parent
-			return TRUE;
+				GetPropValue<PP_RECENTPATHS>(rConfig, dlg.m_vRecent);
 
-		dlg.m_vRecent.push_back(dlg.m_tTaskDefinition.GetDestinationPath().ToString());
+				INT_PTR iModalResult;
+				if((iModalResult = dlg.DoModal()) == IDCANCEL)
+					return CWnd::OnCopyData(pWnd, pCopyDataStruct);
+				else if(iModalResult == -1)	// windows has been closed by a parent
+					return TRUE;
 
-		SetPropValue<PP_RECENTPATHS>(rConfig, dlg.m_vRecent);
+				dlg.m_vRecent.push_back(dlg.m_tTaskDefinition.GetDestinationPath().ToString());
 
-		tTaskDefinition = dlg.m_tTaskDefinition;
-	}
+				SetPropValue<PP_RECENTPATHS>(rConfig, dlg.m_vRecent);
 
-	// load resource strings
-	SetTaskPropValue<eTO_AlternateFilenameFormatString_First>(tTaskDefinition.GetConfiguration(), GetResManager().LoadString(IDS_FIRSTCOPY_STRING));
-	SetTaskPropValue<eTO_AlternateFilenameFormatString_AfterFirst>(tTaskDefinition.GetConfiguration(), GetResManager().LoadString(IDS_NEXTCOPY_STRING));
+				tTaskDefinition = dlg.m_tTaskDefinition;
+			}
 
-	// create task with the above definition
-	CTaskPtr spTask = m_tasks.CreateTask(tTaskDefinition);
+			// load resource strings
+			SetTaskPropValue<eTO_AlternateFilenameFormatString_First>(tTaskDefinition.GetConfiguration(), GetResManager().LoadString(IDS_FIRSTCOPY_STRING));
+			SetTaskPropValue<eTO_AlternateFilenameFormatString_AfterFirst>(tTaskDefinition.GetConfiguration(), GetResManager().LoadString(IDS_NEXTCOPY_STRING));
 
-	// add to task list and start processing
-	spTask->BeginProcessing();
+			// create task with the above definition
+			CTaskPtr spTask = m_tasks.CreateTask(tTaskDefinition);
 
+			// add to task list and start processing
+			spTask->BeginProcessing();
+		}
+	}
+
 	return CWnd::OnCopyData(pWnd, pCopyDataStruct);
 }
 
Index: src/chext/DropMenuExt.cpp
===================================================================
diff -u -N -r2d7bee54f998ae8f5d4145a2cf3f4a589253016f -r3d1951f52696fe21e01618e1bbfb9e14745a3827
--- src/chext/DropMenuExt.cpp	(.../DropMenuExt.cpp)	(revision 2d7bee54f998ae8f5d4145a2cf3f4a589253016f)
+++ src/chext/DropMenuExt.cpp	(.../DropMenuExt.cpp)	(revision 3d1951f52696fe21e01618e1bbfb9e14745a3827)
@@ -128,7 +128,15 @@
 
 	// IPC struct
 	COPYDATASTRUCT cds;
-	cds.dwData = pCommand[LOWORD(lpici->lpVerb)].uiCommandID;	// based on command's number (0-copy, 1-move, 2-special (copy), 3-special (move))
+	switch(pCommand[LOWORD(lpici->lpVerb)].uiCommandID)
+	{
+	case CSharedConfigStruct::DD_COPYMOVESPECIAL_FLAG:
+		cds.dwData = eCDType_TaskDefinitionContentSpecial;
+		break;
+	default:
+		cds.dwData = eCDType_TaskDefinitionContent;
+	}
+
 	cds.cbData = (DWORD)wstrXML.GetBytesCount();
 	cds.lpData = (void*)wstrXML.GetData();
 
Index: src/chext/MenuExt.cpp
===================================================================
diff -u -N -r2d7bee54f998ae8f5d4145a2cf3f4a589253016f -r3d1951f52696fe21e01618e1bbfb9e14745a3827
--- src/chext/MenuExt.cpp	(.../MenuExt.cpp)	(revision 2d7bee54f998ae8f5d4145a2cf3f4a589253016f)
+++ src/chext/MenuExt.cpp	(.../MenuExt.cpp)	(revision 3d1951f52696fe21e01618e1bbfb9e14745a3827)
@@ -188,7 +188,15 @@
 
 				// fill struct
 				COPYDATASTRUCT cds;
-				cds.dwData = pCommand[LOWORD(lpici->lpVerb)].uiCommandID;
+
+				switch(pCommand[LOWORD(lpici->lpVerb)].uiCommandID)
+				{
+				case CSharedConfigStruct::EC_PASTESPECIAL_FLAG:
+					cds.dwData = eCDType_TaskDefinitionContentSpecial;
+					break;
+				default:
+					cds.dwData = eCDType_TaskDefinitionContent;
+				}
 				cds.lpData = (void*)wstrData.GetData();
 				cds.cbData = (DWORD)wstrData.GetBytesCount();
 
@@ -227,6 +235,15 @@
 
 				// fill struct
 				COPYDATASTRUCT cds;
+				switch(pCommand[iCommandIndex].uiCommandID)
+				{
+				case CSharedConfigStruct::EC_COPYMOVETOSPECIAL_FLAG:
+					cds.dwData = eCDType_TaskDefinitionContentSpecial;
+					break;
+				default:
+					cds.dwData = eCDType_TaskDefinitionContent;
+				}
+
 				cds.dwData = pCommand[iCommandIndex].uiCommandID;
 				cds.lpData = (void*)wstrData.GetData();
 				cds.cbData = (DWORD)wstrData.GetBytesCount();
Index: src/common/ipcstructs.h
===================================================================
diff -u -N -r2d7bee54f998ae8f5d4145a2cf3f4a589253016f -r3d1951f52696fe21e01618e1bbfb9e14745a3827
--- src/common/ipcstructs.h	(.../ipcstructs.h)	(revision 2d7bee54f998ae8f5d4145a2cf3f4a589253016f)
+++ src/common/ipcstructs.h	(.../ipcstructs.h)	(revision 3d1951f52696fe21e01618e1bbfb9e14745a3827)
@@ -47,6 +47,13 @@
 };
 #pragma pack(pop)
 
+enum ECopyDataType
+{
+	eCDType_TaskDefinitionContent,
+	eCDType_TaskDefinitionContentSpecial,
+	eCDType_CommandLineArguments,
+};
+
 // shared memory size in bytes
 #define SHARED_BUFFERSIZE	65536