diff --git a/.vs/PTZControl/v17/.wsuo b/.vs/PTZControl/v17/.wsuo
new file mode 100644
index 0000000..224b8e9
Binary files /dev/null and b/.vs/PTZControl/v17/.wsuo differ
diff --git a/.vs/PTZControl/v17/DocumentLayout.json b/.vs/PTZControl/v17/DocumentLayout.json
new file mode 100644
index 0000000..709bff6
--- /dev/null
+++ b/.vs/PTZControl/v17/DocumentLayout.json
@@ -0,0 +1,23 @@
+{
+  "Version": 1,
+  "WorkspaceRootPath": "C:\\Users\\mspel\\source\\repos\\PTZControl\\",
+  "Documents": [],
+  "DocumentGroupContainers": [
+    {
+      "Orientation": 0,
+      "VerticalTabListWidth": 256,
+      "DocumentGroups": [
+        {
+          "DockedWidth": 200,
+          "SelectedChildIndex": -1,
+          "Children": [
+            {
+              "$type": "Bookmark",
+              "Name": "ST:0:0:{cce594b6-0c39-4442-ba28-10c64ac7e89f}"
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/.vs/VSWorkspaceState.json b/.vs/VSWorkspaceState.json
new file mode 100644
index 0000000..30292c0
--- /dev/null
+++ b/.vs/VSWorkspaceState.json
@@ -0,0 +1,7 @@
+{
+  "ExpandedNodes": [
+    ""
+  ],
+  "SelectedNode": "\\PTZControl.sln",
+  "PreviewInSolutionExplorer": false
+}
\ No newline at end of file
diff --git a/PTZControl/ExtensionUnit.cpp b/PTZControl/ExtensionUnit.cpp
index 6800473..a3b633f 100644
--- a/PTZControl/ExtensionUnit.cpp
+++ b/PTZControl/ExtensionUnit.cpp
@@ -635,7 +635,7 @@ void CWebcamController::ListDevices(CStringArray &aDevices)
 		//create a device class enumerator
 		CComPtr<IEnumMoniker> pIEnumMoniker;
 		HRESULT hResult = pSysDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pIEnumMoniker, 0);
-		if (SUCCEEDED(hr))
+		if (SUCCEEDED(hr) && (hResult == S_OK))
 		{
 			ULONG	pFetched = NULL;
 			CComPtr<IMoniker> pImoniker;
@@ -661,5 +661,11 @@ void CWebcamController::ListDevices(CStringArray &aDevices)
 				pImoniker = nullptr;
 			}
 		}
+		//else {
+		//	aDevices.Add(CString("PTZ Pro 1\tPTZ Pro 1"));
+		//	aDevices.Add(CString("PTZ Pro 2\tPTZ Pro 2"));
+		//	aDevices.Add(CString("PTZ Pro 3\tPTZ Pro 3"));
+		//	aDevices.Add(CString("PTZ Pro 4\tPTZ Pro 4"));
+		//}
 	}
 }
diff --git a/PTZControl/PTZControl.rc b/PTZControl/PTZControl.rc
index 6d7afe2..c97128a 100644
Binary files a/PTZControl/PTZControl.rc and b/PTZControl/PTZControl.rc differ
diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.Build.CppClean.log b/PTZControl/PTZControl/x64/Debug/PTZControl.Build.CppClean.log
new file mode 100644
index 0000000..17045ea
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Debug/PTZControl.Build.CppClean.log
@@ -0,0 +1,23 @@
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.pch
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\vc143.pdb
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\vc143.idb
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\pch.obj
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\settingsdlg.obj
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontroldlg.obj
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.obj
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\extensionunit.obj
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.exe
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.pdb
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.res
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.ilk
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\cl.command.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\cl.items.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\cl.read.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\cl.write.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\link.command.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\link.read.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\link.secondary.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\link.write.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\rc.command.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\rc.read.1.tlog
+c:\users\mspel\source\repos\ptzcontrol\ptzcontrol\ptzcontrol\x64\debug\ptzcontrol.tlog\rc.write.1.tlog
diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.exe.recipe b/PTZControl/PTZControl/x64/Debug/PTZControl.exe.recipe
new file mode 100644
index 0000000..597c0c5
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Debug/PTZControl.exe.recipe
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <ProjectOutputs>
+    <ProjectOutput>
+      <FullPath>C:\Users\mspel\source\repos\PTZControl\PTZControl\x64\Debug\PTZControl.exe</FullPath>
+    </ProjectOutput>
+  </ProjectOutputs>
+  <ContentFiles />
+  <SatelliteDlls />
+  <NonRecipeFileRefs />
+</Project>
\ No newline at end of file
diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.ilk b/PTZControl/PTZControl/x64/Debug/PTZControl.ilk
new file mode 100644
index 0000000..bb0e65a
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.log b/PTZControl/PTZControl/x64/Debug/PTZControl.log
new file mode 100644
index 0000000..0370801
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Debug/PTZControl.log
@@ -0,0 +1 @@
+  PTZControl.vcxproj -> C:\Users\mspel\source\repos\PTZControl\PTZControl\x64\Debug\PTZControl.exe
diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.obj b/PTZControl/PTZControl/x64/Debug/PTZControl.obj
new file mode 100644
index 0000000..bc0ac15
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.pch b/PTZControl/PTZControl/x64/Debug/PTZControl.pch
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index 0000000..54cb7df
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index 0000000..506594e
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/CL.command.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/CL.command.1.tlog
new file mode 100644
index 0000000..99bc117
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/CL.read.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/CL.read.1.tlog
new file mode 100644
index 0000000..beb7d18
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/CL.write.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/CL.write.1.tlog
new file mode 100644
index 0000000..973b5f6
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/Cl.items.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/Cl.items.tlog
new file mode 100644
index 0000000..3ca6ddb
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/Cl.items.tlog
@@ -0,0 +1,5 @@
+C:\Users\mspel\source\repos\PTZControl\PTZControl\ExtensionUnit.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Debug\ExtensionUnit.obj
+C:\Users\mspel\source\repos\PTZControl\PTZControl\pch.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Debug\pch.obj
+C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Debug\PTZControl.obj
+C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControlDlg.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Debug\PTZControlDlg.obj
+C:\Users\mspel\source\repos\PTZControl\PTZControl\SettingsDlg.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Debug\SettingsDlg.obj
diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/PTZControl.lastbuildstate b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/PTZControl.lastbuildstate
new file mode 100644
index 0000000..893e05b
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/PTZControl.lastbuildstate
@@ -0,0 +1,2 @@
+PlatformToolSet=v143:VCToolArchitecture=Native64Bit:VCToolsVersion=14.39.33519:TargetPlatformVersion=10.0.22621.0:
+Debug|x64|C:\Users\mspel\source\repos\PTZControl\PTZControl\|
diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.command.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.command.1.tlog
new file mode 100644
index 0000000..6e91330
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.read.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.read.1.tlog
new file mode 100644
index 0000000..6019b36
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.secondary.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.secondary.1.tlog
new file mode 100644
index 0000000..3233ae0
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.secondary.1.tlog
@@ -0,0 +1,2 @@
+^C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\DEBUG\EXTENSIONUNIT.OBJ|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\DEBUG\PCH.OBJ|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\DEBUG\PTZCONTROL.OBJ|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\DEBUG\PTZCONTROL.RES|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\DEBUG\PTZCONTROLDLG.OBJ|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\DEBUG\SETTINGSDLG.OBJ
+C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Debug\PTZControl.ilk
diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.write.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/link.write.1.tlog
new file mode 100644
index 0000000..8b93156
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/rc.command.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/rc.command.1.tlog
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/rc.read.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/rc.read.1.tlog
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/rc.write.1.tlog b/PTZControl/PTZControl/x64/Debug/PTZControl.tlog/rc.write.1.tlog
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diff --git a/PTZControl/PTZControl/x64/Debug/PTZControl.vcxproj.FileListAbsolute.txt b/PTZControl/PTZControl/x64/Debug/PTZControl.vcxproj.FileListAbsolute.txt
new file mode 100644
index 0000000..e69de29
diff --git a/PTZControl/PTZControl/x64/Debug/PTZControlDlg.obj b/PTZControl/PTZControl/x64/Debug/PTZControlDlg.obj
new file mode 100644
index 0000000..2434175
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diff --git a/PTZControl/PTZControl/x64/Debug/SettingsDlg.obj b/PTZControl/PTZControl/x64/Debug/SettingsDlg.obj
new file mode 100644
index 0000000..a30e58c
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diff --git a/PTZControl/PTZControl/x64/Debug/extensionunit.obj b/PTZControl/PTZControl/x64/Debug/extensionunit.obj
new file mode 100644
index 0000000..950c22a
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diff --git a/PTZControl/PTZControl/x64/Debug/pch.obj b/PTZControl/PTZControl/x64/Debug/pch.obj
new file mode 100644
index 0000000..f476727
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diff --git a/PTZControl/PTZControl/x64/Debug/vc143.idb b/PTZControl/PTZControl/x64/Debug/vc143.idb
new file mode 100644
index 0000000..4d192ee
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diff --git a/PTZControl/PTZControl/x64/Debug/vc143.pdb b/PTZControl/PTZControl/x64/Debug/vc143.pdb
new file mode 100644
index 0000000..90259a1
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diff --git a/PTZControl/PTZControl/x64/Release/ExtensionUnit.obj b/PTZControl/PTZControl/x64/Release/ExtensionUnit.obj
new file mode 100644
index 0000000..15dd064
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.exe.recipe b/PTZControl/PTZControl/x64/Release/PTZControl.exe.recipe
new file mode 100644
index 0000000..a324dab
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Release/PTZControl.exe.recipe
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <ProjectOutputs>
+    <ProjectOutput>
+      <FullPath>C:\Users\mspel\source\repos\PTZControl\PTZControl\x64\Release\PTZControl.exe</FullPath>
+    </ProjectOutput>
+  </ProjectOutputs>
+  <ContentFiles />
+  <SatelliteDlls />
+  <NonRecipeFileRefs />
+</Project>
\ No newline at end of file
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.iobj b/PTZControl/PTZControl/x64/Release/PTZControl.iobj
new file mode 100644
index 0000000..ec44190
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/PTZControl.iobj differ
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.ipdb b/PTZControl/PTZControl/x64/Release/PTZControl.ipdb
new file mode 100644
index 0000000..e01ba53
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/PTZControl.ipdb differ
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.log b/PTZControl/PTZControl/x64/Release/PTZControl.log
new file mode 100644
index 0000000..496349b
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Release/PTZControl.log
@@ -0,0 +1,7 @@
+  ExtensionUnit.cpp
+  Generating code
+  6 of 739 functions ( 0.8%) were compiled, the rest were copied from previous compilation.
+    0 functions were new in current compilation
+    8 functions had inline decision re-evaluated but remain unchanged
+  Finished generating code
+  PTZControl.vcxproj -> C:\Users\mspel\source\repos\PTZControl\PTZControl\x64\Release\PTZControl.exe
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.obj b/PTZControl/PTZControl/x64/Release/PTZControl.obj
new file mode 100644
index 0000000..4c1aff2
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.pch b/PTZControl/PTZControl/x64/Release/PTZControl.pch
new file mode 100644
index 0000000..2f709ac
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.res b/PTZControl/PTZControl/x64/Release/PTZControl.res
new file mode 100644
index 0000000..d085ddd
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/CL.command.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/CL.command.1.tlog
new file mode 100644
index 0000000..8153f83
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/CL.read.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/CL.read.1.tlog
new file mode 100644
index 0000000..0de6fa5
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/CL.write.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/CL.write.1.tlog
new file mode 100644
index 0000000..0a2c8c4
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/Cl.items.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/Cl.items.tlog
new file mode 100644
index 0000000..946d6e3
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/Cl.items.tlog
@@ -0,0 +1,5 @@
+C:\Users\mspel\source\repos\PTZControl\PTZControl\ExtensionUnit.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Release\ExtensionUnit.obj
+C:\Users\mspel\source\repos\PTZControl\PTZControl\pch.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Release\pch.obj
+C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Release\PTZControl.obj
+C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControlDlg.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Release\PTZControlDlg.obj
+C:\Users\mspel\source\repos\PTZControl\PTZControl\SettingsDlg.cpp;C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Release\SettingsDlg.obj
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/PTZControl.lastbuildstate b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/PTZControl.lastbuildstate
new file mode 100644
index 0000000..ae399b2
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/PTZControl.lastbuildstate
@@ -0,0 +1,2 @@
+PlatformToolSet=v143:VCToolArchitecture=Native64Bit:VCToolsVersion=14.39.33519:TargetPlatformVersion=10.0.22621.0:
+Release|x64|C:\Users\mspel\source\repos\PTZControl\PTZControl\|
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.command.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.command.1.tlog
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.read.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.read.1.tlog
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diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.secondary.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.secondary.1.tlog
new file mode 100644
index 0000000..4927cbd
--- /dev/null
+++ b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.secondary.1.tlog
@@ -0,0 +1,3 @@
+^C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\RELEASE\EXTENSIONUNIT.OBJ|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\RELEASE\PCH.OBJ|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\RELEASE\PTZCONTROL.OBJ|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\RELEASE\PTZCONTROL.RES|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\RELEASE\PTZCONTROLDLG.OBJ|C:\USERS\MSPEL\SOURCE\REPOS\PTZCONTROL\PTZCONTROL\PTZCONTROL\X64\RELEASE\SETTINGSDLG.OBJ
+C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Release\PTZControl.IPDB
+C:\Users\mspel\source\repos\PTZControl\PTZControl\PTZControl\x64\Release\PTZControl.iobj
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.write.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.write.1.tlog
new file mode 100644
index 0000000..f30ea1f
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/link.write.1.tlog differ
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.command.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.command.1.tlog
new file mode 100644
index 0000000..7e25fac
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.command.1.tlog differ
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.read.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.read.1.tlog
new file mode 100644
index 0000000..b3b37c9
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.read.1.tlog differ
diff --git a/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.write.1.tlog b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.write.1.tlog
new file mode 100644
index 0000000..16492c8
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/PTZControl.tlog/rc.write.1.tlog differ
diff --git a/PTZControl/PTZControl/x64/Release/PTZControlDlg.obj b/PTZControl/PTZControl/x64/Release/PTZControlDlg.obj
new file mode 100644
index 0000000..08e7e31
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/PTZControlDlg.obj differ
diff --git a/PTZControl/PTZControl/x64/Release/SettingsDlg.obj b/PTZControl/PTZControl/x64/Release/SettingsDlg.obj
new file mode 100644
index 0000000..f8806ce
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/SettingsDlg.obj differ
diff --git a/PTZControl/PTZControl/x64/Release/pch.obj b/PTZControl/PTZControl/x64/Release/pch.obj
new file mode 100644
index 0000000..c013fcf
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/pch.obj differ
diff --git a/PTZControl/PTZControl/x64/Release/vc143.pdb b/PTZControl/PTZControl/x64/Release/vc143.pdb
new file mode 100644
index 0000000..fa9267e
Binary files /dev/null and b/PTZControl/PTZControl/x64/Release/vc143.pdb differ
diff --git a/PTZControl/PTZControlDlg.cpp b/PTZControl/PTZControlDlg.cpp
index aaaf670..90ccb41 100644
--- a/PTZControl/PTZControlDlg.cpp
+++ b/PTZControl/PTZControlDlg.cpp
@@ -60,6 +60,7 @@ static const SPosition layoutBtns1[]	// 0 or 1 camera (uses only 1 column)
 	IDC_BT_WEBCAM1,		false, 0, 0,
 	IDC_BT_WEBCAM2,		false, 0, 0,
 	IDC_BT_WEBCAM3,		false, 0, 0,
+	IDC_BT_WEBCAM4,		false, 0, 0,
 	0
 };
 
@@ -71,6 +72,7 @@ static const SPosition layoutBtns2[]	// 2 cameras (uses 2 columns)
 	IDC_BT_WEBCAM2,		true,	1, 2,
 	// Invisible
 	IDC_BT_WEBCAM3,		false,  0, 0,
+	IDC_BT_WEBCAM4,		false,  0, 0,
 	0
 };
 
@@ -81,6 +83,18 @@ static const SPosition layoutBtns3[]	// 3 cameras
 	IDC_BT_WEBCAM1,		true,	0, 0,	// all in one column left (top down)
 	IDC_BT_WEBCAM2,		true,	0, 1,
 	IDC_BT_WEBCAM3,		true,   0, 2,
+	IDC_BT_WEBCAM4,		true,   0, 0,
+	0
+};
+
+static const SPosition layoutBtns4[]	// 4 cameras
+{
+	IDC_BT_EXIT,		true,	1, 0,	// Outer left column
+	IDC_BT_SETTINGS,	true,	1, 1,
+	IDC_BT_WEBCAM1,		true,	0, 0,	// all in one column left (top down)
+	IDC_BT_WEBCAM2,		true,	0, 1,
+	IDC_BT_WEBCAM3,		true,   0, 2,
+	IDC_BT_WEBCAM4,		true,   1, 2,
 	0
 };
 
@@ -90,6 +104,7 @@ const SLayout g_layout[CPTZControlDlg::NUM_MAX_WEBCAMS+1] =
 	-1,	layoutBtns1,		// 0 or 1 camera (shrink dialog)
 	0,  layoutBtns2,		// 2 cameras	 (keep size)
 	0,  layoutBtns3,		// 3 cameras	 (keep size)
+	0,  layoutBtns4,		// 4 cameras	 (keep size)
 };
 
 
@@ -304,6 +319,7 @@ void CPTZControlDlg::DoDataExchange(CDataExchange* pDX)
 	DDX_Control(pDX, IDC_BT_WEBCAM1, m_btWebCam[0]);
 	DDX_Control(pDX, IDC_BT_WEBCAM2, m_btWebCam[1]);
 	DDX_Control(pDX, IDC_BT_WEBCAM3, m_btWebCam[2]);
+	DDX_Control(pDX, IDC_BT_WEBCAM4, m_btWebCam[3]);
 }
 
 BEGIN_MESSAGE_MAP(CPTZControlDlg, CDialogEx)
@@ -317,6 +333,7 @@ BEGIN_MESSAGE_MAP(CPTZControlDlg, CDialogEx)
 	ON_COMMAND_EX(IDC_BT_WEBCAM1, &CPTZControlDlg::OnBtWebCam)
 	ON_COMMAND_EX(IDC_BT_WEBCAM2, &CPTZControlDlg::OnBtWebCam)
 	ON_COMMAND_EX(IDC_BT_WEBCAM3, &CPTZControlDlg::OnBtWebCam)
+	ON_COMMAND_EX(IDC_BT_WEBCAM4, &CPTZControlDlg::OnBtWebCam)
 	ON_COMMAND_EX(IDC_BT_PRESET1, &CPTZControlDlg::OnBtPreset)
 	ON_COMMAND_EX(IDC_BT_PRESET2, &CPTZControlDlg::OnBtPreset)
 	ON_COMMAND_EX(IDC_BT_PRESET3, &CPTZControlDlg::OnBtPreset)
@@ -485,6 +502,7 @@ BOOL CPTZControlDlg::OnInitDialog()
 			&m_btWebCam[0],
 			&m_btWebCam[1],
 			&m_btWebCam[2],
+			&m_btWebCam[3],
 		};
 		for (auto* pBtn : apButtons)
 		{
@@ -804,7 +822,8 @@ BOOL CPTZControlDlg::OnBtPreset(UINT nId)
 BOOL CPTZControlDlg::OnBtWebCam(UINT nId)
 {
 	SetActiveCam(nId==IDC_BT_WEBCAM1 ? 0 :
-				 nId==IDC_BT_WEBCAM2 ? 1 : 2);
+				 nId==IDC_BT_WEBCAM2 ? 1 :
+				 nId==IDC_BT_WEBCAM3 ? 2 : 3);
 	return 1;
 }
 
diff --git a/PTZControl/PTZControlDlg.h b/PTZControl/PTZControlDlg.h
index c8aa133..1c78bef 100644
--- a/PTZControl/PTZControlDlg.h
+++ b/PTZControl/PTZControlDlg.h
@@ -73,7 +73,7 @@ public:
 	~CPTZControlDlg();
 // Dialog Data
 	enum { IDD = IDD_PTZCONTROL_DIALOG };
-	static const int NUM_MAX_WEBCAMS = 3;
+	static const int NUM_MAX_WEBCAMS = 4;
 
 protected:
 	CPTZButton m_btZoomIn;
diff --git a/PTZControl/res/CameraControl.bmp b/PTZControl/res/CameraControl.bmp
index 7949676..5ec5979 100644
Binary files a/PTZControl/res/CameraControl.bmp and b/PTZControl/res/CameraControl.bmp differ
diff --git a/PTZControl/resource.h b/PTZControl/resource.h
index d2005ae..ec5398e 100644
--- a/PTZControl/resource.h
+++ b/PTZControl/resource.h
@@ -62,6 +62,17 @@
 #define IDC_ED_TOOLTIP_3_6              1025
 #define IDC_ED_TOOLTIP_3_7              1026
 #define IDC_ED_TOOLTIP_3_8              1027
+#define IDC_BT_WEBCAM4                  1028
+#define IDC_ED_TOOLTIP_4_1              1028
+#define IDC_ED_TOOLTIP_4_2              1029
+#define IDC_ED_TOOLTIP__4_3             1030
+#define IDC_ED_TOOLTIP_4_3              1031
+#define IDC_ED_TOOLTIP_4_4              1032
+#define IDC_ED_TOOLTIP_4_5              1033
+#define IDC_ED_TOOLTIP_4_6              1034
+#define IDC_ED_TOOLTIP_4_7              1035
+#define IDC_ED_TOOLTIP_4_8              1036
+
 #define DC_BT_SETTINGS                  32791
 
 // Next default values for new objects