upd tested against

README.md

@@ -8,9 +8,9 @@ For past/future changes to this project refer to: [CHANGELOG](CHANGELOG.md)
 
 ## Tested against
 
-- Basic 1.0.8.8
+- Basic 1.1.1.1
-- Banana 2.0.6.8
+- Banana 2.1.1.1
-- Potato 3.0.2.8
+- Potato 3.1.1.1
 
 ## Requirements
 
@@ -402,6 +402,8 @@ The following commands are available:
 The following methods are available:
 
 - Load($filepath): string
+- RunMacrobuttons(): Launches the macrobuttons app
+- CloseMacrobuttons(): Closes the macrobuttons app
 
 example:
 
@@ -411,6 +413,8 @@ $vmr.command.show
 $vmr.command.lock = $true
 
 $vmr.command.Load("path/to/filename.xml")
+
+$vmr.command.RunMacrobuttons()
 ```
 
 ### Recorder
@@ -566,4 +570,4 @@ Run tests from repository root in a subshell and write logs, like so:
 
 ### Official Documentation
 
-- [Voicemeeter Remote C API](https://github.com/onyx-and-iris/Voicemeeter-SDK/blob/update-docs/VoicemeeterRemoteAPI.pdf)
+- [Voicemeeter Remote C API](https://github.com/onyx-and-iris/Voicemeeter-SDK/blob/main/VoicemeeterRemoteAPI.pdf)

lib/base.ps1

@@ -53,7 +53,7 @@ function RunVoicemeeter {
 function P_Dirty {
     $retval = [Voicemeeter.Remote]::VBVMR_IsParametersDirty()
     if ($retval -notin @(0, 1)) {
-        throw [CAPIError]::new($retval, "VBVMR_RunVoicemeeter") 
+        throw [CAPIError]::new($retval, "VBVMR_IsParametersDirty") 
     }
     [bool]$retval
 }
@@ -61,7 +61,7 @@ function P_Dirty {
 function M_Dirty {
     $retval = [Voicemeeter.Remote]::VBVMR_MacroButton_IsDirty()
     if ($retval -notin @(0, 1)) {
-        throw [CAPIError]::new($retval, "VBVMR_RunVoicemeeter") 
+        throw [CAPIError]::new($retval, "VBVMR_MacroButton_IsDirty") 
     }
     [bool]$retval
 }
@@ -156,7 +156,7 @@ function MB_Get {
     New-Variable -Name ptr -Value 0.0
     $retval = [int][Voicemeeter.Remote]::VBVMR_MacroButton_GetStatus($ID, [ref]$ptr, $MODE)
     if ($retval -notin @(0)) { 
-        throw [CAPIError]::new($retval, $MyInvocation.MyCommand) 
+        throw [CAPIError]::new($retval, "VBVMR_MacroButton_GetStatus") 
     }
     [int]$ptr
 }

lib/inst.ps1

@@ -1,11 +1,17 @@
 function Get_VMPath {
-    $REG_KEY = "Registry::HKEY_LOCAL_MACHINE\Software" + `
+    $REG_KEY = @(
-    (& { if ([Environment]::Is64BitOperatingSystem) { "\WOW6432Node" } else { "" } }) + `
+        "Registry::HKEY_LOCAL_MACHINE",
-        "\Microsoft\Windows\CurrentVersion\Uninstall"
+        "Software",
-    $VM_KEY = "\VB:Voicemeeter {17359A74-1236-5467}\"
+        (& { if ([Environment]::Is64BitOperatingSystem) { "WOW6432Node" } else { "" } }),
+        "Microsoft",
+        "Windows",
+        "CurrentVersion",
+        "Uninstall"
+    ).Where({ $_ -ne "" }) -Join "\"
+    $VM_KEY = "VB:Voicemeeter {17359A74-1236-5467}"
 
     try {
-        return $(Get-ItemPropertyValue -Path ($REG_KEY + $VM_KEY) -Name UninstallString | Split-Path -Parent)
+        return $(Get-ItemPropertyValue -Path (@($REG_KEY, $VM_KEY) -Join "\") -Name UninstallString | Split-Path -Parent)
     }
     catch {
         throw [VMRemoteError]::new("Unable to fetch Voicemeeter path from the Registry.")