diff --git a/app/src/main/java/com/codigoparallevar/minicards/parts/ProgramakerCustomBlockPart.java b/app/src/main/java/com/codigoparallevar/minicards/parts/ProgramakerCustomBlockPart.java
index 62144c0..5810e00 100644
--- a/app/src/main/java/com/codigoparallevar/minicards/parts/ProgramakerCustomBlockPart.java
+++ b/app/src/main/java/com/codigoparallevar/minicards/parts/ProgramakerCustomBlockPart.java
@@ -53,6 +53,7 @@ public class ProgramakerCustomBlockPart implements Part {
     private int height = 100;
     private String token = null;
     private Object[] lastValues;
+    private boolean active = true;
 
 
     public ProgramakerCustomBlockPart(String id, PartGrid grid, Tuple2<Integer, Integer> center, ProgramakerCustomBlock block) {
@@ -337,6 +338,11 @@ public class ProgramakerCustomBlockPart implements Part {
     }
 
     private void runBlockOperation() {
+        if (!this.active) {
+            Log.w(LogTag, "Trying to run inactive block function=" + this._block.getFunction_name());
+            return;
+        }
+
         ProgramakerApi api = this._partGrid.getApi();
         List<String> arguments = new LinkedList<>();
 
@@ -435,12 +441,12 @@ public class ProgramakerCustomBlockPart implements Part {
 
     @Override
     public void resume() {
-        // Intentionally left empty
+        this.active = true;
     }
 
     @Override
     public void pause() {
-        // Intentionally left empty
+        this.active = false;
     }
 
     @Override
@@ -542,6 +548,9 @@ public class ProgramakerCustomBlockPart implements Part {
 
     @Override
     public void unlink() {
-        // TODO: Implement
+        this.active = false;
+        for (InputConnector input : getInputConnectors()) {
+            input.unlink();
+        }
     }
 }