diff --git a/src/widget/multilayerselecttree/multilayerselecttree.combo.js b/src/widget/multilayerselecttree/multilayerselecttree.combo.js
index ea846f08d..40621f02c 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.combo.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.combo.js
@@ -246,6 +246,10 @@ BI.MultiLayerSelectTreeCombo = BI.inherit(BI.Widget, {
 
     blur: function () {
         this.trigger.blur();
+    },
+
+    showView: function () {
+        this.combo.showView();
     }
 });
 
diff --git a/src/widget/multilayersingletree/multilayersingletree.combo.js b/src/widget/multilayersingletree/multilayersingletree.combo.js
index 7f2765a16..df855e227 100644
--- a/src/widget/multilayersingletree/multilayersingletree.combo.js
+++ b/src/widget/multilayersingletree/multilayersingletree.combo.js
@@ -247,6 +247,10 @@ BI.MultiLayerSingleTreeCombo = BI.inherit(BI.Widget, {
 
     blur: function () {
         this.trigger.blur();
+    },
+
+    showView: function () {
+        this.combo.showView();
     }
 });
 
diff --git a/typescript/widget/multilayerselecttree/multilayerselecttree.combo.ts b/typescript/widget/multilayerselecttree/multilayerselecttree.combo.ts
index a6625bebf..1fc9e1519 100644
--- a/typescript/widget/multilayerselecttree/multilayerselecttree.combo.ts
+++ b/typescript/widget/multilayerselecttree/multilayerselecttree.combo.ts
@@ -19,4 +19,6 @@ export declare class MultiLayerSelectTreeCombo extends Widget {
     focus(): void;
 
     blur(): void;
+
+    showView(): void;
 }
diff --git a/typescript/widget/multilayersingletree/multilayersingletree.combo.ts b/typescript/widget/multilayersingletree/multilayersingletree.combo.ts
index 706d3445f..fcecc32c4 100644
--- a/typescript/widget/multilayersingletree/multilayersingletree.combo.ts
+++ b/typescript/widget/multilayersingletree/multilayersingletree.combo.ts
@@ -19,4 +19,6 @@ export declare class MultiLayerSingleTreeCombo extends Widget {
     focus(): void;
 
     blur(): void;
+
+    showView(): void;
 }