Clean-up

RyzStudio/Windows/Forms/FlatButton.cs

@@ -106,7 +106,19 @@ namespace RyzStudio.Windows.Forms
         [Browsable(false)]
         public Style StyleDefault { get; set; } = new Style();
 
-        public void PerformClick() => this.OnClick(null);
+        public void PerformClick()
+        {
+            if (this.InvokeRequired)
+            {
+                this.Invoke(new MethodInvoker(() => {
+                    this.OnClick(null);
+                }));
+            }
+            else
+            {
+                this.OnClick(null);
+            }
+        }
 
     }
 }