Add escape button cancellation to About and FindSymbol dialogs.

Author: comintern

RetailCoder.VBE/UI/About/AboutDialog.cs

@@ -21,5 +21,19 @@ private AboutControlViewModel ViewModel
                 AboutControl.DataContext = _viewModel;
             }
         }
+
+        private void AboutDialog_Load(object sender, System.EventArgs e)
+        {
+
+        }
+        protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
+        {
+            if (keyData == Keys.Escape)
+            {
+                this.Close();
+                return true;
+            }
+            return base.ProcessCmdKey(ref msg, keyData);
+        }
     }
 }

RetailCoder.VBE/UI/FindSymbol/FindSymbolDialog.cs

@@ -29,5 +29,15 @@ public FindSymbolDialog()
 
             Text = string.Format("Rubberduck - {0}", RubberduckUI.FindSymbolDialog_Caption);
         }
+
+        protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
+        {
+            if (keyData == Keys.Escape)
+            {
+                Close();
+                return true;
+            }
+            return base.ProcessCmdKey(ref msg, keyData);
+        }
     }
 }