Implemented function Alert (MT5)

TestClients/MtApi5TestClient/MainWindow.xaml

@@ -526,12 +526,16 @@
                     </WrapPanel>
 
                     <Grid Margin="10" Grid.Row="1">
-                        <Grid.ColumnDefinitions>
-                            <ColumnDefinition Width="*"/>
-                            <ColumnDefinition Width="Auto"/>
-                        </Grid.ColumnDefinitions>
-                        <TextBox Grid.Column="0" Text="{Binding MessageText}" Margin="5"/>
-                        <Button Grid.Column="1" Command="{Binding PrintCommand}" Content="Print" Margin="5"/>
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="Auto"/>
+                            <RowDefinition Height="Auto"/>
+                        </Grid.RowDefinitions>
+                        <TextBox Grid.Row="0" Text="{Binding MessageText}" Margin="2"/>
+                        <StackPanel Grid.Row="1" Orientation="Horizontal" HorizontalAlignment="Right">
+                            <Button Command="{Binding PrintCommand}" Content="Print" Margin="2" />
+                            <Button Command="{Binding AlertCommand}" Content="Alert" Margin="2" />
+                        </StackPanel>
+                        
                     </Grid>
                 </Grid>
             </TabItem>

TestClients/MtApi5TestClient/ViewModel.cs

@@ -70,6 +70,7 @@ namespace MtApi5TestClient
         public DelegateCommand GetLastErrorCommand { get; private set; }
         public DelegateCommand ResetLastErrorCommand { get; private set; }
         public DelegateCommand PrintCommand { get; private set; }
+        public DelegateCommand AlertCommand { get; private set; }
 
         public DelegateCommand iCustomCommand { get; private set; }
 
@@ -425,6 +426,7 @@ namespace MtApi5TestClient
             PositionOpenCommand = new DelegateCommand(ExecutePositionOpen);
 
             PrintCommand = new DelegateCommand(ExecutePrint);
+            AlertCommand = new DelegateCommand(ExecuteAlert);
             GetLastErrorCommand = new DelegateCommand(ExecuteGetLastError);
             ResetLastErrorCommand = new DelegateCommand(ExecuteResetLastError);
 
@@ -1136,6 +1138,14 @@ namespace MtApi5TestClient
             AddLog($"Print: message print in MetaTrader - {retVal}");
         }
 
+        private void ExecuteAlert(object obj)
+        {
+            var message = MessageText;
+
+            _mtApiClient.Alert(message);
+            AddLog($"Alert: send alert to MetaTrader - {message}.");
+        }
+
         private async void ExecuteGetLastError(object obj)
         {
             var retVal = await Execute(() => _mtApiClient.GetLastError());