Add a NumericUpDown control with a text suffix

Core/Controls/ControlExtensions.cs

@@ -47,6 +47,12 @@ public static void SetValueInstant(this ProgressBar bar, int value){
             }
         }
 
+        public static void SetValueSafe(this NumericUpDown numUpDown, int value){
+            if (value >= numUpDown.Minimum && value <= numUpDown.Maximum){
+                numUpDown.Value = value;
+            }
+        }
+
         public static void SetValueSafe(this TrackBar trackBar, int value){
             if (value >= trackBar.Minimum && value <= trackBar.Maximum){
                 trackBar.Value = value;

Core/Controls/NumericUpDownEx.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel;
+using System.Windows.Forms;
+
+namespace TweetDuck.Core.Controls{
+    sealed class NumericUpDownEx : NumericUpDown{
+        public string TextSuffix { get; set ; }
+
+        protected override void UpdateEditText(){
+            base.UpdateEditText();
+
+            if (LicenseManager.UsageMode != LicenseUsageMode.Designtime){
+                ChangingText = true;
+                Text += TextSuffix;
+                ChangingText = false;
+            }
+        }
+    }
+}

TweetDuck.csproj

@@ -83,6 +83,9 @@
     <Compile Include="Core\Controls\LabelVertical.cs">
       <SubType>Component</SubType>
     </Compile>
+    <Compile Include="Core\Controls\NumericUpDownEx.cs">
+      <SubType>Component</SubType>
+    </Compile>
     <Compile Include="Core\Handling\BrowserProcessHandler.cs" />
     <Compile Include="Core\Handling\ContextMenuBase.cs" />
     <Compile Include="Core\Handling\ContextMenuBrowser.cs" />