Add a vertical label control

Core/Controls/LabelVertical.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace TweetDuck.Core.Controls{
+    sealed class LabelVertical : Label{
+        public int LineHeight { get; set; }
+
+        protected override void OnPaint(PaintEventArgs e){
+            int y = (int)Math.Floor((ClientRectangle.Height-Text.Length*LineHeight)/2F)-2; // 2 = random
+
+            using(Brush brush = new SolidBrush(ForeColor)){
+                foreach(char chr in Text){
+                    string str = chr.ToString();
+                    float x = (ClientRectangle.Width-e.Graphics.MeasureString(str, Font).Width)/2F;
+
+                    e.Graphics.DrawString(str, Font, brush, x, y);
+                    y += LineHeight;
+                }
+            }
+        }
+    }
+}

TweetDuck.csproj

@@ -80,6 +80,9 @@
     <Compile Include="Core\Controls\FlatProgressBar.cs">
       <SubType>Component</SubType>
     </Compile>
+    <Compile Include="Core\Controls\LabelVertical.cs">
+      <SubType>Component</SubType>
+    </Compile>
     <Compile Include="Core\Controls\TabButton.cs">
       <SubType>Component</SubType>
     </Compile>