Made icons of forms loadable from Application.StartupPath.

Picture of frmAutor also loadable.
frmHelp shows error message if Help.rtf isn't found.
Created IconExtension.cs to load Keppler Icon.
Deleted unused usings.

B_ESA_4/B_ESA_4.csproj

@@ -62,6 +62,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Common\CommonConstants.cs" />
+    <Compile Include="Common\IconExtension.cs" />
     <Compile Include="DataLoader.cs" />
     <Compile Include="Forms\frmAutor.cs">
       <SubType>Form</SubType>
@@ -150,6 +151,17 @@
       <Install>false</Install>
     </BootstrapperPackage>
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="Impressum.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="K.ico">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="SloganMitIconTransparentCCD - ohne we%27re.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

B_ESA_4/Common/CommonConstants.cs

@@ -1,17 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace B_ESA_4.Common
+namespace B_ESA_4.Common
 {
     public static class CommonConstants
     {
         public const int ONE_SECOND = 1000;
         public const string Sign = "@";
         public const string ItemSign = "o";
         public const string Wall = "#";
-        public const string Point = ".";
+        public const string Point = ".";        
     }
 }

B_ESA_4/Common/IconExtension.cs

@@ -0,0 +1,20 @@
+using System.Drawing;
+using System.IO;
+
+namespace B_ESA_4.Common
+{
+    public static class IconExtension
+    {
+        const string K_ICON = "K.ico";
+
+        public static Icon GetKepplerIcon(this Icon icon, string startUpPath)
+        {
+            string iconFile = startUpPath + "\\" + K_ICON;
+            if (File.Exists(iconFile))
+            {
+                return new Icon(iconFile);
+            }
+            return icon;
+        }
+    }
+}

B_ESA_4/DataLoader.cs

@@ -1,9 +1,5 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace B_ESA_4
 {

B_ESA_4/Forms/frmAutor.cs

@@ -1,12 +1,8 @@
 using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
 using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows.Forms;
+using B_ESA_4.Common;
+using System.IO;
 
 namespace B_ESA_4.Forms
 {
@@ -16,5 +12,23 @@ public frmAutor()
         {
             InitializeComponent();
         }
+
+        private void frmAutor_Load(object sender, EventArgs e)
+        {
+            this.Icon = Icon.GetKepplerIcon(Application.StartupPath);
+
+            string impressum = Application.StartupPath + "\\Impressum.png";
+            string slogan = Application.StartupPath + "\\SloganMitIconTransparentCCD - ohne we're.png";
+
+            if (File.Exists(impressum))
+            {
+                pictureBox1.Image = Image.FromFile(impressum);
+            }
+
+            if (File.Exists(slogan))
+            {
+                pictureBox2.Image = Image.FromFile(slogan);
+            }            
+        }
     }
 }