diff --git a/OOP2024_AMP.sln b/OOP2024_AMP.sln
index f3ae1abd30d4390a6104af0a6b86c45b9deafcc6..5e3c16eaa3aae3f6bf7beb5517f3581778a96b4e 100644
--- a/OOP2024_AMP.sln
+++ b/OOP2024_AMP.sln
@@ -39,11 +39,15 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P16 GenericKeyValueList", "
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P17 Intro Delegates", "P17 Intro Delegates\P17 Intro Delegates.csproj", "{8E449A0E-B181-4E03-9BF5-732A32CF7A02}"
EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P18 Delegate Uebg", "P18 Delegate Uebg\P18 Delegate Uebg.csproj", "{0E2DADFD-9A74-499C-8B0F-8D5F05A0C890}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P18 Delegate Uebg", "P18 Delegate Uebg\P18 Delegate Uebg.csproj", "{0E2DADFD-9A74-499C-8B0F-8D5F05A0C890}"
EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P19 WPF_Demo", "P19 WPF_Demo\P19 WPF_Demo.csproj", "{5E98294F-B48D-4D2D-B26E-43B36AEAD46F}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P19 WPF_Demo", "P19 WPF_Demo\P19 WPF_Demo.csproj", "{5E98294F-B48D-4D2D-B26E-43B36AEAD46F}"
EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P20 Liste mit Delegate", "P20 Liste mit Delegate\P20 Liste mit Delegate.csproj", "{FF28F272-A827-4234-B95C-947C69D26349}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P20 Liste mit Delegate", "P20 Liste mit Delegate\P20 Liste mit Delegate.csproj", "{FF28F272-A827-4234-B95C-947C69D26349}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P21 Ref", "P21 Ref\P21 Ref.csproj", "{BFA3D217-5696-43B1-94A5-2B90851732EA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P22 DelVariableButton", "P22 DelVariableButton\P22 DelVariableButton.csproj", "{32D834E6-C426-432B-A162-78CE0E88E714}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -135,6 +139,14 @@ Global
{FF28F272-A827-4234-B95C-947C69D26349}.Debug|Any CPU.Build.0 = Debug|Any CPU
{FF28F272-A827-4234-B95C-947C69D26349}.Release|Any CPU.ActiveCfg = Release|Any CPU
{FF28F272-A827-4234-B95C-947C69D26349}.Release|Any CPU.Build.0 = Release|Any CPU
+ {BFA3D217-5696-43B1-94A5-2B90851732EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {BFA3D217-5696-43B1-94A5-2B90851732EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {BFA3D217-5696-43B1-94A5-2B90851732EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {BFA3D217-5696-43B1-94A5-2B90851732EA}.Release|Any CPU.Build.0 = Release|Any CPU
+ {32D834E6-C426-432B-A162-78CE0E88E714}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {32D834E6-C426-432B-A162-78CE0E88E714}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {32D834E6-C426-432B-A162-78CE0E88E714}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {32D834E6-C426-432B-A162-78CE0E88E714}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
diff --git a/P18 Delegate Uebg/Program.cs b/P18 Delegate Uebg/Program.cs
index 509b06c59b77b691634544f18eb84b59bbba2f70..907d0b35d5fe3d7477697eb0afc41f4d8cb3932a 100644
--- a/P18 Delegate Uebg/Program.cs
+++ b/P18 Delegate Uebg/Program.cs
@@ -21,7 +21,24 @@
delegate T ChangeFn<T>(T x);
delegate bool FilterFn<T>(T x);
- static int[] ForAll(ChangeFn<int> fn, params int[] array)
+ //static int[] ForAll(ChangeFn<int> fn, params int[] array)
+ //{
+ // for (int i = 0; i < array.Length; i++)
+ // {
+ // array[i] = fn(array[i]);
+ // }
+ // return array;
+ //}
+ static void PrintAll<T>(params T[] array)
+ {
+ for (int i = 0; i < array.Length; i++)
+ {
+ Console.Write($"{array[i]} ");
+ }
+ Console.WriteLine();
+ }
+
+ static T[] ForAll<T>(Func<T,T> fn, params T[] array)
{
for (int i = 0; i < array.Length; i++)
{
@@ -29,19 +46,20 @@
}
return array;
}
- //static T[] ForAll<T>(ChangeFn<T> fn, params T[] array)
- //{
-
- //}
- static T[] Select<T>(FilterFn<T> fn, T[] array)
+ static T[] Select<T>(Predicate<T> test, T[] array)
{
List<T> list = new List<T>();
- list.Add(array[0]);
+ for (int i = 0; i < array.Length; i++)
+ {
+ if (test(array[i]) == true)
+ list.Add(array[i]);
+ }
return list.ToArray();
}
static void Main(string[] args)
{
- ForAll(x => x * x, 1, 2, 3, 4, 5);
+ PrintAll(Select(x=> x%2==0, ForAll(x => x * x, 1, 2, 3, 4, 5)));
+ PrintAll(ForAll(s => s.ToUpper(), "Anton", "Berta", "Claudia", "Dieter"));
}
}
}
diff --git a/P20 Liste mit Delegate/Program.cs b/P20 Liste mit Delegate/Program.cs
index 6c088a0a4e7dcc8c40de421e673a52b0cf61eb35..2235859906c19a55c78a95ea5d62b6fecdb6e307 100644
--- a/P20 Liste mit Delegate/Program.cs
+++ b/P20 Liste mit Delegate/Program.cs
@@ -23,11 +23,10 @@ namespace P20_Liste_mit_Delegate
{
last = last.next = item;
}
-
}
}
- public delegate bool meinTest<T>(T s);
- internal IEnumerable<T> AllPers(meinTest<T> test)
+ //public delegate bool Predicate<U>(U s);
+ public IEnumerable<T> GetData(Predicate<T> test)
{
for (LItem item = first; item != null; item = item.next)
{
@@ -35,6 +34,11 @@ namespace P20_Liste_mit_Delegate
yield return item.data;
}
}
+ public IEnumerator<T> GetEnumerator()
+ {
+ for (LItem item = first; item != null; item = item.next)
+ yield return item.data;
+ }
}
internal class Program
{
@@ -43,18 +47,22 @@ namespace P20_Liste_mit_Delegate
Liste<string> pers = new Liste<string>();
pers.Add("Anton");
pers.Add("Berta", "Claudia", "Dieter", "Egon");
- //foreach (var item in pers.AllPers(s => s.Contains("er")))
- foreach (var item in pers.AllPers(s => s[^1] == 'n'))
+ //foreach (var item in pers.GetData(s => s.Contains("er")))
+ foreach (var item in pers.GetData(LetztesZeichenN))
{
Console.WriteLine(item);
}
Liste<int> il = new();
il.Add(1,2,3,4,5,6,7,8,9);
- foreach (var item in il.AllPers(x => x%2==0))
+ foreach (var item in il.GetData(x => x%2==0))
{
Console.WriteLine(item);
}
}
+ static bool LetztesZeichenN(string s)
+ {
+ return s[^1] == 'n';
+ }
}
}
diff --git a/P21 Ref/P21 Ref.csproj b/P21 Ref/P21 Ref.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..d7f7f81b05299930d750dd586f690ac60ed0e34f
--- /dev/null
+++ b/P21 Ref/P21 Ref.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+ <PropertyGroup>
+ <OutputType>Exe</OutputType>
+ <TargetFramework>net8.0</TargetFramework>
+ <RootNamespace>P21_Ref</RootNamespace>
+ <ImplicitUsings>enable</ImplicitUsings>
+ <Nullable>enable</Nullable>
+ </PropertyGroup>
+
+</Project>
diff --git a/P21 Ref/Program.cs b/P21 Ref/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..5dc6584f24bd37a40237d66d5669d8e8b77850e8
--- /dev/null
+++ b/P21 Ref/Program.cs
@@ -0,0 +1,40 @@
+namespace P21_Ref
+{
+ internal class Program
+ {
+ static void DoIt1(int[] f)
+ {
+ for (int i = 0; i < f.Length; i++)
+ {
+ f[i] = f[i] + 1;
+ }
+ }
+ static void DoIt2(int[] f)
+ {
+ int[] erg = new int[f.Length];
+ for (int i = 0; i < f.Length; i++)
+ {
+ erg[i] = f[i] + 1;
+ }
+ f=erg;
+ }
+ static void DoIt3(ref int[] f)
+ {
+ int[] erg = new int[f.Length];
+ for (int i = 0; i < f.Length; i++)
+ {
+ erg[i] = f[i] + 1;
+ }
+ f = erg;
+ }
+ static void Main(string[] args)
+ {
+ int[] ff = { 1, 2, 3, 4, 5 }; // #100.000
+ DoIt3(ref ff);
+ for (int i = 0; i < ff.Length; i++)
+ {
+ Console.WriteLine(ff[i]);
+ }
+ }
+ }
+}
diff --git a/P22 DelVariableButton/P22 DelVariableButton.csproj b/P22 DelVariableButton/P22 DelVariableButton.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..ed7d2319f1a7cde7dde3f2d25174849cc3a70b7b
--- /dev/null
+++ b/P22 DelVariableButton/P22 DelVariableButton.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+ <PropertyGroup>
+ <OutputType>Exe</OutputType>
+ <TargetFramework>net8.0</TargetFramework>
+ <RootNamespace>P22_DelVariableButton</RootNamespace>
+ <ImplicitUsings>enable</ImplicitUsings>
+ <Nullable>enable</Nullable>
+ </PropertyGroup>
+
+</Project>
diff --git a/P22 DelVariableButton/Program.cs b/P22 DelVariableButton/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..ae9fbcf13c5398b011e2895eecf932ebba001367
--- /dev/null
+++ b/P22 DelVariableButton/Program.cs
@@ -0,0 +1,42 @@
+namespace P22_DelVariableButton
+{
+ public delegate void OnClickDelegate(string s);
+ class Button
+ {
+ public event OnClickDelegate onClick;
+ // Event ~ Einschränkung des Del.-Zugriffs:
+ // nur += und -= sowie Del.Aufruf aus der definierenden Klasse
+ public void FireClick(string msg)
+ {
+ //if (onClick != null)
+ // onClick(msg);
+ onClick?.Invoke(msg);
+
+ foreach (var item in onClick.GetInvocationList()) {
+ ((OnClickDelegate) item)(msg);
+ }
+
+ }
+ }
+ class Program
+ {
+ static void MeinClickHandler(string s)
+ {
+ Console.WriteLine($"Es ist ein Klick erfolgt. Msg: {s}");
+ }
+ static void Main(string[] args)
+ {
+ Button button = new Button();
+ //button.FireClick("Klick");
+
+ // Registrierung der interessierten Event-Handler
+ button.onClick += MeinClickHandler;
+ button.onClick += s => Console.WriteLine($"Mich interessiert die Message >{s}< ebenso");
+ // button.onClick = MeinClickHandler; -- Bei Events ist = verboten
+
+ // Aufruf der Delegate-Variablen
+ button.FireClick("Klick");
+ //button.onClick("Hallo Welt");
+ }
+ }
+}