add export to c# button

proguard/examples/annotations/examples.pro

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+#
+# This ProGuard configuration file illustrates how to use annotations for
+# specifying which classes and class members should be kept.
+# Usage:
+#     java -jar proguard.jar @examples.pro
+#
+
+# Specify the input, output, and library jars.
+# This is assuming the code has been compiled in the examples directory.
+
+-injars  examples(*.class)
+-outjars out
+
+# Before Java 9, the runtime classes were packaged in a single jar file.
+#-libraryjars <java.home>/lib/rt.jar
+
+# As of Java 9, the runtime classes are packaged in modular jmod files.
+-libraryjars <java.home>/jmods/java.base.jmod(!**.jar;!module-info.class)
+#-libraryjars <java.home>/jmods/.....
+
+# Some important configuration is based on the annotations in the code.
+# We have to specify what the annotations mean to ProGuard.
+
+-include lib/annotations.pro
+
+#
+# We can then still add any other options that might be useful.
+#
+
+# Print out a list of what we're preserving.
+
+-printseeds
+
+# Preserve all annotations themselves.
+
+-keepattributes *Annotation*
+
+# Preserve all native method names and the names of their classes.
+
+-keepclasseswithmembernames,includedescriptorclasses class * {
+    native <methods>;
+}
+
+# Preserve the special static methods that are required in all enumeration
+# classes.
+
+-keepclassmembers,allowoptimization enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+# Explicitly preserve all serialization members. The Serializable interface
+# is only a marker interface, so it wouldn't save them.
+# You can comment this out if your application doesn't use serialization.
+# If your code contains serializable classes that have to be backward 
+# compatible, please refer to the manual.
+
+-keepclassmembers class * implements java.io.Serializable {
+    static final long serialVersionUID;
+    static final java.io.ObjectStreamField[] serialPersistentFields;
+    private void writeObject(java.io.ObjectOutputStream);
+    private void readObject(java.io.ObjectInputStream);
+    java.lang.Object writeReplace();
+    java.lang.Object readResolve();
+}

proguard/examples/annotations/examples/Applet.java

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+import proguard.annotation.*;
+
+/**
+ * This applet illustrates the use of annotations for configuring ProGuard.
+ *
+ * You can compile it with:
+ *     javac -classpath ../lib/annotations.jar Applet.java
+ * You can then process it with:
+ *     java -jar ../../../lib/proguard.jar @ ../examples.pro
+ *
+ * The annotation will preserve the class and its essential methods,
+ * as a result of the specifications in lib/annotations.pro.
+ */
+@Keep
+public class Applet extends java.applet.Applet
+{
+    // Implementations for Applet.
+
+    public void init()
+    {
+        // ...
+    }
+}

proguard/examples/annotations/examples/Application.java

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+import proguard.annotation.KeepApplication;
+
+/**
+ * This application illustrates the use of annotations for configuring ProGuard.
+ *
+ * You can compile it with:
+ *     javac -classpath ../lib/annotations.jar Application.java
+ * You can then process it with:
+ *     java -jar ../../../lib/proguard.jar @ ../examples.pro
+ *
+ * The annotation will preserve the class and its main method,
+ * as a result of the specifications in lib/annotations.pro.
+ */
+@KeepApplication
+public class Application
+{
+    public static void main(String[] args)
+    {
+        System.out.println("The answer is 42");
+    }
+}

proguard/examples/annotations/examples/Bean.java

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+import proguard.annotation.*;
+
+/**
+ * This bean illustrates the use of annotations for configuring ProGuard.
+ *
+ * You can compile it with:
+ *     javac -classpath ../lib/annotations.jar Bean.java
+ * You can then process it with:
+ *     java -jar ../../../lib/proguard.jar @ ../examples.pro
+ *
+ * The annotations will preserve the class and its public getters and setters,
+ * as a result of the specifications in lib/annotations.pro.
+ */
+@Keep
+@KeepPublicGettersSetters
+public class Bean
+{
+    public boolean booleanProperty;
+    public int     intProperty;
+    public String  stringProperty;
+
+
+    public boolean isBooleanProperty()
+    {
+        return booleanProperty;
+    }
+
+
+    public void setBooleanProperty(boolean booleanProperty)
+    {
+        this.booleanProperty = booleanProperty;
+    }
+
+
+    public int getIntProperty()
+    {
+        return intProperty;
+    }
+
+
+    public void setIntProperty(int intProperty)
+    {
+        this.intProperty = intProperty;
+    }
+
+
+    public String getStringProperty()
+    {
+        return stringProperty;
+    }
+
+
+    public void setStringProperty(String stringProperty)
+    {
+        this.stringProperty = stringProperty;
+    }
+}

proguard/examples/annotations/examples/NativeCallBack.java

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+import proguard.annotation.*;
+
+/**
+ * This application illustrates the use of annotations for configuring ProGuard.
+ *
+ * You can compile it with:
+ *     javac -classpath ../lib/annotations.jar NativeCallBack.java
+ * You can then process it with:
+ *     java -jar ../../../lib/proguard.jar @ ../examples.pro
+ *
+ * The annotation will preserve the class and its main method,
+ * as a result of the specifications in lib/annotations.pro.
+ */
+@KeepApplication
+public class NativeCallBack
+{
+    /**
+     * Suppose this is a native method that computes an answer.
+     *
+     * The -keep option for native methods in the regular ProGuard
+     * configuration will make sure it is not removed or renamed when
+     * processing this code.
+     */
+    public native int computeAnswer();
+
+
+    /**
+     * Suppose this method is called back from the above native method.
+     *
+     * ProGuard would remove it, because it is not referenced from java.
+     * The annotation will make sure it is preserved anyhow.
+     */
+    @Keep
+    public int getAnswer()
+    {
+        return 42;
+    }
+
+
+    /**
+     * The main entry point of the application.
+     *
+     * The @KeepApplication annotation of this class will make sure it is not
+     * removed or renamed when processing this code.
+     */
+    public static void main(String[] args)
+    {
+        int answer = new NativeCallBack().computeAnswer();
+
+        System.out.println("The answer is " + answer);
+    }
+}