protected TDelegate dlg; // Your delegate
public Swizzle(Class victim, IntPtr selector, TDelegate del, bool isClassMethod = false)
{
dlg = del;
victimSel = selector;
originalMethod = isClassMethod ? LibObjc.class_getClassMethod(victim.Handle, victimSel) : LibObjc.class_getInstanceMethod(victim.Handle, victimSel);
originalImpl = LibObjc.method_getImplementation(originalMethod);
newImpl = Marshal.GetFunctionPointerForDelegate(del as System.Delegate);
LibObjc.method_setImplementation(originalMethod, newImpl);
}
protected TDelegate dlg; // Your delegate
public Swizzle(NSObject victim, string selector, TDelegate del)
{
dlg = del;
victimSel = Selector.GetHandle(selector);
originalMethod = LibObjc.class_getInstanceMethod(victim.ClassHandle, victimSel);
originalImpl = LibObjc.method_getImplementation(originalMethod);
newImpl = Marshal.GetFunctionPointerForDelegate(del as System.Delegate);
LibObjc.method_setImplementation(originalMethod, newImpl);
}
protected virtual void Dispose(bool disposing)
{
if (isDisposed)
{
return;
}
if (originalMethod != IntPtr.Zero && originalImpl != IntPtr.Zero)
{
LibObjc.method_setImplementation(originalMethod, originalImpl);
originalMethod = IntPtr.Zero;
}
isDisposed = true;
}
public void Dispose()
{
LibObjc.method_setImplementation(swizzle.originalMethod, swizzle.newImpl);
swizzle = null;
}
public Unswizzle(Swizzle <TDelegate> swizzle)
{
this.swizzle = swizzle;
LibObjc.method_setImplementation(swizzle.originalMethod, swizzle.originalImpl);
}
public virtual void Dispose()
{
LibObjc.method_setImplementation(originalMethod, originalImpl);
}