public static bool Contains(this System.Delegate del, System.Type type, string methodName)
{
bool contains = false;
if (del != null && del.GetInvocationList() != null)
{
contains = !System.Array.TrueForAll(del.GetInvocationList(), invoker => invoker.Method.DeclaringType != type && invoker.Method.Name != methodName);
}
return(contains);
}
public static void CreateDelegate(ref System.Delegate self, System.Type type = null)
{
if (self != null)
{
foreach (var inv in self.GetInvocationList())
{
self = System.Delegate.Combine(self, System.Delegate.CreateDelegate(type ?? inv.Method.ReturnType, inv.Target, inv.Method));
}
}
}
/// <summary>
/// delegateの仕様上、targetのInvocationListは空になりませんので、戻り値を使用してください。
/// <seealso cref="Hinode.Tests.CSharp.Extensions.TestDelegateExtensions.ClearInvocationsPasses()"/>
/// </summary>
/// <param name="target"></param>
/// <returns></returns>
public static System.Delegate ClearInvocations(this System.Delegate target)
{
if (target == null)
{
return(null);
}
var list = target.GetInvocationList();
for (var i = 0; i < list.Length; ++i)
{
target = System.Delegate.Remove(target, list[i]);
}
return(target);
}
public static bool HasDelegate(System.Delegate mainDelegate, System.Delegate targetListener)
{
if (mainDelegate != null)
{
if (mainDelegate.GetInvocationList().Contains(targetListener))
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
private bool OnPreProcess(ref Forms::Message msg)
{
System.Delegate ev = base.Events[EV_PRE_PROC];
if (ev == null)
{
return(false);
}
System.Delegate[] delegs = ev.GetInvocationList();
for (int i = delegs.Length - 1; i >= 0; i--)
{
WndProcEventHandler proc = (WndProcEventHandler)delegs[i];
if (proc(this, ref msg))
{
return(true);
}
}
return(false);
}
/// <summary>
/// 要求された名前を持つ文字処理関数を返します。
/// 見つからない場合は null を返します。
/// </summary>
protected System.Delegate GetLetterHandlerEx(string key)
{
//--自分の所から呼び出し
System.Delegate dlg = this.hLttr[key] as System.Delegate;
if (dlg != null)
{
LetterHandler2Txt[] ary = (LetterHandler2Txt[])dlg.GetInvocationList();
return(ary[ary.Length - 1]);
}
//--継承元からの呼び出し
foreach (Context2Txt c in this.implements)
{
dlg = c.GetLetterHandlerEx(key);
if (dlg != null)
{
return(dlg);
}
}
return(null);
}
public static System.Delegate ConvertTo(this System.Delegate self, System.Type type)
{
if (type == null)
{
throw new System.ArgumentNullException("type");
}
if (self == null)
{
return(null);
}
if (self.GetType() == type)
{
return(self);
}
return(System.Delegate.Combine(
self.GetInvocationList()
.Select(i => System.Delegate.CreateDelegate(type, i.Target, i.Method))
.ToArray()));
}
public void Test(System.Delegate a_Event, string a_EventName)
{
if (!test_enabled)
{
return;
}
if (a_Event == null)
{
return;
}
if (_HandlerCounts == null)
{
_HandlerCounts = new Dictionary <string, int>();
}
// Count handlers
_listeners = a_Event.GetInvocationList();
int listenCount = _listeners.Length;
_HandlerCounts[a_EventName] = listenCount;
}
public static bool IsRegistered <T1, T2>(System.Delegate source, System.Action <T1, T2> compare)
{
if (source == null || compare == null)
{
return(false);
}
System.Delegate[] delegates = source.GetInvocationList();
if (delegates == null || delegates.Length == 0)
{
return(false);
}
for (int i = 0; i < delegates.Length; i++)
{
if (delegates[i].Equals(compare))
{
return(true);
}
}
return(false);
}
public static bool Contains(this System.Delegate @delegate, string methodName)
{
return(!System.Array.TrueForAll(@delegate.GetInvocationList(), invoker => invoker.Method.Name != methodName));
}