From 609130688b53107d2efb564bf0ec8c3b50ebdf38 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=81=93=E3=81=AE=E4=B8=AD=E4=BA=8C=E7=97=85=E3=81=AB?=
 =?UTF-8?q?=E7=88=86=E7=84=94=E3=82=92=EF=BC=81?=
 <xie.guigang@gcmodeller.org>
Date: Sat, 26 Aug 2023 14:44:45 +0800
Subject: [PATCH] Update MapObject.vb

---
 src/Parallel/MemoryMap/MapObject.vb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/Parallel/MemoryMap/MapObject.vb b/src/Parallel/MemoryMap/MapObject.vb
index b7ddc4d..6833cb9 100644
--- a/src/Parallel/MemoryMap/MapObject.vb
+++ b/src/Parallel/MemoryMap/MapObject.vb
@@ -115,6 +115,10 @@ Public Class MapObject : Implements IDisposable
         }
     End Function
 
+    Public Shared Function Exists(hMem As MapObject) As Boolean
+        Return Exists(hMem.hMem)
+    End Function
+
     ''' <summary>
     ''' Test file exists?
     ''' </summary>
@@ -131,6 +135,14 @@ Public Class MapObject : Implements IDisposable
         End Try
     End Function
 
+    Public Shared Sub Allocate(file As MapObject)
+        Try
+            Call Allocate(file.size, file.hMem)
+        Catch ex As Exception
+
+        End Try
+    End Sub
+
     ''' <summary>
     ''' Allocate an empty memory region
     ''' </summary>