bug of overflow due to IntPtr solved

源代码/StgSharp/Graphics/GLFunc.cs

@@ -32,7 +32,7 @@ namespace StgSharp
             else
             {
                 windowPtr = glIO.internalGLcreateWindow(
-                    width, height, tittle, monitor, (IntPtr)share.windowPtr);
+                    width, height, tittle, monitor, (IntPtr)share.windowID);
             }
 
 
@@ -44,7 +44,7 @@ namespace StgSharp
             {
                 Form form = new Form();
                 form.Size = new vec2d(width, height);
-                form.windowPtr = windowPtr;
+                form.windowID = (long)windowPtr;
                 return form;
             }
         }
@@ -61,41 +61,40 @@ namespace StgSharp
         /// <exception cref="Exception"></exception>
         public static unsafe Form GLcreateWindow(int width, int height, string tittle, IntPtr monitor, IntPtr share)
         {
-            Form form = new Form();
-            form.Size = new vec2d(width, height);
-
             byte[] tittleCharArray = System.Text.Encoding.UTF8.GetBytes(tittle);
-            IntPtr windowPtr = glIO.internalGLcreateWindow(width, height, tittleCharArray, monitor, share);
-
-
-            form.info.name = tittleCharArray;
-            form.windowPtr = windowPtr;
-            Console.WriteLine(windowPtr);
+            long windowPtr = (long)glIO.internalGLcreateWindow
+                (width, height, tittleCharArray, monitor, share);
 
             if ((int)windowPtr == -1 || (int)windowPtr == -2)
             {
-                throw new Exception("Cannot create window instance!");
+                throw new Exception("Cannot create the form!");
+            }
+            else
+            {
+                Form form = new Form();
+                form.Size = new vec2d(width, height);
+                form.windowID = windowPtr;
+                return form;
             }
-            return form;
         }
 
 
         public static unsafe void GLmakeContexCurrent(Form form)
         {
-            glIO.internalGLmakeContextCurrent((IntPtr)form.windowPtr);
+            glIO.internalGLmakeContextCurrent((IntPtr)form.windowID);
         }
 
 
         public static unsafe bool GLwindowShouldClose(Form form)
         {
-            int a = glIO.internalGLwindowShouldClose((IntPtr)form.windowPtr);
+            int a = glIO.internalGLwindowShouldClose((IntPtr)form.windowID);
             return a != 0;
         }
 
 
         public static unsafe void GLswapBuffers(Form form)
         {
-            glIO.internalGLswapBuffers((IntPtr)form.windowPtr);
+            glIO.internalGLswapBuffers((IntPtr)form.windowID);
         }
 
     }