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Questions - access-violation

Correctly managing pointers in C++ Quadtree implementation

I'm working on a C++ quadtree implementation for collision detection. I tried to adapt this Java implementation to C++ by using pointers; namely, storing the child nodes of each node as Node pointers ...
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Nick Román

c++

pointers

access-violation

quadtree

Votes: 0

Answers: 0

"Microsoft.Xna.Framework.Graphics.GraphicsDevice.GraphicsDevice" giving me AccessViolationException

So, recently I was following a tutorial on how to make a game with FNA in Visual Studio. Everything worked fine until I added these four lines of code (in cs): graphics.PreferredBackBufferWidth = 1280...
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Sebry

c#

xna

access-violation

Votes: 0

Answers: 0

How to track down access violation "at address 00000000" in third party software using MadExcept of Sysinternals ProcessMonitor?

Access violation "at address 00000000" started appear to my Delphi 2009 installation. I started ProcessMonitor https://learn.microsoft.com/en-us/sysinternals/downloads/procmon and filtered e...
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TomR

delphi

access-violation

sysinternals

procmon

madexcept

Votes: 0

Answers: 0

Application.Terminate yields access violation error Delphi 10.3

The Application.Terminate() procedure causes an Access Violation once a dynamic array of TImage has been created. Array (variable length): arrImages: array of TImage; Access violation: Access violati...
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Lucas

delphi

access-violation

Votes: 0

Answers: 1

Latest Answer

freeandnil(arrImages); This is a bug. You must not call Free on a dynamic array. You can call Free on an object instance. Replace this line of code with arrImages := nil. Dynamic arrays are destroyed...
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David Heffernan

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