Question

How to create and destroy heap using kernel32.dll in C#

Answer 1

using System.Runtime.InteropServices;

namespace WinFormsApp1
{
    public partial class Form1 : Form
    {
        [DllImport("kernel32.dll")]
        static extern IntPtr HeapCreate(uint flOptions, UIntPtr dwInitialSize, UIntPtr dwMaximumSize);

        [DllImport("kernel32.dll")]
        static extern bool HeapDestroy(IntPtr hHeap);

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            IntPtr heap = HeapCreate(0, 4096, UIntPtr.Zero);

            label1.Text = heap.ToString();

            HeapDestroy(heap);
        }
    }
}



/*
 * run:
 *
 * "1973398667264"
 * 
 */

 

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