writeprocessmemory (kernel32)
Last changed: 109.202.69.200

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Summary

C# Signature:

[DllImport("kernel32.dll")]
static extern bool WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress,
   byte [] lpBuffer, UIntPtr nSize, out IntPtr lpNumberOfBytesWritten);

VB.Net Signature:

<DllImport("kernel32.dll")> _
Public Shared Function WriteProcessMemory(ByVal hProcess As IntPtr, ByVal lpBaseAddress As IntPtr, ByVal lpBuffer As Byte(), ByVal nSize As UIntPtr, <Out()> ByRef lpNumberOfBytesWritten As IntPtr) As Boolean
End Function

User-Defined Types:

None.

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

public IntPtr WriteByteArray( IntPtr BaseAddress, byte [] NewVal )
{
    // Return Value
    int ReturnVal;

    // Write Memory Byte Array
    ReturnVal = WriteProcessMemory( this.hProcess, BaseAddress, NewVal, (UIntPtr)NewVal.Length, out this.BytesWritten );

    return this.BytesWritten;
}

Alternative Managed API:

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Documentation