Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

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Hi,
We are using Delphi DLL in our c# application like:

C#

[DllImport("SAPIDLL.DLL")]
public static extern Int32 PSpeak(string Text);

And we are calling this method through delegate Asyncronous then the following error occured:

Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Posted 3-Nov-11 2:34am

Member 3827009

Updated 3-Nov-11 2:35am

André Kraak

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André Kraak 3-Nov-11 8:35am

Edited question:
Added pre tags

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Solution 2

For the benefit of others, this question was also asked in the C# Corner web site and in the MSDN forums.

Posted 3-Nov-11 10:07am

Sam Hobbs

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Member 3827009 4-Nov-11 1:06am

I have already posted the same.

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Pranit Kothari · Accepted Answer · 2011-11-03T02:38:00

Solution 1

Rebuild DLL and try again. It may work.

Posted 3-Nov-11 2:38am

Pranit Kothari

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Member 3827009 3-Nov-11 8:52am

I already did but no success.
Actually in Delphi Pascal coding below give the error:
TTSCentral.TextData(CHARSET_TEXT, 1, SData, Pointer(TTSBufNotifySink), IID_ITTSBufNotifySink);

Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

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Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

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Solution 2

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