C# Signature:
[Obsolete("This method will crash on 64-bit operating systems. Use GetClassLongPtr instead"),
DllImport("user32.dll")]
static extern uint GetClassLong(IntPtr hWnd, int nIndex);
User-Defined Types:
None.
Notes:
This declaration will crash on 64-bit operating systems.
"GetClassLong" is obsolete and "GetClassLongPtr" should be used instead.
Tips & Tricks:
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Sample Code:
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Alternative Managed API:
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