GetWindowLongPtr (user32)
Last changed: -202.74.138.1

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Summary

C# Signature:

// This static method is required because legacy OSes do not support
// GetWindowLongPtr
public static IntPtr GetWindowLongPtr(HandleRef hWnd, int nIndex)
{
     if (IntPtr.Size == 8)
     return GetWindowLongPtr64(hWnd, nIndex);
     else
     return new IntPtr(GetWindowLong32(hWnd, nIndex));
}

[DllImport("user32.dll", EntryPoint="GetWindowLong")]
private static extern int GetWindowLong32(HandleRef hWnd, int nIndex);

[DllImport("user32.dll", EntryPoint="GetWindowLongPtr")]
private static extern IntPtr GetWindowLongPtr64(HandleRef hWnd, int nIndex);

User-Defined Types:

None.

Notes:

None.

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Sample Code:

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Documentation