C# Signature:

[DllImport("user32.dll", ExactSpelling=true)]
static extern IntPtr GetAncestor(IntPtr hwnd, uint gaFlags);

User-Defined Types:

const uint GA_PARENT = 1;
const uint GA_ROOT = 2;
const uint GA_ROOTOWNER = 3;

Notes:

None.

Tips & Tricks:

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Sample Code:

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Alternative Managed API:

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