iswindow (user32)
Last changed: 66.74.10.85

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Summary

C# Signature:

[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool IsWindow(IntPtr hWnd);

VB.NET Signature

<DllImport("user32.dll", CharSet:=CharSet.Auto, SetLastError:=True, ExactSpelling:=True)> _
Public Shared Function IsWindow(ByVal hWnd As IntPtr) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

VB Signature

Public Declare Function IsWindow Lib "user32" _
         (ByVal hWnd As Long) As Long

User-Defined Types:

None.

Notes:

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Alternative Managed API:

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Documentation
IsWindow on MSDN