private const uint GA_PARENT = 1; // Retrieves the parent window.This does not include the owner, as it does with the GetParent function.

private const uint GA_ROOTOWNER = 3; // Retrieves the owned root window by walking the chain of parent and owner windows returned by GetParent.

public static extern IntPtr GetParent(IntPtr hWnd);

Public Shared Function GetParent(ByVal hWnd As IntPtr) As IntPtr

class method GetParent(hWnd: IntPtr): IntPtr; external;

Public Declare Function GetParent Lib "user32" _

Public Declare PtrSafe Function GetParent Lib "user32" (ByVal hwnd as LongPtr) as LongPtr

GetParent sets LastError

IntPtr GetParentSafe(IntPtr handle) {

   IntPtr result = GetParent(handle);

'NativeMethods.GetParentSafe(IntPtr)' calls into 'Marshal.GetLastWin32Error()' which has a LinkDemand. By making this call, 'Marshal.GetLastWin32Error()' is indirectly exposed to user code. Review the following protection:

->'NativeMethods.GetParentSafe(IntPtr)'

->'NativeMethods.GetParentSafe(IntPtr)'

    public static int GetParentProcessId()

    /// Retrieves the parent window. This does not include the owner, as it does with the GetParent function.

    GetParent = 1,

    /// Retrieves the owned root window by walking the chain of parent and owner windows returned by GetParent.

    GetParent = 1

    public static Process GetParentProcess(int pid)

        return GetParentProcess(Process.GetCurrentProcess().Id);