C# Signature:

[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern bool AppendMenu(IntPtr hMenu, MenuFlags uFlags, uint uIDNewItem, string lpNewItem);

VB Signature:

<DllImport("user32.dll", CharSet = CharSet.Auto)>_
Shared Function AppendMenu(ByVal hMenu As IntPtr, ByVal uFlags As MenuFlags, ByVal uIDNewItem As Int32, ByVal lpNewItem As String) As Boolean

End Function

User-Defined Types:

[Flags]
public enum MenuFlags : uint
{
     MF_STRING = 0,
     MF_BYPOSITION = 0x400,
     MF_SEPARATOR = 0x800,
     MF_REMOVE = 0x1000,
}

User-Defined Types:

    <Flags()> _
    Public Enum MenuFlags As Integer
    MF_BYPOSITION = 1024
    MF_REMOVE = 4096
    MF_SEPARATOR = 2048
    MF_STRING = 0
    End Enum

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

<DllImport("user32.dll", CallingConvention:=CallingConvention.Cdecl)> _
    Private Shared Function GetSystemMenu(ByVal hWnd As IntPtr, ByVal bRevert As Boolean) As IntPtr
Private Shared Function GetSystemMenu(ByVal hWnd As IntPtr, ByVal bRevert As Boolean) As IntPtr
    End Function

    <Flags()> _
    Public Enum MenuFlags As Integer
        MF_BYPOSITION = 1024
        MF_REMOVE = 4096
        MF_SEPARATOR = 2048
        MF_STRING = 0
    MF_BYPOSITION = 1024
    MF_REMOVE = 4096
    MF_SEPARATOR = 2048
    MF_STRING = 0
    End Enum

<DllImport("user32.dll", CharSet:=CharSet.Auto)> _
    Shared Function AppendMenu(ByVal hMenu As IntPtr, ByVal uFlags As MenuFlags, ByVal uIDNewItem As Int32, ByVal lpNewItem As String) As Boolean
    End Function
    <DllImport("user32.dll", CharSet:=CharSet.Auto)> _
    Shared Function AppendMenu(ByVal hMenu As IntPtr, ByVal uFlags As MenuFlags, ByVal uIDNewItem As Int32, ByVal lpNewItem As String) As Boolean
    End Function

    Private Sub insertMenu(ByVal strMenuItem As String)
        Dim hMenu = GetSystemMenu(Me.Handle, False)
        AppendMenu(hMenu, MenuFlags.MF_STRING, 2, strMenuItem)
    Dim hMenu = GetSystemMenu(Me.Handle, False)
    AppendMenu(hMenu, MenuFlags.MF_STRING, 2, strMenuItem)
    End Sub

Alternative Managed API:

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