/// <summary>
/// The windows message pump.
/// </summary>
/// <param name="m">The Windows <see cref="T:System.Windows.Forms.Message" /> to process.</param>
protected override void WndProc(ref Message m)
{
base.WndProc(ref m);
// Do we have a comamnd and a shell context menu we're testing?
if (m.Msg == WM_COMMAND && TestContextMenu != null)
{
var loword = LowWord(m.WParam.ToInt32());
var hiword = HighWord(m.WParam.ToInt32());
// If the hiword is 0 it's a menu command.
if (hiword == 0)
{
// Create command info.
var commandInfo = new CMINVOKECOMMANDINFO();
commandInfo.cbSize = (uint) Marshal.SizeOf(commandInfo);
commandInfo.verb = new IntPtr(loword);
// Get a pointer to the structure.
var commandInfoPointer = Marshal.AllocHGlobal(Marshal.SizeOf(commandInfo));
Marshal.StructureToPtr(commandInfo, commandInfoPointer, false);
((IContextMenu) TestContextMenu).InvokeCommand(commandInfoPointer);
}
}
}
/// <summary>
/// Saves the invoke command information.
/// </summary>
/// <param name="isUnicode">if set to <c>true</c> the unicode structure is used.</param>
/// <param name="ici">The ici.</param>
/// <param name="iciex">The iciex.</param>
private void SaveInvokeCommandInfo(bool isUnicode, CMINVOKECOMMANDINFO ici, CMINVOKECOMMANDINFOEX iciex)
{
if (isUnicode)
{
// Create command info from the Unicode structure.
currentInvokeCommandInfo = new InvokeCommandInfo
{
WindowHandle = iciex.hwnd,
ShowCommand = iciex.nShow
};
}
else
{
// Create command info from the ANSI structure.
currentInvokeCommandInfo = new InvokeCommandInfo
{
WindowHandle = ici.hwnd,
ShowCommand = ici.nShow
};
}
}