protected void OperateSubMenu(int popupItem, bool selectFirst)
{
popupItem = popupItem;
childMenu = new PopupMenu();
DrawCommand dc = drawCommands[popupItem] as DrawCommand;
// Find screen coordinate of Top right of item cell
Win32.POINT screenPosTR;
screenPosTR.x = dc.DrawRect.Right;
screenPosTR.y = dc.DrawRect.Top;
WindowsAPI.ClientToScreen(this.Handle, ref screenPosTR);
// Find screen coordinate of top left of item cell
Win32.POINT screenPosTL;
screenPosTL.x = dc.DrawRect.Left;
screenPosTL.y = dc.DrawRect.Top;
WindowsAPI.ClientToScreen(this.Handle, ref screenPosTL);
// Ensure the child has the same properties as ourself
childMenu.Style = this.Style;
childMenu.Font = this.Font;
// Record keyboard direction
int returnDir = 0;
returnCommand = childMenu.InternalTrackPopup(new Point(screenPosTR.x, screenPosTR.y),
new Point(screenPosTL.x, screenPosTL.y),
dc.MenuCommand.MenuCommands,
this,
selectFirst,
parentControl,
popupRight,
popupDown,
ref returnDir);
popupItem = -1;;
childMenu = null;
if (( returnCommand != null) || (returnDir != 0))
{
// Finish processing messages
timer.Stop();
exitLoop = true;
returnDir = returnDir;
}
}
