protected virtual void OnHeaderToolTip(ToolTipShowingEventArgs args) { if (this.HeaderToolTipShowing != null) this.HeaderToolTipShowing(this, args); }
private void ApplyEventFormatting(ToolTipShowingEventArgs args) { if (!args.IsBalloon.HasValue && !args.BackColor.HasValue && !args.ForeColor.HasValue && args.Title == null && !args.StandardIcon.HasValue && !args.AutoPopDelay.HasValue && args.Font == null) return; this.PushSettings(); if (args.IsBalloon.HasValue) this.IsBalloon = args.IsBalloon.Value; if (args.BackColor.HasValue) this.BackColor = args.BackColor.Value; if (args.ForeColor.HasValue) this.ForeColor = args.ForeColor.Value; if (args.StandardIcon.HasValue) this.StandardIcon = args.StandardIcon.Value; if (args.AutoPopDelay.HasValue) this.AutoPopDelay = args.AutoPopDelay.Value; if (args.Font != null) this.Font = args.Font; if (args.Title != null) this.Title = args.Title; }
protected virtual void OnShowing(ToolTipShowingEventArgs e) { if (this.Showing != null) this.Showing(this, e); }
/// <summary> /// Handle a get display info message /// </summary> /// <param name="msg">The msg</param> /// <returns>True if the message has been handled</returns> public virtual bool HandleGetDispInfo(ref Message msg) { //System.Diagnostics.Trace.WriteLine("HandleGetDispInfo"); this.SetMaxWidth(); ToolTipShowingEventArgs args = new ToolTipShowingEventArgs(); args.ToolTipControl = this; this.OnShowing(args); if (String.IsNullOrEmpty(args.Text)) return false; this.ApplyEventFormatting(args); NativeMethods.NMTTDISPINFO dispInfo = (NativeMethods.NMTTDISPINFO)msg.GetLParam(typeof(NativeMethods.NMTTDISPINFO)); dispInfo.lpszText = args.Text; dispInfo.hinst = IntPtr.Zero; if (args.RightToLeft == RightToLeft.Yes) dispInfo.uFlags |= TTF_RTLREADING; Marshal.StructureToPtr(dispInfo, msg.LParam, false); return true; }