private bool ParentControl_MessageCaptured(ref Message msg) { if (msg.Msg == (int)WindowsAPI.WndMsg.WM_NOTIFY) { WindowsAPI.NMHDR nmhdr = (WindowsAPI.NMHDR)Marshal.PtrToStructure(msg.LParam, typeof(WindowsAPI.NMHDR)); switch (nmhdr.code) { case -2: /* NM_CLICK */ if (Control.ModifierKeys != Keys.None) { Point pt = Control.MousePosition; WindowsAPI.ScreenToClient(nmhdr.hwndFrom, ref pt); if (HandleClick(pt, Control.ModifierKeys, false)) { fPreventSelChange = true; WindowsAPI.PostMessage(nmhdr.hwndFrom, (int)WindowsAPI.WndMsg.WM_USER, IntPtr.Zero, IntPtr.Zero); return(true); } } break; case -450: /* TVN_SELECTIONCHANGING */ if (fPreventSelChange) { msg.Result = (IntPtr)1; return(true); } break; } } return(false); }
protected override void WndProc(ref Message m) { if (m.Msg == (int)WindowsAPI.WndMsg.WM_CONTEXTMENU) { this.Browser.IsRenameStarted = true; ShellObject[] dirs = this.Browser.SelectedItems.ToArray(); ContextShellMenu cm1 = new ContextShellMenu(this.Browser, this.Browser.SelectedItems.Count > 0 ? ShellViewGetItemObject.Selection : ShellViewGetItemObject.Background); cm1.ShowContextMenu(Cursor.Position);//new System.Drawing.Point(GetCursorPosition().X, GetCursorPosition().Y)); return; } if (m.Msg == (int)WindowsAPI.WndMsg.WM_EXITMENULOOP) { //this.IsRenameStarted = false; } if (m.Msg == 78) { //var r = (WindowsAPI.NMHDR*)(IntPtr)lParam; WindowsAPI.NMHDR nmhdr = new WindowsAPI.NMHDR(); nmhdr = (WindowsAPI.NMHDR)m.GetLParam(nmhdr.GetType()); switch ((int)nmhdr.code) { case WNM.LVN_GETINFOTIP: //TODO: Write here the code for the tooltip flyout break; case WNM.NM_CUSTOMDRAW: if (!this.Browser.NavigationLog.CurrentLocation.IsSearchFolder) { if (nmhdr.hwndFrom == this.SysListviewhandle) { var nmlvcd = WindowsAPI.PtrToStructure <WindowsAPI.NMLVCUSTOMDRAW>(m.LParam); var index = (int)nmlvcd.nmcd.dwItemSpec; var hdc = nmlvcd.nmcd.hdc; Guid IIFV2 = typeof(IShellItem).GUID; IFolderView2 fv2 = this.Browser.GetFolderView2(); IShellItem item = null; try { fv2.GetItem(index, ref IIFV2, out item); } catch (Exception) { } object ext = null; ShellObject itemobj = null; if (item != null) { itemobj = ShellObjectFactory.Create(item); ext = itemobj.Properties.System.FileExtension.Value; } Color?textColor = null; if (this.Browser.LVItemsColorCodes != null && this.Browser.LVItemsColorCodes.Count > 0) { if (ext != null) { var extItemsAvailable = this.Browser.LVItemsColorCodes.Where(c => c.ExtensionList.Contains(ext.ToString())).Count() > 0; if (extItemsAvailable) { var color = this.Browser.LVItemsColorCodes.Where(c => c.ExtensionList.ToLowerInvariant().Contains(ext.ToString().ToLowerInvariant())).Select(c => c.TextColor).SingleOrDefault(); textColor = color; } } } switch (nmlvcd.nmcd.dwDrawStage) { case CDDS_PREPAINT: m.Result = (IntPtr)CDRF_NOTIFYITEMDRAW; break; case CDDS_ITEMPREPAINT: // call default procedure in case system might do custom drawing and set special colors if (textColor != null) { nmlvcd.clrText = ColorTranslator.ToWin32(textColor.Value); Marshal.StructureToPtr(nmlvcd, m.LParam, false); m.Result = (IntPtr)(CDRF_NEWFONT | CDRF_NOTIFYPOSTPAINT | CDRF_NOTIFYSUBITEMDRAW); } else { m.Result = (IntPtr)(CDRF_NOTIFYPOSTPAINT | CDRF_NOTIFYSUBITEMDRAW); } break; case CDDS_ITEMPREPAINT | CDDS_SUBITEM: // before a subitem drawn if ((nmlvcd.nmcd.uItemState & (WindowsAPI.CDIS.HOT | WindowsAPI.CDIS.DROPHILITED)) != 0 || 0 != WindowsAPI.SendMessage(this.SysListviewhandle, WindowsAPI.LVM.GETITEMSTATE, index, (int)WindowsAPI.LVIS.LVIS_SELECTED)) { // hot, drophilited or selected. if (nmlvcd.iSubItem == 0) { // do default to draw hilite bar m.Result = (IntPtr)CDRF_DODEFAULT; } else { // remaining region of a hilted item need to be drawn m.Result = (IntPtr)CDRF_NOTIFYPOSTPAINT; } } else if ((nmlvcd.iSubItem == 0 && nmlvcd.nmcd.uItemState.HasFlag(WindowsAPI.CDIS.FOCUS))) { // if the subitem in selected column, or first item with focus m.Result = (IntPtr)CDRF_NOTIFYPOSTPAINT; } else { if (textColor != null) { nmlvcd.clrText = ColorTranslator.ToWin32(textColor.Value); Marshal.StructureToPtr(nmlvcd, m.LParam, false); m.Result = (IntPtr)CDRF_NEWFONT; } else { m.Result = (IntPtr)CDRF_DODEFAULT; } } break; case CDDS_ITEMPOSTPAINT: //base.WndProc(ref m); if (nmlvcd.clrTextBk != 0) { var iconBounds = new WindowsAPI.RECT(); iconBounds.Left = 1; WindowsAPI.SendMessage(this.SysListviewhandle, WindowsAPI.LVM.GETITEMRECT, index, ref iconBounds); //using (Graphics graphics = Graphics.FromHdc(nmlvcd.nmcd.hdc)) //{ // graphics.Clip = new Region(iconBounds.ToRectangle()); ; // graphics.FillRectangle(Brushes.Black, new Rectangle(iconBounds.left, iconBounds.bottom - 20, 20, 20)); //} if (itemobj.IsShared) { if (this.Browser.ContentOptions.ViewMode == ExplorerBrowserViewMode.Details || this.Browser.ContentOptions.ViewMode == ExplorerBrowserViewMode.List || this.Browser.ContentOptions.ViewMode == ExplorerBrowserViewMode.SmallIcon) { small.DrawOverlay(hdc, 1, new Point(iconBounds.Left, iconBounds.Bottom - 16)); } else { if (this.Browser.ContentOptions.ThumbnailSize > 180) { jumbo.DrawOverlay(hdc, 1, new Point(iconBounds.Left, iconBounds.Bottom - this.Browser.ContentOptions.ThumbnailSize / 3), this.Browser.ContentOptions.ThumbnailSize / 3); } else if (this.Browser.ContentOptions.ThumbnailSize > 64) { extra.DrawOverlay(hdc, 1, new Point(iconBounds.Left + 10, iconBounds.Bottom - 50)); } else { large.DrawOverlay(hdc, 1, new Point(iconBounds.Left + 10, iconBounds.Bottom - 32)); } } } } m.Result = (IntPtr)CDRF_SKIPDEFAULT; break; } if (itemobj != null) { itemobj.Dispose(); } return; } } break; } //base.WndProc(ref m); } //return; // Perform whatever custom processing you must have for this message //System.Diagnostics.Debug.WriteLine(m.ToString()); // forward message to base WndProc base.WndProc(ref m); }