/// <summary> /// Collapses the item to hide any child items. /// </summary> public void Collapse() { if (!_expanded) { return; } if (_listView != null) { TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs(null, this); _listView.OnItemCollapsing(e); if (e.Cancel) { return; } } _expanded = false; if (_items != null && _items.Count > 0) { _listView.RecalculateItemPositions(this); } else { _listView.Invalidate(); } if (_listView != null) { _listView.OnItemCollapsed(new TreeListViewEventArgs(null, this)); } }
/// <summary> /// Expands the item to display any child items. /// </summary> public virtual void Expand() // Aulofee customization - start. Made method virtual. Custo end { if (_expanded) { return; } if (_listView != null) { TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs(null, this); _listView.OnItemExpanding(e); if (e.Cancel) { return; } } _expanded = true; if (_items != null && _items.Count > 0) { _listView.RecalculateItemPositions(this); } else { _listView.Invalidate(); } if (_listView != null) { _listView.OnItemExpanded(new TreeListViewEventArgs(null, this)); } }
private void tlvwLocals_ItemExpanding(object sender, TreeListViewCancelEventArgs e) { if (e.Item.Items.Count == 1 && e.Item.Items[0].Text == EmptyTableElementName) { LuaVariable var = e.Item.Tag as LuaVariable; ClientDebugManager.Instance.AddCommand(new UpdateTableDetailsCommand(var.FullNameIn, var.FullNameOut, true, null)); } }
void FSExplorer_BeforeCollapse(object sender, TreeListViewCancelEventArgs e) { if (e.Item.Level > 0) { if (e.Item.ImageKey == "文件夹展开") { e.Item.ImageKey = "文件夹收起"; } } }
private void trlvWorkSheet_BeforeExpand(object sender, TreeListViewCancelEventArgs e) { if (e.Item.ImageIndex == 0) { e.Item.ImageIndex = 1; } if (e.Item.ImageIndex == 2) { e.Item.ImageIndex = 3; } }
private void trlvWorkSheet_BeforeCollapse(object sender, TreeListViewCancelEventArgs e) { if (e.Item.ImageIndex == 1) { e.Item.ImageIndex = 0; } if (e.Item.ImageIndex == 3) { e.Item.ImageIndex = 2; } }
void FSExplorer_BeforeExpand(object sender, TreeListViewCancelEventArgs e) { if (e.Item.Level > 0) { if (e.Item.ImageKey == "文件夹收起") { Shell32.SHFILEINFO shFolderInfo = new Shell32.SHFILEINFO(); Apq.Windows.Forms.IconChache.GetFileSystemIcon(e.Item.FullPath, ref shFolderInfo, true); e.Item.ImageKey = "文件夹展开"; } } }
internal void RaiseBeforeExpand(TreeListViewCancelEventArgs e) { if(BeforeExpand != null) BeforeExpand(this, e); }
internal void RaiseBeforeCollapse(TreeListViewCancelEventArgs e) { if(BeforeCollapse != null) BeforeCollapse(this, e); }
/// <summary> /// Raises the BeforeExpand event. /// </summary> /// <param name="e"></param> protected virtual void OnBeforeExpand(TreeListViewCancelEventArgs e) { if(BeforeExpand != null) BeforeExpand(this, e); }
/// <summary> /// Raises the BeforeCollapse event. /// </summary> /// <param name="e"></param> protected virtual void OnBeforeCollapse(TreeListViewCancelEventArgs e) { if(BeforeCollapse != null) BeforeCollapse(this, e); }
internal void RaiseBeforeExpand(TreeListViewCancelEventArgs e) { OnBeforeExpand(e); }
internal void RaiseBeforeCollapse(TreeListViewCancelEventArgs e) { OnBeforeCollapse(e); }
/// <summary> /// Expand /// </summary> public void Expand() { // The item wasn't expanded -> raise an event if(Visible && !_isexpanded && ListView != null) { TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs( this, TreeListViewAction.Expand); ListView.RaiseBeforeExpand(e); if(e.Cancel) return; } if(this.Visible) { Items.ReadWriteLock.AcquireReaderLock(-1); for(int i = Items.Count - 1 ; i >= 0 ;i--) { TreeListViewItem item = this.Items[i]; if(!item.Visible) { ListView LView = this.ListView; LView.Items.Insert( this.Index + 1, item); item.SetIndentation(); } if(item.IsExpanded) item.Expand(); } Items.ReadWriteLock.ReleaseReaderLock(); } // The item wasn't expanded -> raise an event if(Visible && !_isexpanded && ListView != null) { this._isexpanded = true; TreeListViewEventArgs e = new TreeListViewEventArgs( this, TreeListViewAction.Expand); ListView.RaiseAfterExpand(e); if(AfterExpand != null) AfterExpand(this); } this._isexpanded = true; }
internal void ExpandInternal() { if (IsInATreeListView) { if (ListView.InvokeRequired) { throw (new Exception("Invoke Required")); } } TreeListViewItem selItem = null; if (TreeListView != null) { selItem = TreeListView.FocusedItem; } // Must set ListView.checkDirection to CheckDirection.None. // Forbid recursively checking. CheckDirection oldDirection = CheckDirection.All; if (ListView != null) { oldDirection = ListView._checkDirection; ListView._checkDirection = CheckDirection.None; } // The item wasn't expanded -> raise an event if (Visible && !_isexpanded && ListView != null) { TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs( this, TreeListViewAction.Expand); ListView.RaiseBeforeExpand(e); if (e.Cancel) { return; } } if (Visible) { for (int i = Items.Count - 1; i >= 0; i--) { TreeListViewItem item = this.Items[i]; if (!item.Visible) { ListView LView = this.ListView; LView.Items.Insert( this.Index + 1, item); item.SetIndentation(); } if (item.IsExpanded) { item.Expand(); } } } // The item wasn't expanded -> raise an event if (Visible && !_isexpanded && IsInATreeListView) { this._isexpanded = true; TreeListViewEventArgs e = new TreeListViewEventArgs( this, TreeListViewAction.Expand); ListView.RaiseAfterExpand(e); if (AfterExpand != null) { AfterExpand(this); } } this._isexpanded = true; // Reset ListView.checkDirection if (IsInATreeListView) { ListView._checkDirection = oldDirection; } if (TreeListView != null && selItem != null) { if (selItem.Visible) { selItem.Focused = true; } } }
internal void CollapseInternal() { if(IsInATreeListView) if(ListView.InvokeRequired) throw(new Exception("Invoke Required")); TreeListViewItem selItem = null; if(TreeListView != null) selItem = TreeListView.FocusedItem; // The item was expanded -> raise an event if(Visible && _isexpanded && ListView != null) { TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs( this, TreeListViewAction.Collapse); ListView.RaiseBeforeCollapse(e); if(e.Cancel) return; } // Collapse if(this.Visible) foreach(TreeListViewItem item in Items) item.Hide(); // The item was expanded -> raise an event if(Visible && _isexpanded && IsInATreeListView) { this._isexpanded = false; TreeListViewEventArgs e = new TreeListViewEventArgs( this, TreeListViewAction.Collapse); ListView.RaiseAfterCollapse(e); if(AfterCollapse != null) AfterCollapse(this); } this._isexpanded = false; if(IsInATreeListView && selItem != null) { if(selItem.Visible) selItem.Focused = true; else { ListView listview = (ListView) TreeListView; listview.SelectedItems.Clear(); TreeListViewItem[] items = selItem.ParentsInHierarch; for(int i = items.Length - 1; i >= 0; i--) if(items[i].Visible) { items[i].Focused = true; break; } } } }
internal void ExpandInternal() { if(IsInATreeListView) if (ListView.InvokeRequired) throw(new Exception("Invoke Required")); TreeListViewItem selItem = null; if(TreeListView != null) selItem = TreeListView.FocusedItem; // Must set ListView.checkDirection to CheckDirection.None. // Forbid recursively checking. CheckDirection oldDirection = CheckDirection.All; if(ListView != null) { oldDirection = ListView._checkDirection; ListView._checkDirection = CheckDirection.None; } // The item wasn't expanded -> raise an event if(Visible && !_isexpanded && ListView != null) { TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs( this, TreeListViewAction.Expand); ListView.RaiseBeforeExpand(e); if(e.Cancel) return; } if(Visible) for(int i = Items.Count - 1 ; i >= 0 ;i--) { TreeListViewItem item = this.Items[i]; if(!item.Visible) { ListView LView = this.ListView; LView.Items.Insert( this.Index + 1, item); item.SetIndentation(); } if(item.IsExpanded) item.Expand(); } // The item wasn't expanded -> raise an event if(Visible && !_isexpanded && IsInATreeListView) { this._isexpanded = true; TreeListViewEventArgs e = new TreeListViewEventArgs( this, TreeListViewAction.Expand); ListView.RaiseAfterExpand(e); if (AfterExpand != null) AfterExpand(this); } this._isexpanded = true; // Reset ListView.checkDirection if(IsInATreeListView) ListView._checkDirection = oldDirection; if(TreeListView != null && selItem != null) if(selItem.Visible) selItem.Focused = true; }
internal void CollapseInternal() { if (IsInATreeListView) { if (ListView.InvokeRequired) { throw (new Exception("Invoke Required")); } } TreeListViewItem selItem = null; if (TreeListView != null) { selItem = TreeListView.FocusedItem; } // The item was expanded -> raise an event if (Visible && _isexpanded && ListView != null) { TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs( this, TreeListViewAction.Collapse); ListView.RaiseBeforeCollapse(e); if (e.Cancel) { return; } } // Collapse if (this.Visible) { foreach (TreeListViewItem item in Items) { item.Hide(); } } // The item was expanded -> raise an event if (Visible && _isexpanded && IsInATreeListView) { this._isexpanded = false; TreeListViewEventArgs e = new TreeListViewEventArgs( this, TreeListViewAction.Collapse); ListView.RaiseAfterCollapse(e); if (AfterCollapse != null) { AfterCollapse(this); } } this._isexpanded = false; if (IsInATreeListView && selItem != null) { if (selItem.Visible) { selItem.Focused = true; } else { ListView listview = (ListView)TreeListView; listview.SelectedItems.Clear(); TreeListViewItem[] items = selItem.ParentsInHierarch; for (int i = items.Length - 1; i >= 0; i--) { if (items[i].Visible) { items[i].Focused = true; break; } } } } }
/// <summary> /// Collapse /// </summary> public void Collapse() { // The item was expanded -> raise an event if(Visible && _isexpanded && ListView != null) { TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs( this, TreeListViewAction.Collapse); ListView.RaiseBeforeCollapse(e); if(e.Cancel) return; } // Collapse Items.ReadWriteLock.AcquireReaderLock(-1); if(this.Visible) foreach(TreeListViewItem item in Items) item.Hide(); Items.ReadWriteLock.ReleaseReaderLock(); // The item was expanded -> raise an event if(Visible && _isexpanded && ListView != null) { this._isexpanded = false; TreeListViewEventArgs e = new TreeListViewEventArgs( this, TreeListViewAction.Collapse); ListView.RaiseAfterCollapse(e); if(AfterCollapse != null) AfterCollapse(this); } this._isexpanded = false; }