2 writes to handle
System.Windows.Forms (2)
winforms\Managed\System\WinForms\TreeNode.cs (2)
1719handle = UnsafeNativeMethods.SendMessage(new HandleRef(tv, tv.Handle), NativeMethods.TVM_INSERTITEM, 0, ref tvis); 1808handle = IntPtr.Zero;
23 references to handle
System.Windows.Forms (23)
winforms\Managed\System\WinForms\TreeNode.cs (21)
333if (handle == IntPtr.Zero) 342item.hItem = handle; 512if (handle == IntPtr.Zero) { 515return handle; 602if (handle == IntPtr.Zero) { 616if (handle == IntPtr.Zero) return false; 628if (handle == IntPtr.Zero) return false; 909if (handle == IntPtr.Zero) 1202if (handle != IntPtr.Zero) { 1208UnsafeNativeMethods.SendMessage(new HandleRef(tv, tv.Handle), NativeMethods.TVM_EDITLABEL, 0, handle); 1672tvis.hParent = parent.handle; 1678tvis.hInsertAfter = prev.handle; 1720tv.nodeTable[handle] = this; 1728UnsafeNativeMethods.PostMessage(new HandleRef(tv, tv.Handle), NativeMethods.TVM_EDITLABEL, IntPtr.Zero, handle); 1804if (handle != IntPtr.Zero) { 1806UnsafeNativeMethods.SendMessage(new HandleRef(tv, tv.Handle), NativeMethods.TVM_DELETEITEM, 0, handle); 1807treeView.nodeTable.Remove(handle); 1829item.hItem = handle; 1918if (handle == IntPtr.Zero) return; 1924item.hItem = handle; 1941item.lParam = handle;
winforms\Managed\System\WinForms\TreeNodeCollection.cs (2)
322if (node.handle != IntPtr.Zero) 460if (node.handle != IntPtr.Zero)