CheckBoxes 為真

代碼如下

using System.Runtime.InteropServices;

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#region 樹的復選框隱藏private const int TVIF_STATE = 0x8;private const int TVIS_STATEIMAGEMASK = 0xF000;private const int TV_FIRST = 0x1100;private const int TVM_SETITEM = TV_FIRST + 63;[StructLayout(LayoutKind.Sequential, Pack = 8, CharSet = CharSet.Auto)]private struct TVITEM{public int mask;public IntPtr hItem;public int state;public int stateMask;[MarshalAs(UnmanagedType.LPTStr)]public string lpszText;public int cchTextMax;public int iImage;public int iSelectedImage;public int cChildren;public IntPtr lParam;}[DllImport("user32.dll", CharSet = CharSet.Auto)]private static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam,ref TVITEM lParam);/// <summary>/// Hides the checkbox for the specified node on a TreeView control./// 隱藏樹的復選框/// <remarks>/// HideCheckBox(treeView1, node);/// </remarks>/// </summary>private void HideCheckBox(TreeView tvw, TreeNode node){TVITEM tvi = new TVITEM();tvi.hItem = node.Handle;tvi.mask = TVIF_STATE;tvi.stateMask = TVIS_STATEIMAGEMASK;tvi.state = 0;SendMessage(tvw.Handle, TVM_SETITEM, IntPtr.Zero, ref tvi);}#endregion

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使用方法

HideCheckBox(PerTreeView, rootTNode);

HideCheckBox(樹對象, 節點對象);

節點對象前的復選框則隱藏了

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轉載于:https://www.cnblogs.com/DoNetCShap/archive/2012/06/26/2563119.html

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