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Code Issues Releases Wiki Activity

Added GetItem and SetItem extension methods to TreeNode

pull/119/head
dahall 2020-02-12 20:06:52 -07:00
parent 54d8478255
commit fa853d3373
1 changed files with 22 additions and 0 deletions
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22
WIndows.Forms/Extensions/TreeViewExtension.cs
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@ -81,6 +81,28 @@ namespace Vanara.Extensions
/// <returns>An <see cref="IEnumerable{T}"/> of all <see cref="TreeNode"/> instances in this <see cref="TreeView"/>.</returns>
public static IEnumerable<TreeNode> EnumerateAllNodes(this TreeView treeView) => AsEnumerable(treeView.Nodes, true);
/// <summary>Sets the <see cref="TVITEM"/> values.</summary>
/// <param name="node">The <see cref="TreeNode"/> instance for which to set details.</param>
/// <param name="tvItem">The <see cref="TVITEMEX"/> instance.</param>
public static bool SetItem(this TreeNode node, ref TVITEMEX tvItem) => SendMessage(node.TreeView.Handle, TreeViewMessage.TVM_SETITEM, default, ref tvItem).ToInt32() != 0;
/// <summary>Gets the node values.</summary>
/// <param name="node">The <see cref="TreeNode"/> instance for which to get details.</param>
/// <param name="mask">The mask of items to get.</param>
/// <param name="stateMask">The mask of states to get.</param>
/// <returns>A <see cref="TVITEMEX"/> structure with the information.</returns>
public static TVITEMEX GetItem(this TreeNode node, TreeViewItemMask mask = (TreeViewItemMask)0x13FF, TreeViewItemStates stateMask = (TreeViewItemStates)0xFFFF)
{
var tvItem = new TVITEMEX
{
hItem = node.Handle,
mask = mask.SetFlags(TreeViewItemMask.TVIF_HANDLE).SetFlags(TreeViewItemMask.TVIF_TEXT, false),
stateMask = stateMask
};
SendMessage(node.TreeView.Handle, TreeViewMessage.TVM_GETITEM, default, ref tvItem);
return tvItem;
}
private static IconSize GetIconSizeFromSize(Size sz)
{
switch (sz.Height)