在多行文本框中输入光标位置. [英] FInding the cursor position in muliti line textbox.

问题描述

我有一个用于地址的多行文本框和一个具有四个值(房屋编号，镇，区域，街道)的列表框，它们可以用作智能感知，这意味着在多行文本框上按ctrl按钮时，该列表框将像智能感知一样打开C#中的intellisense，问题是当我选择任何值(例如house#)，然后按ctrl按钮时，在house#开头打开的intellisense表示在h处，而不是在#号处.
我的代码是那个

i have a multi line text box for address and a listbox that have four values(house#, town,area,street) that work as intellisense, mean when on multi line textbox i press ctrl button the listbox open as intellisense like intellisense in c#, the problem is that when i select any value e.g house# and then press ctrl button the intellisense open at the start of house# mean at h, not at #.
my code is that

CurrentTagStart = txtDetailAddress.SelectionStart;
Point p = txtDetailAddress.GetPositionFromCharIndex(CurrentTagStart);
p.X = txtDetailAddress.TextLength;
Console.WriteLine((int)txtDetailAddress.Font.GetHeight());
lbIntelli.Location = new Point(txtDetailAddress.Location.X.p.X,   txtDetailAddress.Location.Y);
lbIntelli.Show();
ActiveControl = lbIntelli;

推荐答案

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文本框光标位置 [

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TextBox cursor position[^]

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