当我使用Visual Studio (Community 2019)和设计器工具创建Windows窗体应用程序时,控件似乎没有正确的大小和位置。例如,将尺寸为(100,22)的TextBox定位在(100,80)处实际上并未定位在期望的位置。此外,大小的x维实际上是75而不是100。如果我以编程方式使用相同的值(只是在y位置上移动)实例化一个类似的TextBox,它被放置在更右侧,并且与另一个相比它的大小更大,但这次使用正确的值。
请看附件中的图片。
我已经创建了一个小的测试应用程序来演示这一点。
Program.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsTest
{
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
}
Form1.Designer.cs
namespace WindowsFormsTest
{
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(100, 80);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(100, 22);
this.textBox1.TabIndex = 0;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(12, 9);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(46, 17);
this.label1.TabIndex = 1;
this.label1.Text = "label1";
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(800, 450);
this.Controls.Add(this.label1);
this.Controls.Add(this.textBox1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label1;
}
}
Form1.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsTest
{
public partial class Form1 : Form
{
private TextBox textBox2;
public Form1()
{
InitializeComponent();
TestBox();
this.MouseMove += new MouseEventHandler(MouseMoved);
}
private void TestBox()
{
textBox2 = new TextBox() {
Location = new System.Drawing.Point(100, 104),
Name = "textBox2",
Size = new System.Drawing.Size(100, 22),
TabIndex = 1
};
this.Controls.Add(textBox2);
}
private void MouseMoved(object sender, MouseEventArgs evt)
{
label1.Text = "X = " + evt.X.ToString() + ", Y = " + evt.Y.ToString();
}
}
}
这里我漏掉了什么?如何通过设计器实现控件具有所需的大小和位置(如第二个TextBox),反之亦然?
提前感谢您的帮助!
发布于 2020-08-12 19:29:05
几个月前我就遇到过这样的问题。它是你的显示器(或者从技术上讲,你是在显示分辨率和缩放)。我猜你的DPI监控器很高。您可以看到在VS中有一个关于缩放的小通知- VS窗口窗体设计器似乎不能很好地处理缩放。
我修复了这个问题,首先丢弃了我对表单所做的任何更改,然后关闭VS。然后将我的显示器分辨率改回标准高清(因为没有缩放的情况下,我的4k显示器会让东西变得太小--你可以试一下标准的100%缩放),然后打开我的VS,做我的更改,一切都很好。
这里的答案https://stackoverflow.com/a/12406133/6915929似乎描述了一种在表单上设置内容以处理DPI更改的方法,但我自己还没有尝试过。
https://stackoverflow.com/questions/63375256
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