namespace WinFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
Text = this.Width + "x" + this.Height + " pic "+ pictureBox1.Width + "x" + pictureBox1.Height + 启动环境();
}
public static string 启动环境()
{
#if NET461
return (".NET Framework 4.6.1");
#elif NET6_0
return (".NET6");
#endif
}
}
}
app.manifest
, 文件名用默认,修改取消这段的注释,打开感知 DPI
<application xmlns="urn:schemas-microsoft-com:asm.v3">
<windowsSettings>
<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
<longPathAware xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">true</longPathAware>
</windowsSettings>
</application>
TargetFrameworks
改为双目标框架 <TargetFrameworks>net6.0-windows;net461;</TargetFrameworks>
, 保存后提示重载工程 , 最好是关闭 vs 再打开一次.
完整文件如下
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFrameworks>net6.0-windows;net461;</TargetFrameworks>
<UseWindowsForms>true</UseWindowsForms>
<ApplicationManifest>app.manifest</ApplicationManifest>
<ApplicationVisualStyles>true</ApplicationVisualStyles>
<ApplicationUseCompatibleTextRendering>false</ApplicationUseCompatibleTextRendering>
<ApplicationHighDpiMode>SystemAware</ApplicationHighDpiMode>
</PropertyGroup>
<ItemGroup>
<Compile Update="Properties\Resources.Designer.cs">
<DesignTime>True</DesignTime>
<AutoGen>True</AutoGen>
<DependentUpon>Resources.resx</DependentUpon>
</Compile>
</ItemGroup>
<ItemGroup>
<EmbeddedResource Update="Properties\Resources.resx">
<Generator>ResXFileCodeGenerator</Generator>
<LastGenOutput>Resources.Designer.cs</LastGenOutput>
</EmbeddedResource>
</ItemGroup>
</Project>
using System;
using System.Windows.Forms;
Program.cs
注释掉 ApplicationConfiguration.Initialize();
运行选择 net461
备注:我的屏幕是 2800 x 1800 ,缩放 175%
果然, 显示尺寸不对
public Form1()
{
AutoScaleMode = AutoScaleMode.Dpi; //添加这句,要在'InitializeComponent();'上方
InitializeComponent();
}
再次运行
完美!
完美!双倍的快乐!
app.manifest
, 打开感知 DPITargetFrameworks
改为双目标框架 <TargetFrameworks>net6.0-windows;net461;</TargetFrameworks>
Program.cs
注释掉 ApplicationConfiguration.Initialize();
AutoScaleMode = AutoScaleMode.Dpi;
//添加这句,要在'InitializeComponent();'上方老工程也可以通过编辑 projet 文件升级到这种新工程格式,支持本文说的功能, 需要继续出教程的请在评论区留言, 这几天都在度假中, 今天就写到这里了. 下回见!
配套 DEMO