using?System;
using?System.Windows.Forms;

namespace?App
{
????public?partial?class?DigitalKeyboardForm?:?Form
????{
????????///?

????????///?輸入數(shù)據(jù)最大值
????????///?

????????public?int?ExMaxValue?{?set;?get;?}?=?1000;

????????///?

????????///?輸入數(shù)據(jù)最小值
????????///?

????????public?int?ExMinValue?{?set;?get;?}?=?0;

????????///?

????????///?當前值
????????///?

????????public?int?ExNowValue?{?set;?get;?}?=?0;

????????///?

????????///?返回值
????????///?

????????public?bool?ExResault?{?get;?private?set;?}?=?false;

????????public?DigitalKeyboardForm（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?DigitalKeyboardForm_Load（object?sender?EventArgs?e）
????????{
????????????this.KeyPreview?=?true;
????????????this.KeyDown?+=?form_KeyDown;

????????????//顯示當前值
????????????textBoxValue.Text?=?ExNowValue.ToString（）;
????????????labelMaxMin.Text?=?string.Format（“最小值:?{0}???最大值:?{1}“?ExMinValue?ExMaxValue）;
????????}

????????private?void?form_KeyDown（object?sender?KeyEventArgs?e）
????????{
????????????if?（e.KeyData?==?Keys.Escape）
????????????{
????????????????ExResault?=?false;
????????????????this.Close（）;
????????????}
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（1）;
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（2）;
????????}

????????private?void?button3_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（3）;
????????}

????????private?void?button4_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（4）;
????????}

????????private?void?button5_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（5）;
????????}

????????private?void?button6_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（6）;
????????}

????????private?void?button7_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（7）;
????????}

????????private?void?button8_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（8）;
????????}

????????private?void?button9_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（9）;
????????}

????????private?void?button0_Click（object?sender?EventArgs?e）
????????{
????????????SetNumber（0）;
????????}

????????private?void?buttonBack_Click（object?sender?EventArgs?e）
????????{
????????????if?（ExNowValue?==?0）
????????????{
????????????????ExNowValue?=?0;
????????????}
????????????else
????????????{
????????????????ExNowValue?=?ExNowValue?/?10;
????????????}
????????????textBoxValue.Text?=?ExNowValue.ToString（）;
????????}

????????private?void?buttonOK_Click（object?sender?EventArgs?e）
????????{
????????????if?（ExNowValue?????????????{
????????????????MessageBox.Show（string.Format（“輸入值不能小于{0}“?ExMinValue））;
????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1107??2021-12-28?18:02??App\App.sln
?????目錄???????????0??2021-12-28?18:02??App\App\
?????文件????????3753??2021-12-28?18:02??App\App\App.csproj
?????目錄???????????0??2021-12-28?18:02??App\App\bin\
?????目錄???????????0??2021-12-28?18:02??App\App\bin\Debug\
?????文件???????16384??2021-12-28?18:02??App\App\bin\Debug\App.exe
?????文件???????42496??2021-12-28?18:02??App\App\bin\Debug\App_20190727_201941.pdb
?????目錄???????????0??2021-12-28?18:02??App\App\bin\Release\
?????文件????????3770??2021-12-28?18:02??App\App\DigitalKeyboardForm.cs
?????文件???????15491??2021-12-28?18:02??App\App\DigitalKeyboardForm.designer.cs
?????文件????????5817??2021-12-28?18:02??App\App\DigitalKeyboardForm.resx
?????目錄???????????0??2021-12-28?18:02??App\App\obj\
?????目錄???????????0??2021-12-28?18:02??App\App\obj\Debug\
?????文件??????????42??2021-12-28?18:02??App\App\obj\Debug\App.csproj.CoreCompileInputs.cache
?????文件?????????887??2021-12-28?18:02??App\App\obj\Debug\App.csproj.FileListAbsolute.txt
?????文件?????????922??2021-12-28?18:02??App\App\obj\Debug\App.csproj.GenerateResource.cache
?????文件????????9084??2021-12-28?18:02??App\App\obj\Debug\App.csprojAssemblyReference.cache
?????文件?????????180??2021-12-28?18:02??App\App\obj\Debug\App.DigitalKeyboardForm.resources
?????文件???????16384??2021-12-28?18:02??App\App\obj\Debug\App.exe
?????文件???????42496??2021-12-28?18:02??App\App\obj\Debug\App.pdb
?????文件?????????180??2021-12-28?18:02??App\App\obj\Debug\App.Properties.Resources.resources
?????文件?????????180??2021-12-28?18:02??App\App\obj\Debug\App.TestForm.resources
?????文件?????????753??2021-12-28?18:02??App\App\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6900??2021-12-28?18:02??App\App\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2021-12-28?18:02??App\App\obj\Debug\TempPE\
?????文件?????????487??2021-12-28?18:02??App\App\Program.cs
?????目錄???????????0??2021-12-28?18:02??App\App\Properties\
?????文件????????1304??2021-12-28?18:02??App\App\Properties\AssemblyInfo.cs
?????文件????????2819??2021-12-28?18:02??App\App\Properties\Resources.Designer.cs
?????文件????????5612??2021-12-28?18:02??App\App\Properties\Resources.resx
?????文件????????1090??2021-12-28?18:02??App\App\Properties\Settings.Designer.cs
............此處省略5個文件信息