using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Drawing;

namespace?SnippingTool
{
????public?static?class?ImageHelper
????{
????????public?static?Image?resize（this?Image?img?int?heigth?int?width?bool?keepAspectRatio?=?false?bool?getCenter?=?false）
????????{
????????????int?newheigth?=?heigth;
???????????
????????????//?Prevent?using?images?internal?thumbnail
????????????img.RotateFlip（RotateFlipType.Rotate180FlipNone）;
????????????img.RotateFlip（RotateFlipType.Rotate180FlipNone）;

????????????if?（keepAspectRatio?||?getCenter）
????????????{
????????????????int?bmpY?=?0;
????????????????double?resize?=?（double）img.Width?/?（double）width;//get?the?resize?vector
????????????????if?（getCenter）
????????????????{
????????????????????bmpY?=?（int）（（img.Height?-?（heigth?*?resize））?/?2）;//?gives?the?Y?value?of?the?part?that?will?be?cut?off?to?show?only?the?part?in?the?center
????????????????????Rectangle?section?=?new?Rectangle（new?Point（0?bmpY）?new?Size（img.Width?（int）（heigth?*?resize）））;//?create?the?section?to?cut?of?the?original?image
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????//System.Console.WriteLine（“the?section?that?will?be?cut?off:?“?+?section.Size.ToString（）?+?“?the?Y?value?is?minimized?by:?“?+?bmpY）;
????????????????????Bitmap?orImg?=?new?Bitmap（（Bitmap）img）;//for?the?correct?effect?convert?image?to?bitmap.
????????????????????img.Dispose（）;//clear?the?original?image
????????????????????using?（Bitmap?tempImg?=?new?Bitmap（section.Width?section.Height））
????????????????????{
????????????????????????Graphics?cutImg?=?Graphics.FromImage（tempImg）;//??????????????set?the?file?to?save?the?new?image?to.
????????????????????????cutImg.DrawImage（orImg?0?0?section?GraphicsUnit.Pixel）;//?cut?the?image?and?save?it?to?tempImg
????????????????????????img?=?tempImg;//save?the?tempImg?as?img?for?resizing?later
????????????????????????orImg.Dispose（）;
????????????????????????cutImg.Dispose（）;
????????????????????????return?img.GetThumbnailImage（width?heigth?null?IntPtr.Zero）;
????????????????????}
????????????????}
????????????????else?newheigth?=?（int）（img.Height?/?resize）;//??set?the?new?heigth?of?the?current?image
????????????}//return?the?image?resized?to?the?given?heigth?and?width

????????????return?img.GetThumbnailImage（width?newheigth?null?IntPtr.Zero）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2508??2020-09-05?09:38??SnippingTool\ImageHelper.cs

?????文件???????1399??2020-09-05?09:45??SnippingTool\INIHelper.cs

?????文件???????4851??2020-09-05?11:08??SnippingTool\MainForm.cs

?????文件???????9989??2020-09-05?10:56??SnippingTool\MainForm.Designer.cs

?????文件?????145397??2020-09-05?10:56??SnippingTool\MainForm.resx

?????文件????????208??2020-09-05?08:01??SnippingTool\obj\Debug\.NETframeworkVersion=v4.0.AssemblyAttributes.cs

?????文件???????1119??2020-09-05?08:08??SnippingTool\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7018??2020-09-05?09:34??SnippingTool\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件?????????42??2020-09-05?10:00??SnippingTool\obj\Debug\SnippingTool.csproj.CoreCompileInputs.cache

?????文件???????1373??2020-09-05?10:00??SnippingTool\obj\Debug\SnippingTool.csproj.FileListAbsolute.txt

?????文件???????1139??2020-09-05?10:51??SnippingTool\obj\Debug\SnippingTool.csproj.GenerateResource.cache

?????文件?????183296??2020-09-05?10:52??SnippingTool\obj\Debug\SnippingTool.exe

?????文件??????93196??2020-09-05?10:51??SnippingTool\obj\Debug\SnippingTool.MainForm.resources

?????文件????????180??2020-09-05?10:31??SnippingTool\obj\Debug\SnippingTool.OptionForm.resources

?????文件??????56832??2020-09-05?10:52??SnippingTool\obj\Debug\SnippingTool.pdb

?????文件????????180??2020-09-05?10:00??SnippingTool\obj\Debug\SnippingTool.Properties.Resources.resources

?????文件????????180??2020-09-05?10:00??SnippingTool\obj\Debug\SnippingTool.SnipForm.resources

?????文件???????3584??2020-09-05?08:19??SnippingTool\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

?????文件????????208??2021-01-14?15:05??SnippingTool\obj\Release\.NETframeworkVersion=v4.0.AssemblyAttributes.cs

?????文件???????6865??2020-09-05?09:44??SnippingTool\obj\Release\DesignTimeResolveAssemblyReferencesInput.cache

?????文件?????????42??2020-09-05?11:08??SnippingTool\obj\Release\SnippingTool.csproj.CoreCompileInputs.cache

?????文件???????1674??2021-01-14?15:05??SnippingTool\obj\Release\SnippingTool.csproj.FileListAbsolute.txt

?????文件???????1139??2020-09-05?11:08??SnippingTool\obj\Release\SnippingTool.csproj.GenerateResource.cache

?????文件????????424??2021-01-14?15:05??SnippingTool\obj\Release\SnippingTool.csprojAssemblyReference.cache

?????文件?????182272??2021-01-14?15:05??SnippingTool\obj\Release\SnippingTool.exe

?????文件??????93193??2021-01-14?15:05??SnippingTool\obj\Release\SnippingTool.MainForm.resources

?????文件????????180??2021-01-14?15:05??SnippingTool\obj\Release\SnippingTool.OptionForm.resources

?????文件??????58880??2021-01-14?15:05??SnippingTool\obj\Release\SnippingTool.pdb

?????文件????????180??2021-01-14?15:05??SnippingTool\obj\Release\SnippingTool.Properties.Resources.resources

?????文件????????180??2021-01-14?15:05??SnippingTool\obj\Release\SnippingTool.SnipForm.resources

............此處省略27個文件信息