winform DataGridView controls redrawn source, flattered by the need to redraw the appearance or function of the original appearance of the controls you can refer to the following

Gradientcolumnheader_src.zip
MainDataGridView
................\bin
................\...\Debug
................\...\.....\MainDataGridView.exe
................\...\.....\MainDataGridView.pdb
................\...\.....\MainDataGridView.vshost.exe
................\...\Release
................\...\.......\MainDataGridView.exe
................\...\.......\MainDataGridView.pdb
................\Form1.cs
................\Form1.Designer.cs
................\Form1.resx
................\Form2.cs
................\Form2.Designer.cs
................\Form2.resx
................\MainDataGridView.csproj
................\MainDataGridView.sln
................\MainDataGridView.suo
................\obj
................\...\Debug
................\...\.....\MainDataGridView.csproj.FileListAbsolute.txt
................\...\.....\MainDataGridView.csproj.GenerateResource.Cache
................\...\.....\MainDataGridView.exe
................\...\.....\MainDataGridView.Form1.resources
................\...\.....\MainDataGridView.Form2.resources
................\...\.....\MainDataGridView.pdb
................\...\.....\MainDataGridView.Properties.Resources.resources
................\...\.....\Refactor
................\...\.....\TempPE
................\...\.....\......\Properties.Resources.Designer.cs.dll
................\...\Release
................\...\.......\MainDataGridView.csproj.FileListAbsolute.txt
................\...\.......\MainDataGridView.csproj.GenerateResource.Cache
................\...\.......\MainDataGridView.exe
................\...\.......\MainDataGridView.Form2.resources
................\...\.......\MainDataGridView.pdb
................\...\.......\MainDataGridView.Properties.Resources.resources
................\...\.......\TempPE
................\...\.......\......\Properties.Resources.Designer.cs.dll
................\Program.cs
................\Properties
................\..........\AssemblyInfo.cs
................\..........\Resources.Designer.cs
................\..........\Resources.resx
................\..........\Settings.Designer.cs
................\..........\Settings.settings
................\Resources
................\.........\DGHeadercell.png
................\.........\Header.png

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