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Bitmap icons used in ArcGIS (ArcObjects .NET 10.8 SDK)
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Bitmap icons used in ArcGIS

About bitmap icons used in ArcGIS

A Zip file containing the icons used in ArcGIS Desktop and ArcGIS Engine is installed with the software development kit (SDK) at <your install location>\ArcGIS\DeveloperKit10.1\Icons. To use, uncompress the file to leverage one or more of the ArcGIS icons in your solution. 
The icons are provided in Portable Network Graphics (PNG) and icon (ICO) file format. PNGs are generally provided in both 16x16 pixel and 32x32 pixel sizes. ICOs contain multiple sizes, up to 256 pixels. 
ArcGIS Desktop and ArcGIS Engine commands and tools use 16x16 pixel PNGs. Data types in ArcCatalog use both 16x16 pixel and 32x32 pixel PNGs. File types, such as map documents (.mxd) and globe documents (.3dd) use the ICOs.
The following are the naming conventions used for the icon files:
  • Noun, then verb if the icon represents an action, such as DocumentOpen16.png.
  • Noun, then adjective if the icon represents a qualified noun, such as ViewDetails16.png.
  • PNG names are suffixed with the following pixel size:
    • 16 is added for icons that are 16x16 pixels.
    • 32 is used for those that are 32x32.
  • If an alternate design is available, suffixes of _B_ or _C_ are added to PNG names.
  • Where an icon is specific to a particular area of ArcGIS, the name includes a prefix of that area.
Some example file names are DocumentCopy16.png, ViewDetails32.png, and CatalogThumbnailCreate_B_16.png.