private void btnAssociate_Click(object sender, EventArgs e)
{
bool associated = new FileAssociation
{
Extension = ".abc",
ProgId = "MyWordSelectionProgramUpdate",
FileTypeDescription = "My Word Selection Program Update"
}.SetAssociation();
}
public static bool SetAssociation(this FileAssociation fileAssociation)
{
bool madeChanges = false;
madeChanges |= SetKeyDefaultValue(@"Software\Classes\" + fileAssociation.Extension, fileAssociation.ProgId);
madeChanges |= SetKeyDefaultValue(@"Software\Classes\" + fileAssociation.ProgId, fileAssociation.FileTypeDescription);
madeChanges |= SetKeyDefaultValue($@"Software\Classes\{fileAssociation.ProgId}\shell\open\command", "\"" + fileAssociation.ExecutableFilePath + "\" \"%1\"");
madeChanges |= SetKeyDefaultValue(@"Software\Classes\" + fileAssociation.ProgId + @"\DefaultIcon", fileAssociation.IconPath);
return(madeChanges);
}