PatchworkLauncher.LaunchManager.Command_Dialog_AddPatch C# (CSharp) Method

		public void Command_Dialog_AddPatch(IWin32Window owner) {
			var result = _openModDialog.ShowDialog(owner);
			if (result == DialogResult.Cancel) {
				return;
			}
			var fileName = _openModDialog.FileName;
			var fileNameOnly = Path.GetFileName(fileName);
			var collision =
				Instructions.SingleOrDefault(instr => Path.GetFileName(instr.PatchLocation).EqualsIgnoreCase(fileNameOnly));

			if (collision != null) {
				Command_Display_Error("Load a patch", fileNameOnly, message: "You already have a patch with this filename.");
				return;
			}
			try {
				Command_Direct_AddPatch(fileName, true);
			}
			catch (Exception ex) {
				Command_Display_Error("Load a patch", PathHelper.GetUserFriendlyPath(fileName), ex, "");
			}
		}