A suite including a .NET grid, a thread-safe tool for application debugging and a system for storing and representing various log messages. Dapfor .Net Suite includes Dapfor .Net Grid, Dapfor .Net Inspector and Dapfor .Net Logger. Dapfor .Net Grid is a hierarchical data presentation grid that features: single or multiple headers, real-time row grouping, sorting, filtration, cell highlighting, rich custom cell editors and standard editors. Dapfor .Net Grid combines high performance (50,000 cell updates/second), thread-safe implementation, no deadlock risks, XML and binary serialization, data binding and more. Dapfor .Net Grid includes standard editors based on UITypeEditor class, advanced cell editors (created over cells - TrackBar, CheckBar, etc.) and row docking features. Dapfor .Net Inspector is a powerful and thread-safe tool for applications debugging. It can be used to inspect the business logic level of an application in real-time mode and to alter various application parameters. Dapfor .Net Logger is a thread-safe system for the storing and representation of various log messages. Besides text messages, a programmer can associate with data any object that can carry extended information.