| Getting Started > Product Components > C1Query Frame Control |
The C1QueryFrame control is responsible for the user interface portion of C1Query. It displays query conditions and result fields, and allows the end user to enter and edit them. Its ContentsType property determines whether a C1QueryFrame control displays filter conditions (resulting in the WHERE clause of the generated statement) or result fields (resulting in the SELECT part of the generated statement).
A C1QueryFrame control is associated with a C1Query control with the SchemaControl property. You can associate either one or two C1QueryFrame controls to a single C1Query control. If there are two associated controls, one of them must display filter conditions, the other – result fields, according to their ContentsType property. If there is no C1QueryFrame control with result fields, C1Query generates a SELECT * statement, selecting all fields from the tables appearing in the query.
See Developing a User Interface for detailed description.