• ui_dlg_background_refresh Function
• UI_DLG_BOX Function
• ui_dlg_card_embed Function
• ui_dlg_card_embed_can_close Function
• ui_dlg_card_embed_close Function
• ui_dlg_card_embed_object Function
• ui_dlg_card_embed_on_close Function
• ui_dlg_column_adjust Function
• UI_DLG_COMMIT Function
• UI_DLG_CONTROL_ANCHOR_FROM_POS Function
• ui_dlg_control_commit Function
• ui_dlg_control_embedded_get Function
• UI_DLG_CONTROL_FROM_POS Function
• ui_dlg_control_item_get Function
• ui_dlg_control_item_set Function
• UI_DLG_CREATE Function
• UI_DLG_CTL_COMMAND Function
• UI_DLG_CTL_CURRENT Function
• UI_DLG_CTL_GOTO Function
• ui_dlg_ctl_visible Function
• ui_dlg_dock Function
• ui_dlg_dock_topology Function
• ui_dlg_docked_panel_dock Function
• ui_dlg_docked_panel_undock Function
• ui_dlg_docked_state_end Function
• ui_dlg_docked_state_get Function
• ui_dlg_docked_state_group Function
• ui_dlg_docked_state_position Function
• ui_dlg_docked_state_set Function
• ui_dlg_docked_state_start Function
• ui_dlg_docking_listener_add Function
• ui_dlg_docking_listener_drop Function
• UI_DLG_DRAG_TEXT_GET Function
• UI_DLG_DRAG_TEXT_SET Function
• ui_dlg_editor_active Function
• ui_dlg_editor_get Function
• UI_DLG_EVAL Function
• UI_DLG_EVAL_VALID Function
• UI_DLG_EVENT Function
• ui_dlg_event_occurred Function
• ui_dlg_hdc_render Function
• UI_DLG_HIDE Function
• ui_dlg_hotspot_query Function
• ui_dlg_hotspot_refresh Function
• UI_DLG_IS_ACTIVE Function
• UI_DLG_IS_MAXIMIZED Function
• UI_DLG_IS_MINIMIZED Function
• UI_DLG_MAXIMIZE Function
• UI_DLG_MINIMIZE Function
• UI_DLG_MODAL Function
• UI_DLG_MOVE Function
• UI_DLG_NAVIGATE Function
• ui_dlg_navigation Function
• ui_dlg_object_get Function
• UI_DLG_OPTIONAL_EVENT Function
• UI_DLG_PANEL Function
• ui_dlg_panel_destroy Function
• ui_dlg_panel_name Function
• UI_DLG_PARENT_GET Function
• ui_dlg_query Function
• UI_DLG_REFRESH Function
• UI_DLG_REFRESH_TARGETED Function
• UI_DLG_REMEMBERED_CLEAR Function
• UI_DLG_REMEMBERED_GET Function
• UI_DLG_RESIZE Function
• ui_dlg_return Function
• ui_dlg_session_refresh_expr Function
• ui_dlg_session_refresh_result Function
• UI_DLG_SHOW Function
• ui_dlg_size_to_content Function
• ui_dlg_to_html Function
• ui_dlg_undock Function
• UI_INFO_DLG_DEF_CLIENT_HEIGHT Function
• UI_INFO_DLG_DEF_CLIENT_WIDTH Function
• ui_info_dlg_def_conditions Function
• ui_info_dlg_def_controls_get Function
• UI_INFO_DLG_DEF_EVENTS Function
• UI_INFO_DLG_DEF_HEIGHT Function
• UI_INFO_DLG_DEF_LISTS Function
• ui_info_dlg_def_tooltip_get Function
• UI_INFO_DLG_DEF_VARS Function
• UI_INFO_DLG_DEF_WIDTH Function
• UI_MODELESS_DLG_BOX Function
• UI_MODELESS_DLG_BUTTON Function
• UI_MODELESS_DLG_BUTTON_RESET Function
• UI_MODELESS_DLG_CLOSE Function
• UI_MODELESS_DLG_EXIST Function
• ui_modeless_dlg_hover Function
• UI_MODELESS_DLG_REFRESH Function
• UI_MODELESS_DLG_SETFOCUS Function
• UI_MODELESS_DLG_SIZING Function

UI_DLG_EVAL_VALID Function

Syntax

Arguments

Result_Flag

.T. indicates that the variable exists. .F. indicates that the variable does not exist.

dlg_title

The title of a Xdialog.

expression

An expression that can be interpreted as the name of a variable.

Description

Tests is an expression is valid in the context of a modeless dialog box

Discussion

The UI_DLG_EVAL_VALID() function tests for the existence of a variable defined inside another Xdialog.

Limitations

Desktop applications only.

See Also

• Xdialog Function Reference