TDBEdit.WndProc procedure

Declaration

procedure WndProc(var Message: TLMessage); override

Arguments

Description

WndProc is an overridden method in TDBEdit. It is used to process the specified LCL message for the control. WndProc ensures that the message is applied to the linked dataset when it can be modified, and handles the following LCL messages:

• LM_CLEAR
• LM_CUT
• LM_PASTE

The Edit and Modified methods in the internal TFieldDataLink instance are called, and the DataChange method is called to post changes for the control. No actions are performed on the dataset when it cannot be modified, but the result value in Message is set to 1 to prevent calling the default procedure for the window.

WndProc calls the inherited method prior to exit.

See also

• CanModify
• Edit
• Modified
• OnDataChange
• TLMessage
• LM_CLEAR
• LM_CUT
• LM_PASTE
• TCustomEdit.WndProc