Unit 'Grids' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#lcl]

GetWorkingCanvas

Ensures that a valid handle for a device context exists for the canvas.

Declaration

Source position: grids.pas line 1969

function GetWorkingCanvas(

  const Canvas: TCanvas

):TCanvas;

Arguments

Canvas

  

Canvas examined in the routine.

Function result

The canvas instance with a valid handle.

Version 4.4 Generated 2025-11-08 Home