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#12: How can I check a checkbox without triggering of OnClick event?

Sometimes it's necessary to change a state of TCheckBox component, but without operation of OnClick event. This task can be solved so:

{set a checked}
yourCheckBox.Perform(BM_SETCHECK, 1, 0);
{set a unchecked}
yourCheckBox.Perform(BM_SETCHECK, 0, 0);
or else in one procedure
procedure ChangeChecked(ACheckBox: TCheckBox; AState: Boolean);
  ACheckBox.Perform(BM_SETCHECK, Ord(AState), 0);
For example, if you will call the ChangeChecked(myCheckBox, True), then will be myCheckBox.Checked = True.

Published: August 12, 1999

See also
dBase Viewer
Clarion to Text converter
Paradox to Text converter
Clarion Viewer
SMExport suite
SMImport suite
ABA Spreadsheet Convert
ABA Document Convert
Paradox ActiveX
Excel Web-stream

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