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Reference for unit 'Controls' (#lcl)

TControl.DoAutoSize

DoAutoSize - method for actually performing the AutoSize

Declaration

Source position: controls.pp line 1026

protected procedure TControl.DoAutoSize; virtual;

TControl.DoAutoSize

IMPORTANT: Many Delphi controls override this method and many call this method directly after setting some properties.

During handle creation not all interfaces can create complete Device Contexts which are needed to calculate things like text size.

That's why you should always call AdjustSize instead of DoAutoSize.

AutoSize topic		`AutoSize` - boolean property that permits the size of a control to be adjusted automatically
TControl.AdjustSize		`AdjustSize` - Smart way to `DoAutoSize`