Edit_SetZoom macro (commctrl.h)

Sets the current zoom ratio of an edit control (the zoom ratio is always between 1/64 and 64). You can use this macro or send the EM_SETZOOM message explicitly.

Syntax

void Edit_SetZoom(
         HWND hwndCtl,
  [out]  LONG numerator,
  [out]  LONG denominator
);

Parameters

hwndCtl

A handle to the edit control.

[out] numerator

The numerator of the ratio as a fraction.

[out] denominator

The denominator of the ratio as a fraction.

Return value

None

Requirements

Requirement	Value
Minimum supported client	Windows 10, version 1809 [desktop apps only]
Minimum supported server	Windows Server [desktop apps only]
Target Platform	Windows
Header	commctrl.h