Gets the current zoom ratio for a multiline edit control or a rich edit control. The zoom ration is always between 1/64 and 64.
Receives the numerator of the zoom ratio.
Receives the denominator of the zoom ratio.
The message returns TRUE if message is processed, which it will be if both wParam and lParam are not NULL.
Edit: Supported in Windows 10 1809 and later. The edit control needs to have the ES_EX_ZOOMABLE extended style set, for this message to have an effect, see Edit Control Extended Styles. For information about the edit control, see Edit Controls.
|Minimum supported client
||Windows Vista [desktop apps only]
|Minimum supported server
||Windows Server 2003 [desktop apps only]
||Rich Edit 3.0