ICM_DRAW_QUERY

	Overview

	Group

	Quick Info

The ICM_DRAW_QUERY message queries a rendering driver to determine if it can render data in a specific format. You can send this message explicitly or by using the ICDrawQuery macro.

ICM_DRAW_QUERY

wParam = (DWORD) (LPVOID) lpbiInput;

lParam = 0;

Parameters
lpbiInput

Address of a BITMAPINFO structure containing the input format.

Return Values
Returns ICERR_OK if the driver can render data in the specified format or ICERR_BADFORMAT otherwise.

Remarks
This message differs from the ICM_DRAW_BEGIN message in that it queries the driver in a general sense. ICM_DRAW_BEGIN determines if the driver can draw the data using the specified format under specific conditions, such as stretching the image.

See Also
BITMAPINFO, ICDrawQuery, ICM_DRAW_BEGIN

Software for developers: Delphi Components
.Net Components
Software for Android Developers
More information resources: MegaDetailed.Net
Unix Manual Pages
Delphi Examples