LPFNIG_GUIPANUPDATE

In This Topic

This function is called after a Pan window is updated.

Declaration:

	Copy Code
typedef VOID (LPACCUAPI LPFNIG_GUIPANUPDATE)( LPVOID lpPrivate, HWND hwndPan, const LPAT_RECT lprcDevice );

Arguments:

Name	Type	Description
lpPrivate	LPVOID	Private data passed.
hwndPan	HWND	Pan window handle.
lprcDevice	const LPAT_RECT	New device rectangle after panned.

Return Value:

None

Supported Raster Image Formats:

This function does not process image pixels.

Sample:

None

Example:

	Copy Code
/* CB function/ VOID MyPanUpdateCB (LPVOID lpPrivate, HWND hwndPan, const LPAT_RECT lprcDevice){ / Do something with the new device rectangle lprcDevice /} ... / register Pan Update CB */ IG_GUI_pan_CB_register (hwndPan, MyPanUpdateCB, NULL);

Copy Code

 /* CB function*/
VOID  MyPanUpdateCB (LPVOID lpPrivate,  HWND hwndPan,   const LPAT_RECT   lprcDevice){
 /* Do something with the new device rectangle lprcDevice */}
...
/* register Pan Update CB */
IG_GUI_pan_CB_register (hwndPan, MyPanUpdateCB, NULL);

Remarks:

This type of callback function is registered by a call to the IG_GUI_pan_CB_register() function.

Get Product Support