ImageGear for C and C++ on Windows v20.0 - Updated
IG_gui_ip_crop_dlg
API Reference Guide > GUI Component API Reference > GUI Component Functions Reference > Image Processing Functions > IG_gui_ip_crop_dlg

This function shows the dialog that allows you to change the dimensions of the image.

Declaration:

 
Copy Code
BOOL ACCUAPI IG_gui_ip_crop_dlg (
        HWND hWnd, 
        LPAT_IGGUI_IP_CROP lpIpCropData
);

Arguments:

Name Type Description
hWnd HWND A handle of the parent window.
lpIpCropData LPAT_IGGUI_IP_CROP A pointer to the AT_IGGUI_IP_CROP structure.

Return Value:

If the user specifies parameters and clicks the OK button, the return value is non-zero. If the user cancels or closes the dialog box or an error occurs, the return value is zero.

Supported Raster Image Formats:

All pixel formats supported by ImageGear for C and C++.

Sample:

Image Processing

Example:

 
Copy Code
#include "IG_gui_common.h"
AT_IGGUI_IP_CROP IpCrop;
IpCrop.cbSize = sizeof (IpCrop);
IpCrop.hWnd = hWnd;
IpCrop.hIGear = hIGear;
IpCrop.uFlags |= IG_IGGUI_IP_SETUP_EMPTY_RECT;
if (IG_gui_ip_crop_dlg (hWnd, &IpCrop))
{
InvalidateRect(hWnd, NULL, FALSE);
        UpdateWindow(hWnd);
}
Is this page helpful?
Yes No
Thanks for your feedback.