ImageGear for C and C++ on Windows v19.4 - Updated
IG_gui_img_channels_dlg
API Reference Guide > GUI Component API Reference > GUI Component Functions Reference > General Functions > IG_gui_img_channels_dlg

This GUI function demonstrates how to use alpha channel API.

Declaration:

 
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BOOL ACCUAPI IG_gui_img_channels_dlg(
        HWND hWnd,
        HIGEAR hImage
);

Arguments:

Name Type Description
hWnd HWND A handle of the parent window.
hImage HIGEAR HIGEAR handle of an image.

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:

Filters, GUI Windows

Remarks:

This function allows you to import, create, delete, and manage alpha channels.