This function sets the attribute settings of the GUI window.
Declaration:
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AT_ERRCOUNT ACCUAPIIG_GUI_window_attribute_set(
HWND hWnd,
AT_MODE nAttributeID,
DWORD dwData,
LPVOID lpData
);
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Arguments:
| Name | Type | Description |
| hWnd | HWND | Handle of the window in which the image is displayed. |
| nAttributeID | AT_MODE | A variable of type AT_MODE, such as IG_GUI_WINDOW_PAINT. |
| dwData | DWORD | The DWORD value. This used if nAttributeID=IG_GUI_WINDOW_IMAGE_ADD. In this case dwData contains the display group identifier, which should be used for a new image drawing. |
| lpData | LPVOID | A VOID pointer to a variable of the type required by the nAttributeID parameter. This sets the value for the attribute defined by nAttributeID. |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
This function does not process image pixels.
Sample:
GUI Windows
Example:
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HWND hWndImage; AT_ERRCOUNT nErrcount; AT_MODE nAttribute; BOOL bPaintFlag; bPaintFlag = FALSE; /* Disable painting */ /* Set the current attribute settings of the GUI window */ nErrcount = IG_GUI_window_attribute_set(hWndImage, IG_GUI_WINDOW_PAINT, 0, bPaintFlag); /* no ampersand */ nErrcount = IG_GUI_window_attribute_set(hIGear, IG_GUI_WINDOW_IMAGE_ADD, IG_GRP_DEFAULT, (LPVOID)hIGearSubImage); nErrcount = IG_GUI_window_attribute_set(hIGear, IG_GUI_WINDOW_IMAGE_REMOVE, 0, (LPVOID)hIGearSubImage); nErrcount = IG_GUI_window_attribute_set(hIGear, IG_GUI_WINDOW_HANDLE_RESIZE, 0, FALSE); |
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Remarks:
The settings available for nAttributeID include:
| IG_GUI_WINDOW_PAINT | If lpData is set to TRUE, the GUI window is painted. |
| IG_GUI_WINDOW_IMAGE_ADD | Adds a HIGEAR image to a GUI window. See the GUIWin example. Currently, there is one main image and other sub-images can be added to this. If an image is added and there already exists one or more images in the same place, the images will be animated. |
| IG_GUI_WINDOW_IMAGE_REMOVE | Removes a sub-image previously added with IG_GUI_WINDOW_IMAGE_ADD. |
| IG_WINDOW_HANDLE_RESIZE | The default value is TRUE. When it is set to FALSE, it prevents the GUI window from responding to WM_RESIZE messages. |