for example i want to refresh the window containing an enhanced image

how do you do a refresh event using MFC? thanks

i have edited my toolbar icons in my project. i inserted a new image. when i run the program, it is disabled...so i changed the ID to an appropriate name then made function in Mainframe...it became enabled but still doesnt work... how can i insert a command for that icon so that it will be enabled and perform a specific function. thank u..

hello... supposed you have two bitmap images in your form, say bitmap1 and bitmap2... how can you get the difference(image subtraction) of the two images... thank u in advanced....

hello..im currently working on my project. but i can't move on to the next step because i cant load the image. I have a dialog box containing a command button and frame controls. if the button is clicked, it will open the file open box and load the raw image in the frame (IDC_DISPLAY). im using a SDI environment... can u please help me with this one... :)