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Anyone know how to determine which polygon a user has clicked on screen, without using getPixel. I want to add a function that allows a user to delete Polygons from the screen by clicking on it. I want to do this by only referring to coordinates of Polygon (Polygon is 4 coordinates). Any help...

I created a dialog box with two buttons and various text boxes that I can edit. I have figured out how to draw to the dialog box but it is messy. How can i set the background of the dialog box, would approaching this a different way be better such as using something besides a dialogBox Thanks...

As you can see i dont use the WM_PAINT function because this code is more efficient for drawing to screen for my program. However this button here won't appear on screen. I'm a really novice programmer and i'm trying to tweak another program so i dont know where I am going wrong. hwndMagnify...

Currently I'm trying to create Polygons that are not black which I assume is the default. This is the code I have but I'm obviously I'm missing something to override the default brush for SetPolyFillMode BuildingList::drawPolygon(HDC hdc, COLORREF colour) { HBRUSH hbrush; hbrush =...

I really need help on this, i'm using the InvalidateRect function with a timer to update the screen but its slow redrawing and is causing a flicker effect. Is there any way of improving this function to emulate the below case WM_TIMER: InvalidateRect (hWnd,NULL,FALSE); return 0; case...

Hi, very novice programmer here, When I run this function, it prints out the first messageBox (ie when count == 0 but it doesn't go to the next messageBox, i know that they're are more than 1 entry in the file I'm loading. any ideas, its very similar to code that i got to work with a static...

In OOP, doesn't anyone have any good code on bring data in from a file, separating it out, into a linked list (for example), and then adding, deleting from it and then saving it back out to file. I need to be able to access these functions from a menu in the main part of my program and i'm...